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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0844909 (2010-07-28) |
등록번호 | US-8529820 (2013-09-10) |
발명자 / 주소 |
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 7 |
Methods and apparatus adjustably control the repositioning of non-homogeneous fluid conditions across the stream of a laminar flowing fluid to a desirable circumferential position. The invention is particularly applicable to controlling non-homogeneous melt conditions at about the intersection of tw
Methods and apparatus adjustably control the repositioning of non-homogeneous fluid conditions across the stream of a laminar flowing fluid to a desirable circumferential position. The invention is particularly applicable to controlling non-homogeneous melt conditions at about the intersection of two flow channels in systems having hot or cold flow channels. Various mechanisms are provided that enable simple adjustments of a flow diverter within a fluid rotation device, making either static or dynamic adjustments, so that the degree of fluid flow repositioning in a runner system can be changed without the need for mold disassembly or retooling. Various forms of actuators effect adjustment and may be manually manipulated or manipulated through various powered devices.
1. A mold including an adjustable flow diverter device for controlling non-homogeneous melt conditions which occur in a direction across the flow path of laminates of a stream of laminar flowing material, comprising: a mold body having at least one mold cavity and at least one runner having a flow p
1. A mold including an adjustable flow diverter device for controlling non-homogeneous melt conditions which occur in a direction across the flow path of laminates of a stream of laminar flowing material, comprising: a mold body having at least one mold cavity and at least one runner having a flow path through which the stream of laminar flowing material flows to fill the at least one mold cavity;an additional runner branching from the one runner at an intersection, the additional runner having a flow path to receive the laminar flowing material from the one runner;an adjustable flow diverter device, including an elevation change at about the intersection of the one runner and the additional runner and outside the flow paths of the one runner and the additional runner, and the adjustable flow diverter device having an in situ adjustable flow geometry that can interrupt the flow of the stream of laminar flowing material and can cause substantially the entire stream of laminar flowing material to flow over the in situ adjustable flow geometry, the in situ adjustable flow geometry being adjustable to cause some or substantially the entire stream of laminar flowing material to flow into the elevation change, to reposition the non-homogeneous conditions of the laminar flowing material in a circumferential direction to a position having a desired asymmetrical or symmetrical melt condition relative to the additional runner. 2. The mold according to claim 1, wherein the adjustable flow diverter device includes a first half and a second half that collectively define portions of the one runner and have a predefined flow geometry and an adjustable flow diverting element which is extendible into and retractable from the one runner to adjust the in situ adjustable flow geometry of the stream of laminar flowing material to control the repositioning of the non-homogeneous conditions of the laminar flowing material. 3. The mold according to claim 2, wherein the adjustable flow diverting element is a pin that is incrementally extendible into and retractable from at least a portion of the one runner by an actuator mechanism to adjust flow geometry. 4. The mold according to claim 2, wherein the adjustable flow diverting element includes a rotatable element that is incrementally rotatable by an actuator to adjust flow geometry. 5. The mold according to claim 1 wherein the adjustable flow diverting device includes a pin that is incrementally extendible into and retractable from at least a portion of the one runner by the replacement of the pin with a pin of a different size. 6. The mold according to claim 1, wherein the mold is a cold runner mold. 7. The mold according to claim 1, wherein the mold is a cold runner mold and the adjustable flow diverter device is provided in-line within a straight section of the one runner. 8. The mold according to claim 1, wherein the mold is a cold runner mold and the adjustable flow diverter device is provided near the branching intersection of the one runner and the additional runner. 9. The mold according to claim 1, wherein the mold is a hot runner mold. 10. The mold according to claim 1, wherein the mold is a hot runner mold and the adjustable flow diverter device is provided at at least one manifold, hot nozzle, hot drop or valve gate. 11. The mold according to claim 1 in which the adjustable flow diverter device includes a pin located at least partially within the one runner and having a width within the one runner that is about the width of the one runner, the pin being mounted so that its height can be retracted or extended to cause some or substantially the entire stream of laminar flowing material to flow through the elevation change to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 12. The mold according to claim 11 in which the pin can be replaced with a differently configured pin to adjust the flow geometry of the adjustable flow diverter device. 