IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0920725
(2004-08-18)
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등록번호 |
US-7517480
(2009-07-01)
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발명자
/ 주소 |
- Sabin, Douglas
- Swenson, Paul
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출원인 / 주소 |
|
대리인 / 주소 |
Lowrie, Lando & Anastasi, LLP.
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인용정보 |
피인용 횟수 :
11 인용 특허 :
7 |
초록
▼
A control system for use with a multi-layer molding device having an inspection device for measuring a characteristic of a product of a cavity of the molding device and a controller adapted to receive information corresponding to the at least one characteristic from the inspection device and to alte
A control system for use with a multi-layer molding device having an inspection device for measuring a characteristic of a product of a cavity of the molding device and a controller adapted to receive information corresponding to the at least one characteristic from the inspection device and to alter the molding device based on the information.
대표청구항
▼
What is claimed is: 1. A method of operating a molding device having at least one cavity, comprising: measuring at least one characteristic of a first molded product from a first injection of material into a first cavity of the at least one cavity; measuring at least one characteristic of a second
What is claimed is: 1. A method of operating a molding device having at least one cavity, comprising: measuring at least one characteristic of a first molded product from a first injection of material into a first cavity of the at least one cavity; measuring at least one characteristic of a second molded product from a second injection of material into the first cavity; calculating a parameter based on the at least one characteristic of the first molded product and the at least one characteristic of the second molded product; modifying, based at least in part on the parameter, the molding device; and after modifying the molding device, producing a third molded product, whereby the third molded product is different than it would have been before modifying. 2. The method of claim 1, wherein the third molded product is produced by the first cavity. 3. The method of claim 1, wherein modifying the molding device comprises controlling a temperature of a hot half constituting a portion of said at least one cavity. 4. The method of claim 3, wherein modifying the molding device comprises controlling a temperature of a nozzle constituting a portion of the hot half. 5. The method of claim 4, wherein the hot half comprises at least one block which is thermally coupled to the nozzle, and wherein modifying the molding device comprises controlling a temperature of the at least one block. 6. The method of claim 1, wherein modifying the molding device comprises controlling an injection apparatus constituting a portion of said molding apparatus. 7. The method of claim 6, wherein the injection apparatus includes an injection screw and wherein modifying the molding device includes controlling the injection screw. 8. The method of claim 6, wherein modifying the molding device includes controlling at least one of a temperature of the injection apparatus, controlling timing of injection of a material into the at least one cavity, controlling a rate at which the material is injected into the at least one cavity and controlling a pressure at which the material is injected into the at least one cavity. 9. The method of claim 1, wherein the first molded product comprises a first multi-layer molded product, and wherein measuring at least one characteristic of the first multi-layer molded product comprises measuring a characteristic of a core layer of the first multi-layer molded product. 10. The method of claim 9, wherein the first molded product comprises a first multi-layer molded product, and wherein measuring at least one characteristic of the first multi-layer molded product includes one of determining a location of the core layer, and determining a presence of the core layer. 11. The method of claim 1, further comprising measuring at least one characteristic of the second molded product using an inspection device. 12. The method of claim 1, further comprising physically altering the first molded product after it has been determined to be outside of a specification. 13. The method of claim 1, further comprising physically moving the first molded product after it has been determined to be outside of a specification. 14. The method of claim 1, wherein the parameter is an average of said at least one characteristic of the first molded product and said at least one characteristic of the second molded product. 15. The method of claim 1, further comprising processing the at least one characteristic of the first molded product using an affect matrix to produce an output, wherein modifying the molding device is based at least in part on the output. 16. The method of claim 1, further comprising indicating to an operator that based on the at least one characteristic a selected action is to be taken by the operator. 17. The method of claim 1, wherein at least one of the first, second, and third molded products comprises a multilayered molded product, and wherein the second injection of material into the first cavity is subsequent to the first injection of material into the first cavity. 18. A control system for use with a molding device having at least one cavity, comprising: an inspection device adapted to measure at least one characteristic of a first molded product from a first injection of material into a first cavity of the at least one cavity; the inspection device adapted to measure at least one characteristic of a second molded product from a second injection of material into the first cavity; and a controller configured and arranged to calculate a parameter based on the at least one characteristic of the first molded product and the at least one characteristic of the second molded product, and to modify the molding device based at least in part on the parameter, whereby at least one characteristic of a third molded product produced after modification is different than it would have been before the modification. 