[특허]Method and apparatus for mold temperature control using air

CITO Products, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Method and apparatus for mold temperature control using air

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-033/02
미국특허분류(USC)	425/552; 425/547; 425/143; 425/144; 425/170; 264/040.6; 264/328.16; 249/079
출원번호	US-0632066 (2003-07-31)
발명자 / 주소	Wieder,Horst K.
출원인 / 주소	CITO Products, Inc.
대리인 / 주소	Foley & Lardner LLP
인용정보	피인용 횟수 : 6 인용 특허 : 19

초록

A method and apparatus for controlling the temperature of an injection mold passes pressurized air contained in an air supply tube through an orifice into an exhaust channel, wherein the pressure of the air in the exhaust channel is lower than the pressure of the air in the air supply tube. As the pressurized air is released through the orifice, cooling is produced that can be applied to a portion of an injection mold where cooling is desired, in order to control the temperature of that portion of the injection mold.

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What is claimed is: 1. An apparatus comprising: (a) an injection mold having one or more portions; (b) a gas supply tube containing a gas at a first pressure; (c) an orifice member having an orifice thereon in thermal communication with at least one portion of the injection mold, wherein the orifice member is operably coupled to receive the gas from the gas supply tube, and wherein the orifice member is adapted to release the gas from the gas supply tube through the orifice; (d) a gas exhaust channel containing the gas at a second pressure, wherein the gas exhaust channel is operably coupled to receive the gas from the orifice member, and wherein the second pressure is lower than the first pressure; and (e) a gas supply system operably coupled to supply the gas at the first pressure to the gas supply tube, and wherein the gas supply system includes at least one gas cooler adapted to cool the supply of gas at the first pressure; whereby at least one portion of the mold is cooled. 2. The apparatus of claim 1 wherein the gas includes air. 3. The apparatus of claim 1 wherein at least a portion of the gas supply tube is cylindrical. 4. The apparatus of claim 1 wherein at least a portion of the gas exhaust channel is cylindrical. 5. The apparatus of claim 1 wherein at least a portion of the gas supply tube is surrounded by the exhaust channel. 6. The apparatus of claim 1 wherein at least a portion of the gas supply tube is surrounded by an insulating jacket. 7. The apparatus of claim 1 wherein the gas exhaust channel includes a bore portion having a closed distal end located within the injection mold, wherein the gas supply tube includes a pipe portion with an end having at least one orifice member, and wherein at least a portion of the end of the pipe portion of the gas supply tube is positioned in thermal contact with the closed distal end of the bore portion of the gas exhaust channel. 8. The apparatus of claim 1 wherein the gas exhaust channel includes a bore portion having a closed distal end located within the injection mold, wherein the gas supply tube includes a pipe portion with an end having at least one orifice member, and wherein at least a portion of the end of the pipe portion of the gas supply tube is positioned adjacent to the closed distal end of the bore portion of the exhaust channel. 9. The apparatus of claim 1 wherein the gas exhaust channel includes a bore portion, wherein the gas supply tube includes a bore portion, and wherein the orifice member has a first side operably coupled to the bore portion of the gas supply tube and a second side operably coupled to the bore portion of the gas exhaust channel. 10. The apparatus of claim 1 further comprising a gas supply system operably coupled to supply the gas at the first pressure to the gas supply tube, and wherein the gas supply system includes at least one gas compressor. 11. The apparatus of claim 1 further comprising a gas supply system operably coupled to supply the gas at the first pressure to the gas supply tube, and wherein the gas supply system can be operated to adjust the flow rate of the gas at the first pressure between a non-zero flow rate and a flow rate which is essentially zero. 12. The apparatus of claim 1 further comprising a gas supply system operably coupled to supply the gas at the first pressure to the gas supply tube, and wherein the gas supply system can be operated to adjust the flow rate of the gas at the first pressure to two or more non-zero flow rates. 13. The apparatus of claim 1 further comprising a gas supply system operably coupled to supply the gas at the first pressure to the gas supply tube, and wherein the gas supply system can be operated to adjust the magnitude of the pressure of the gas at the first pressure. 14. The apparatus of claim 1 further comprising a gas supply system operably coupled to supply the gas at the first pressure to the gas supply tube wherein the gas supply system can be operated to adjust the magnitude of the pressure of the gas at the first pressure, and a controller operably coupled to operate the gas supply system. 