13. The mold according to claim 1 in which the adjustable flow diverter device includes a pin located substantially within the one runner and having a width within the one runner that is about the width of the one runner and the in situ adjustable flow geometry of the adjustable flow diverter device is adjustable by the movement of the pin or replacement of the pin so as to reposition the non-homogeneous conditions of the laminar flowing material to the desired position. 14. The mold according to claim 1 in which the adjustable flow diverter device includes a pin located at least partially within the one runner and the in situ adjustable flow geometry of the adjustable flow diverter device is adjustable by the movement of the pin or replacement of the pin so as to reposition the non-homogeneous conditions of the laminar flowing material to the desired position, and the pin is installed at a position that causes it to be substantially perpendicular to the direction of flow of the stream of laminar flowing material. 15. The mold according to claim 1 that comprises a hot flow path mold in which the adjustable flow diverter device includes a pin, and the in situ adjustable flow geometry of the adjustable flow diverter device can be modified by linear or rotational movement of the pin so as to reposition the non-homogeneous conditions of the laminar flowing material to the desired position. 16. The mold according to claim 1 that includes a rotatable component having a structure that adjusts the in situ adjustable flow geometry of the adjustable flow diverter device as the rotatable component is rotated. 17. The mold according to claim 1 wherein the adjustable flow diverter device includes a rotatable notched disk that can be rotated to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 18. The mold according to claim 1 wherein the adjustable flow diverter device is included in an insert for the mold. 19. The mold according to claim 1 wherein the adjustable flow diverter device includes a controller actuator that provides a closed loop automatic adjustment of the in situ adjustable flow geometry of the diverter device or a controller actuator that allows for an open loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device. 20. The mold according to claim 1 in which the adjustable flow diverter device includes a manually operable actuator to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 21. The mold according to claim 1 in which the adjustable flow diverter device includes a machine driven actuator to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 22. The mold according to claim 1 in which the adjustable flow diverter device includes an actuator comprising a pneumatic, hydraulic, mechanical or electrical mechanism to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 23. The mold according to claim 1 in which the adjustable flow diverter includes an actuator that adjusts the in situ adjustable flow geometry over time to change the repositioning of the non-homogeneous conditions while material is flowing. 24. The mold according to claim 1 that includes one or more pressure transducers or thermocouples located at various positions along the flow path to sense fluid pressure or temperature variations, respectively, along the flow path so as to enable the adjustable flow diverter device to adjust the in situ adjustable flow geometry over time to change the fluid flow repositioning while material is flowing. 25. The mold according to claim 1 wherein the adjustable flow diverter device includes a controller actuator that provides a closed loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device or a controller that allows for an open loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device, either controller actuator being operable in response to one or more pressure or mold process timing or temperature signals to adjust the flow front of the stream of laminar flowing material. 26. A method of adjustably controlling the positioning of non-homogeneous melt conditions across a stream of a laminar flowing fluid to a desirable circumferential position in a process tool having at least one product forming area and at least one flow channel having a flow path for the stream of laminate flowing material, comprising: providing an additional flow channel branching from the one flow channel at an intersection to receive the laminar flowing material from the one flow channel;providing an adjustable flow diverter device, including an elevation change at about the intersection of the one flow channel and the additional flow channel and outside the flow paths of the one flow channel and the additional flow channel, and the adjustable flow diverter device having an in situ adjustable flow geometry that can interrupt the flow of the stream of laminar flowing material and can cause substantially the entire stream of laminar flowing material to flow over the in situ adjustable flow geometry, the in situ adjustable flow geometry being adjustable to cause some or substantially the entire stream of laminar flowing material to flow into the elevation change, to reposition the non-homogeneous conditions of the laminar flowing material in a circumferential direction to a position having a desired asymmetrical or symmetrical melt condition relative to the additional flow channel;adjusting the in situ adjustable flow geometry of the adjustable flow diverter device of the process tool by relative movement or replacement of a portion of the adjustable flow diverter device; andflowing a stream of laminar flowing material having non-homogeneous melt conditions in the one flow channel and through the flow diverter device to reposition the non-homogeneous melt condition to a desired position relative a downstream branch or the at least one product forming area as the stream of laminar flowing material flows through the elevation change. 