19. The control system of claim 18, wherein the third molded product is from a third injection of material into the first cavity. 20. The control system of claim 18, wherein the controller is adapted to be coupled to a hot half of the at least one cavity and to control a temperature of the hot half, whereby the at least one characteristic of the third molded product is altered. 21. The control system of claim 20, wherein the hot half comprises at least a first nozzle, and wherein the controller is adapted to control a temperature of the first nozzle. 22. The control system of claim 20, wherein the hot half comprises at least one block which is thermally coupled to a plurality of nozzles, and wherein the controller is adapted to control a temperature of the at least one block. 23. The control system of claim 20, further comprising a temperature controller coupled intermediate to the controller and the hot half to control the temperature of the hot half. 24. The control system of claim 18, wherein the molding device includes an injection apparatus adapted to inject the material into the at least one cavity and wherein the controller is adapted to be coupled to the injection apparatus. 25. The control system of claim 24, wherein the injection apparatus includes an injection screw and wherein the controller is adapted to control the injection screw. 26. The control system of claim 24, wherein the controller is adapted to control at least one of a temperature of the injection apparatus, timing of injection of the material, rate at which the material is injected and pressure at which the material is injected. 27. The control system of claim 18, wherein the control system is adapted for use with a thermally-balanced molding device. 28. The control system of claim 18, wherein the control system is adapted for use with a shooting pot-based molding device. 29. The control system of claim 18, wherein the characteristic of the first molded product includes a characteristic of a core layer. 30. The control system of claim 29, wherein the characteristic of the core layer is one of a location of the core layer, and presence of the core layer. 31. The control system of claim 18, wherein the inspection device is one of an optical device, an ultrasound device and a magnetic resonance imaging device. 32. The control system of claim 18, further comprising a rejection device coupled to the controller device, and the controller is adapted to activate the rejection device if the first molded product is determined to be outside of a specification or a selected level of uncertainty. 33. The control system of claim 32, wherein the rejection device is adapted to physically alter the first molded product if the first molded product is determined to be outside of the specification. 34. The control system of claim 32, wherein the rejection device is adapted to physically move the first molded product if the first molded product is determined to be outside of the specification. 35. The control system of claim 18, wherein the parameter corresponds to at least one characteristic of a plurality of multi-layer molded products, the first molded product constituting one of said plurality. 36. The control system of claim 18, wherein the controller is configured and arranged to control the at least one characteristic of the third molded product in response to an affect matrix applied to the parameter. 37. The control system of claim 18, wherein the controller is configured to indicate to an operator that, based on the information, a selected action is to be taken by the operator. 38. The control system of claim 21, further comprising a second cavity operatively coupled to a second nozzle, wherein the controller is configured to shut down the second cavity and to modify the temperature of the first cavity in response to said shut down. 39. The control system of claim 18, wherein the inspection device comprises a first inspection device adapted to measure at least one characteristic of the first molded product and a second inspection device adapted to measure at least one characteristic of the second molded product. 40. The control system of claim 24, wherein the first, second, and third molded products are formed from subsequent injections of the material into the first cavity. 41. The control system of claim 24, wherein the first and second molded products are formed from subsequent injections of the material into the first cavity, and wherein at least one intervening molded product is formed in the first cavity between formation of the second and third molded products. 42. The control system of claim 24, wherein at least one intervening molded product is formed in the first cavity between formation of each of the first, second, and third molded products. 43. A control system for use with a molding device having a plurality of cavities, comprising: an inspection device adapted to measure a characteristic of a first molded product from a first injection of material into one of the plurality of cavities; the inspection device adapted to measure a characteristic of a second molded product from a second injection of material into one of the plurality of cavities; and a controller configured and arranged to calculate a parameter based on the characteristic of the first molded product and the characteristic of the second molded product, and to modify the molding device based at least in part on the parameter, whereby a characteristic of a third molded product produced after modification from a third injection of material into one of the plurality of cavities is different than it would have been before the modification. 44. The control system of claim 43, wherein the first and second molded products are formed from different cavities of the plurality of cavities. 45. The control system of claim 43, wherein the third injection is subsequent to the second injection, and wherein the second injection is subsequent to the first injection. 46. The control system of claim 45, comprising: one or more intervening injections of material into one of the plurality of cavities between at least one of the first, second, and third injections.
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