IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0713211
(2003-11-17)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
25 |
초록
▼
A nozzle (e.g., a flat nozzle, an asymmetric nozzle, a micro nozzle, a flat micro nozzle, etc.) is configured to make injection molded components. The nozzle includes a nozzle body, a heater associated with the nozzle body, a melt channel running through the nozzle body configured to allow melt mat
A nozzle (e.g., a flat nozzle, an asymmetric nozzle, a micro nozzle, a flat micro nozzle, etc.) is configured to make injection molded components. The nozzle includes a nozzle body, a heater associated with the nozzle body, a melt channel running through the nozzle body configured to allow melt material flow, and a thermally conductive device located inside the nozzle body. The thermally conductive device can be configured to produce an even heat profile along an entire length of the melt channel. The nozzle body can be symmetrical or asymmetrical and can be made of a different, less thermally conductive material, than the thermally conductive device. The thermally conductive device can be used to balance a heating profile of the nozzle to produce consistency in melt material viscosity and speed throughout a micro nozzle channel.
대표청구항
▼
What is claimed is: 1. A nozzle configured to make injection molded components, comprising: a nozzle body; a melt channel running through the nozzle body configured to allow melt material flow; p1 a heater positioned within the nozzle body and adjacent one side of the melt channel; and a thermally
What is claimed is: 1. A nozzle configured to make injection molded components, comprising: a nozzle body; a melt channel running through the nozzle body configured to allow melt material flow; p1 a heater positioned within the nozzle body and adjacent one side of the melt channel; and a thermally conductive device located inside the nozzle body, the thermally conductive device being configured to produce an even heat profile along an entire length of the melt channel. 2. The nozzle of claim 1, wherein the heater is integral with the thermally conductive device. 3. The nozzle of claim 1, further comprising a thermocouple. 4. The nozzle of claim 3, wherein the thermocouple is integral with the thermally conductive device. 5. The nozzle of claim 3, further comprising: a control device configured to receive a signal from the thermocouple, wherein the heater is configured to be controlled via the control device based on the received signal from the thermocouple. 6. The nozzle of claim 3, wherein the thermally conductive device is located proximate one or more of the thermocouple and the heater. 7. The nozzle of claim 1, further comprising a plurality of melt channels. 8. The nozzle of claim 1, further comprising a plurality of heaters. 9. The nozzle of claim 1, further comprising a plurality of thermocouples. 10. The nozzle of claim 1, further comprising a plurality of thermally conductive devices. 11. The nozzle of claim 1, wherein the nozzle is a micro nozzle. 12. The nozzle of claim 1, wherein the nozzle is a flat micro nozzle. 13. The nozzle of claim 1, wherein the nozzle is thermal-gated. 14. The nozzle of claim 1, wherein the nozzle is valve gated. 15. The nozzle of claim 14, wherein a valve pin is inserted into a valve channel spaced from the melt channel. 16. The nozzle of claim 1, wherein the nozzle is edge gated. 17. The nozzle of claim 1, wherein the nozzle body is manufactured from at least one of tool steel, and an alloy comprised of carbon, nickel, cobalt, chromium, molybdenum and iron. 18. The nozzle of claim 1, wherein the thermally conductive device is manufactured from at least one of copper, brass, beryllium, and aluminum. 19. The nozzle of claim 1, wherein the heater is at least one of a film heater, a coil heater, and a cartridge heater. 20. The nozzle of claim 1, wherein the nozzle body is asymmetrical with respect to a longitudinal axis of the nozzle channel. 21. The nozzle of claim 1, further comprising removable nozzle tip. 22. The nozzle of claim 1, further comprising a nozzle seal portion. 23. A nozzle configured to produce injection molded components, comprising: a nozzle body; a melt channel located inside the nozzle body; a heater located inside the nozzle body adjacent only one side of the melt channel, said heater having an uneven heat profile with respect to the melt channel; and a thermally conductive device located between the heater and the melt channel that produces an even heat profile along the melt channel. 24. The nozzle of claim 23, wherein the nozzle body comprises an asymmetrical nozzle body. 25. The nozzle of claim 23, wherein the nozzle comprises a flat nozzle. 26. An injection nozzle comprising: a nozzle body made from a first material; a melt channel located inside the nozzle body; a heater located inside the nozzle body and positioned entirely on one side of the melt channel; and a thermally conductive device located between the heater and the melt channel, the thermally conductive device being made of a second material which is more thermally conductive than the first material. 27. The nozzle of claim 26, wherein the nozzle body is asymmetrical. 28. The nozzle of claim 26, wherein the thermally conductive device is located along one side of the melt channel. 29. The nozzle of claim 26, wherein the nozzle comprises a flat nozzle. 30. The nozzle of claim 23, further comprising at least one heater located within the nozzle body adjacent a second side of the melt channel. 31. The nozzle of claim 23, wherein the nozzle body is made from a first material and the thermally conductive device is made of a second material that is more thermally conductive than the first material. 32. The nozzle of claim 31, wherein the second material of the thermally conductive device is comprised of at least one of copper, brass, beryllium, and aluminum. 33. The nozzle of claim 26, further comprising at least one heater located within the nozzle body adjacent a second side of the melt channel. 34. The nozzle of claim 26, wherein the second material of the thermally conductive device is comprised of at least one of copper, brass, beryllium, and aluminum.
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