27. The method according to claim 26, wherein the adjusting is achieved by adjusting the orientation of one portion of the adjustable flow diverter device relative to at least one other portion of the adjustable flow diverter device to alter the in situ adjustable flow geometry within the adjustable flow diverter device. 28. The method according to claim 26, wherein the adjusting is achieved by adjustment of an extendible and retractable pin by an actuator mechanism. 29. The method according to claim 26, wherein the adjusting is achieved by rotation of at least one component of the adjustable flow diverter device. 30. The method according to claim 26, wherein the adjusting is achieved by replacement in situ of an adjustable flow diverter device insert with an adjustable flow diverter device insert having a different geometry or a different orientation to achieve the desired melt position. 31. The method according to claim 26, wherein the adjustable flow diverter device is provided at an in-line location in a straight section of the one flow channel. 32. The method according to claim 26, wherein the adjustable flow diverter device is provided at an in-line location in a straight section of the one flow channel and splits the stream of laminar flowing material into two separate streams and recombines the streams to achieve the desired melt position. 33. The method according to claim 26, wherein the adjustable flow diverter device is provided at an in-line location in a straight section of the one flow channel and splits the stream of laminar flowing material into two separate streams and recombines the streams to achieve the desired melt position, and the adjustable flow diverter device can be adjusted to allow at least some of the stream of laminar flowing material to pass through the adjustable flow diverter without being split. 34. The method according to claim 26, wherein the adjustable flow diverter device is provided near the branching intersection of the one runner and the additional runner. 35. The method according to claim 26 wherein the adjustable flow diverter device includes a pin, and the in situ adjustable flow geometry of the adjustable flow diverter device is adjusted by linear or rotational movement of the pin or replacement of the pin so as to reposition the non-homogenous melt conditions. 36. The method according to claim 26 wherein the adjustable flow diverter device includes a pin that is mounted so that its height can be extended or retracted with respect to the at least one flow path to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 37. The method according to claim 26 wherein the adjustable flow diverter device includes a rotatable notched disk and rotating the notched disk to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 38. The method according to claim 26 wherein the adjustable flow diverter device includes a controller actuator that provides a closed loop automatic adjustment of the in situ adjustable flow geometry of the diverter device or a controller actuator that allows for an open loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device. 39. The method according to claim 26 in which the adjustable flow diverter device includes a manually operable actuator to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 40. The method according to claim 26 in which the adjustable flow diverter device includes a machine driven actuator to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 41. The method according to claim 26 in which the adjustable flow diverter device includes an actuator comprising a pneumatic, hydraulic, mechanical or electrical mechanism to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 42. The method according to claim 26 in which the adjustable flow diverter includes an actuator that can adjust the in situ adjustable flow geometry over time to change the repositioning of the non-homogeneous conditions while material is flowing. 43. The method according to claim 26 that includes one or more pressure transducers or thermocouples located at various positions along the flow path to sense fluid pressure or temperature variations, respectively, along the flow path so as to enable the adjustable flow diverter device to adjust the in situ adjustable flow geometry over time to change the fluid flow repositioning while material is flowing. 44. The method according to claim 26 wherein the adjustable flow diverter device includes a controller actuator that provides a closed loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device or a controller that allows for an open loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device, either controller actuator being operable in response to one or more pressure or mold process timing or temperature signals to adjust the flow front of the stream of laminar flowing material. 45. The method according to claim 26 wherein the tool is a hot runner mold. 46. The method according to claim 26 wherein the tool is a hot runner mold and the adjustable flow diverter is located in at least one manifold, hot nozzle, hot drop or valve gate. 47. The method according to claim 26 in which the adjustable flow diverter device includes a pin located at least partially within the one flow channel and having a width that is about the width of the one flow channel, the pin being mounted so that its height can be retracted or extended to cause some or substantially the entire stream of laminar flowing material to flow through the elevation change to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 48. The method according to claim 26 in which the adjustable flow diverter device includes a pin located at least partially within the one flow channel and having a width that is about the width of the one flow channel, the pin being replaceable with a differently configured pin to adjust the flow geometry of the flow diverter device. 49. The method according to claim 26 in which the adjustable flow diverter device includes a pin located substantially within the one flow channel and having a width within the one flow channel that is about the width of the one flow channel, and the in situ adjustable flow geometry of the adjustable flow diverter device is adjustable by the movement of the pin so as to reposition the non-homogeneous conditions to the desired position. 50. The method according to claim 26 in which the adjustable flow diverter device includes a pin located at least partially within the one flow channel and the in situ adjustable flow geometry of the adjustable flow diverter device is adjustable by the movement of the pin or replacement of the pin so as to reposition the non-homogeneous conditions to the desired position, and the pin is installed at a position that causes it to be substantially perpendicular to the direction of flow of the stream of laminar flowing material. 51. A tool including an adjustable flow diverter device for controlling non-homogeneous conditions which occur in a direction across a flow path of laminates of a stream of laminar flowing material, comprising: the tool having at least one flow channel having a flow path through which a stream of laminar flowing material flows;an additional flow channel branching from the one flow channel at an intersection to receive the laminar flowing material from the one flow channel;an adjustable flow diverter device, including an elevation change at the intersection of the one flow channel and the additional flow channel and outside the flow paths of the one flow channel and the additional flow channel, and the adjustable flow diverter device having an in situ adjustable flow geometry that can interrupt the flow of the stream of laminar flowing material and can cause substantially the entire stream of laminar flowing material to flow over the in situ adjustable flow geometry, the in situ adjustable flow geometry being adjustable to cause some or substantially the entire stream of laminar flowing material to flow into the elevation change, to reposition the non-homogeneous conditions of the laminar flowing material in a circumferential direction to a position having a desired asymmetrical or symmetrical melt condition relative to the additional flow channel. 52. The tool according to claim 51, wherein the orientation of one portion of the adjustable flow diverter device can be adjusted relative to at least one other portion of the flow diverter device to alter the in situ adjustable flow geometry within the adjustable flow diverter device. 53. The tool according to claim 51, wherein the in situ adjustable flow geometry includes an extendible and retractable pin which can be adjusted by an actuator mechanism. 54. The tool according to claim 51, wherein the in situ adjustable flow geometry is adjustable by rotation of at least one component of the adjustable flow diverter device. 55. The tool according to claim 51, wherein the in situ adjustable flow geometry is adjustable by replacement of an adjustable flow diverter device insert with an adjustable flow diverter device insert having a different geometry or a different orientation to achieve the desired melt position. 56. The tool according to claim 51, wherein the adjustable flow diverter device is located at an in-line location in a straight section of the one flow channel. 57. The tool according to claim 51, wherein the adjustable flow diverter device is located at an in-line location in a straight section of the one flow channel and splits the stream of laminar flowing material into two separate streams and recombines the streams to achieve the desired melt position. 58. The tool according to claim 51, wherein the adjustable flow diverter device is located at an in-line location in a straight section of the one flow channel and splits the stream of laminar flowing material into two separate streams and recombines the streams to achieve the desired melt position, and the adjustable flow diverter device can be adjusted to allow at least some of the stream of laminar flowing material to pass through the adjustable flow diverter without being split. 59. The tool according to claim 51, wherein the adjustable flow diverter device is located near the branching intersection of the one runner and the additional runner. 60. The tool according to claim 51 wherein the adjustable flow diverter device includes a pin, and the in situ adjustable flow geometry of the adjustable flow diverter device is adjustable by linear or rotational movement of the pin or replacement of the pin so as to reposition the non-homogenous melt conditions. 61. The tool according to claim 51 wherein the adjustable flow diverter device includes a pin that is mounted so that its height can be extended or retracted with respect to the at least one flow path to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 62. The tool according to claim 51 wherein the adjustable flow diverter device includes a rotatable notched disk and the notched disk can be rotated to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 63. The tool according to claim 51 wherein the adjustable flow diverter device includes a controller actuator that provides a closed loop automatic adjustment of the in situ adjustable flow geometry of the diverter device or a controller actuator that allows for an open loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device. 64. The tool according to claim 51 in which the adjustable flow diverter device includes a manually operable actuator to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 65. The tool according to claim 51 in which the adjustable flow diverter device includes a machine driven actuator to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 66. The tool according to claim 51 in which the adjustable flow diverter device includes an actuator comprising a pneumatic, hydraulic, mechanical or electrical mechanism to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 67. The tool according to claim 51 in which the adjustable flow diverter includes an actuator that can adjust the in situ adjustable flow geometry over time to change the repositioning of the non-homogeneous conditions while material is flowing. 68. The tool according to claim 51 that includes one or more pressure transducers or thermocouples located at various positions along the flow path to sense fluid pressure or temperature variations, respectively, along the flow path so as to enable the adjustable flow diverter device to adjust the in situ adjustable flow geometry over time to change the fluid flow repositioning while material is flowing. 69. The tool according to claim 51 wherein the adjustable flow diverter device includes a controller actuator that provides a closed loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device or a controller that allows for an open loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device, either controller actuator being operable in response to one or more pressure or mold process timing or temperature signals to adjust the flow front of the stream of laminar flowing material. 70. The tool according to claim 51 wherein the tool is a hot runner mold. 71. The tool according to claim 51 wherein the tool is a hot runner mold and the adjustable flow diverter is located in at least one manifold, hot nozzle, hot drop or valve gate. 72. The tool according to claim 51 in which the adjustable flow diverter device includes a pin located at least partially within the one flow channel and having a width that is about the width of the one flow channel, the pin being mounted so that its height can be retracted or extended to cause some or substantially the entire stream of laminar flowing material to flow through the elevation change to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 73. The tool according to claim 51 in which the adjustable flow diverter device includes a pin located at least partially within the one flow channel and having a width that is about the width of the one flow channel, the pin being replaceable with a differently configured pin to adjust the flow geometry of the adjustable flow diverter device. 74. The tool according to claim 51 in which the adjustable flow diverter device includes a pin located substantially within the one flow channel and having a width within the one flow channel that is about the width of the one flow channel, and the in situ adjustable flow geometry of the adjustable flow diverter device is adjustable by the movement of the pin so as to reposition the non-homogeneous conditions to the desired position. 75. The tool according to claim 51 in which the adjustable flow diverter device includes a pin located at least partially within the one flow channel and the in situ adjustable flow geometry of the adjustable flow diverter device is adjustable by the movement of the pin or replacement of the pin so as to reposition the non-homogeneous conditions to the desired position, and the pin is installed at a position that causes it to be substantially perpendicular to the direction of flow of the stream of laminar flowing material. 76. The tool according to claim 51 that comprises a hot flow path mold in which the adjustable flow diverter device includes a pin and the in situ adjustable flow geometry of the adjustable flow diverter device can be modified by linear or rotational movement of the pin so as to reposition the non-homogeneous conditions to the desired position. 77. The tool according to claim 51 that includes a rotatable component having a structure that adjusts the in situ adjustable flow geometry of the adjustable flow diverter device as the rotatable component is rotated. 78. The tool according to claim 51 wherein the adjustable flow diverter device includes a rotatable notched disk that can be rotated to adjust the in situ adjustable flow geometry of the diverter device. 79. The tool according to claim 51 in which the adjustable flow diverter device includes a pin that is incrementally extendable and retractable into at least a portion of the one flow channel by an actuator to adjust the in situ adjustable flow geometry. 80. The tool according to claim 51 in which the in situ adjustable flow geometry of the adjustable flow diverter device extends substantially perpendicularly into the one flow channel. 81. The tool according to claim 51 in which the adjustable flow diverter device includes a pin having a first end that extends into at least a portion of the one flow channel and having a configuration that can cause substantially the entire stream of laminar flowing material to flow over the first end, the pin being incrementally extendible into at least a portion of the one flow channel. 82. An insert for a tool having at least one flow channel having a flow path through which a stream of laminar flowing material flows and an additional flow channel branching from the at least one flow channel at an intersection with another flow channel to receive the laminar flowing material from the one flow channel, the insert comprising: an adjustable flow diverter device, including an elevation change at about the intersection of the one flow channel and the additional flow channel and outside the flow paths of the one flow channel and the additional flow channel, and the adjustable flow diverter device having an in situ adjustable flow geometry that can interrupt the flow of the stream of laminar flowing material and can cause substantially the entire stream of laminar flowing material to flow over the in situ adjustable flow geometry, the in situ adjustable flow geometry being adjustable to cause some or substantially the entire stream of laminar flowing material to flow into the elevation change, to reposition the non-homogeneous conditions of the laminar flowing material in a circumferential direction to a position having a desired asymmetrical or symmetrical melt condition relative to the additional flow channel. 83. The insert for a tool according to claim 82, wherein the orientation of one portion of the adjustable flow diverter device can be adjusted relative to at least one other portion of the flow diverter device to alter the in situ adjustable flow geometry within the adjustable flow diverter device. 84. The insert for a tool according to claim 82, wherein the in situ adjustable flow geometry includes an extendible and retractable pin which can be adjusted by an actuator mechanism. 85. The insert for a tool according to claim 82, wherein the in situ adjustable flow geometry is adjustable by rotation of at least one component of the adjustable flow diverter device. 86. The insert for a tool according to claim 82, wherein the in situ adjustable flow geometry is adjustable by replacement of an adjustable flow diverter device insert with an adjustable flow diverter device insert having a different geometry or a different orientation to achieve the desired melt position. 87. The insert for a tool according to claim 82, wherein the adjustable flow diverter device is located at an in-line location in a straight section of the one flow channel. 88. The insert for a tool according to claim 82, wherein the adjustable flow diverter device is located at an in-line location in a straight section of the one flow channel and splits the stream of laminar flowing material into two separate streams and recombines the streams to achieve the desired melt position. 89. The insert for a tool according to claim 82, wherein the adjustable flow diverter device is located at an in-line location in a straight section of the one flow channel and splits the stream of laminar flowing material into two separate streams and recombines the streams to achieve the desired melt position, and the adjustable flow diverter device can be adjusted to allow at least some of the stream of laminar flowing material to pass through the adjustable flow diverter without being split. 90. The insert for a tool according to claim 82, wherein the adjustable flow diverter device is located near the branching intersection of the one runner and the additional runner. 91. The insert for a tool according to claim 82 wherein the adjustable flow diverter device includes a pin, and the in situ adjustable flow geometry of the adjustable flow diverter device is adjusted by linear or rotational movement of the pin or replacement of the pin so as to reposition the non-homogenous melt conditions. 92. The insert for a tool according to claim 82 wherein the adjustable flow diverter device includes a pin that is mounted so that its height can be extended or retracted with respect to the at least one flow path to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 93. The insert for a tool according to claim 82 wherein the adjustable flow diverter device includes a rotatable notched disk and the notched disk can be rotated to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 94. The insert for a tool according to claim 82 wherein the adjustable flow diverter device includes a controller actuator that provides a closed loop automatic adjustment of the in situ adjustable flow geometry of the diverter device or a controller actuator that allows for an open loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device. 95. The insert for a tool according to claim 82 in which the adjustable flow diverter device includes a manually operable actuator to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 96. The insert for a tool according to claim 82 in which the adjustable flow diverter device includes a machine driven actuator to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 97. The insert for a tool according to claim 82 in which the adjustable flow diverter device includes an actuator comprising a pneumatic, hydraulic, mechanical or electrical mechanism to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 98. The insert for a tool according to claim 82 in which the adjustable flow diverter includes an actuator that can adjust the in situ adjustable flow geometry over time to change the repositioning of the non-homogeneous conditions while material is flowing. 99. The insert for a tool according to claim 82 that includes one or more pressure transducers or thermocouples located at various positions along the flow path to sense fluid pressure or temperature variations, respectively, along the flow path so as to enable the adjustable flow diverter device to adjust the in situ adjustable flow geometry over time to change the fluid flow repositioning while material is flowing. 100. The insert for a tool according to claim 82 wherein the adjustable flow diverter device includes a controller actuator that provides a closed loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device or a controller that allows for an open loop adjustment of the in situ adjustable flow geometry of the adjustable flow diverter device, either controller actuator being operable in response to one or more pressure or mold process timing or temperature signals to adjust the flow front of the stream of laminar flowing material. 101. The insert for a tool according to claim 82 wherein the tool is a hot runner mold. 102. The insert for a tool according to claim 82 wherein the tool is a hot runner mold and the adjustable flow diverter is located in at least one manifold, hot nozzle, hot drop or valve gate. 103. The insert for a tool according to claim 82 in which the adjustable flow diverter device includes a pin located at least partially within the one flow channel and having a width within the one flow channel that is about the width of the one flow channel, the pin being mounted so that its height can be retracted or extended to cause some or substantially the entire stream of laminar flowing material to flow through the elevation change to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 104. The insert for a tool according to claim 82 in which the adjustable flow diverter device includes a pin located at least partially within the one flow channel and having a width that is about the width of the one flow channel, the pin being replaceable with a differently configured pin to adjust the in situ adjustable flow geometry of the adjustable flow diverter device. 105. The insert for a tool according to claim 82 in which the adjustable flow diverter device includes a pin located substantially within the one flow channel and having a width that is about the width of the one flow channel and the in situ adjustable flow geometry of the adjustable flow diverter device is adjustable by the movement of the pin so as to reposition the non-homogeneous conditions to the desired position. 106. The insert for a tool according to claim 82 in which the adjustable flow diverter device includes a pin located at least partially within the one flow channel and the in situ adjustable flow geometry of the adjustable flow diverter device is adjustable by the movement of the pin or replacement of the pin so as to reposition the non-homogeneous conditions to the desired position, and the pin is installed at a position that causes it to be substantially perpendicular to the direction of flow of the stream of laminar flowing material. 107. The insert for a tool according to claim 82 that comprises a hot flow path mold in which the adjustable flow diverter device includes a pin and the in situ adjustable flow geometry of the adjustable flow diverter device can be modified by linear or rotational movement of the pin so as to reposition the non-homogeneous conditions to the desired position. 108. The insert for a tool according to claim 82 that includes a rotatable component having a structure that adjusts the in situ adjustable flow geometry of the adjustable flow diverter device as the rotatable component is rotated. 109. The insert for a tool according to claim 82 wherein the adjustable flow diverter device includes a rotatable notched disk that can be rotated to adjust the in situ adjustable flow geometry of the diverter device.
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