15. The apparatus of claim 1 further comprising a gas supply system operably coupled to supply the gas at the first pressure to the gas supply tube wherein the gas supply system can be operated to adjust the flow rate of the gas at the first pressure, and a controller operably coupled to operate the gas supply system. 16. The apparatus of claim 1 further comprising a gas supply system operably coupled to supply the gas at the first pressure to the gas supply tube wherein the gas supply system can be operated to adjust the flow rate of the gas at the first pressure, a temperature sensor adapted to measure the temperature of at least one portion of the injection mold and to produce at least one temperature signal, and a controller operably coupled to receive the at least one temperature signal from the temperature sensor and operably coupled to operate the gas supply system. 17. The apparatus of claim 1 further comprising a gas supply system operably coupled to supply the gas at the first pressure to the gas supply tube wherein the gas supply system can be operated to adjust the magnitude of the pressure of the gas at the first pressure, a temperature sensor adapted to measure the temperature of at least one portion of the injection mold and to produce at least one temperature signal, and a controller operably coupled to receive the at least one temperature signal from the temperature sensor and operably coupled to operate the gas supply system. 18. The apparatus of claim 1 further comprising a gas exhaust system operably coupled to receive the gas at the second pressure from the gas exhaust channel, and wherein the gas exhaust system can be operated to adjust the magnitude of the pressure of the gas at the second pressure. 19. The apparatus of claim 1 further comprising a gas exhaust system operably coupled to receive the gas at the second pressure from the gas exhaust channel wherein the gas exhaust system can be operated to adjust the magnitude of the pressure of the gas at the second pressure, and a controller operably coupled to operate the gas exhaust system. 20. The apparatus of claim 1 further comprising a gas exhaust system operably coupled to receive the gas at the second pressure from the gas exhaust channel wherein the gas exhaust system can be operated to adjust the magnitude of the pressure of the gas at the second pressure, a temperature sensor adapted to measure the temperature of at least one portion of the injection mold and to produce at least one temperature signal, and a controller operably coupled to receive the at least one temperature signal from the temperature sensor and operably coupled to operate the gas exhaust system. 21. The apparatus of claim 1 further comprising a gas exhaust valve operably coupled to receive the gas at the second pressure from the gas exhaust channel. 22. The apparatus of claim 1 further comprising a gas supply system operably coupled to supply the gas at the first pressure to the gas supply tube and a gas exhaust system operatively coupled to receive the gas at the second pressure from the gas exhaust channel, wherein the gas supply system is operably coupled to receive the gas at the second pressure from the gas exhaust system. 23. The apparatus of claim 1 wherein at least a portion of the orifice member is in thermal contact with the at least one portion of the injection mold, thereby providing thermal communication between the orifice member and the at least one portion of the injection mold. 24. The apparatus of claim 1 wherein at least a portion of the gas released from the orifice member strikes the at least one portion of the injection mold, thereby cooling the at least one portion of the injection mold. 25. The apparatus of claim 1 further comprising a thermally conductive member, wherein at least a portion of the thermally conductive member is in thermal contact with at least a portion of the orifice member, and wherein at least a portion of the thermally conductive member is in thermal contact with the at least one portion of the injection mold, thereby cooling the at least one portion of the injection mold. 26. The apparatus of claim 1 further comprising a thermally conductive member, wherein at least a portion of the gas released from the orifice member strikes at least a portion of the thermally conductive member, and wherein at least a portion of the thermally conductive member is in thermal contact with the at least one portion of the injection mold, thereby cooling the at least one portion of the injection mold. 27. The apparatus of claim 1 further comprising a gas supply valve, wherein the gas supply tube is operably coupled to receive the gas at the first pressure from the gas supply valve. 28. The apparatus of claim 27 wherein the gas supply valve can be operated to adjust the flow rate of the gas at the first pressure between a non-zero flow rate and a flow rate which is essentially zero. 29. An apparatus comprising: (a) an injection mold having one or more portions; (b) a pipe containing a gas at a first pressure and having at least one orifice member in thermal communication with at least one portion of the injection mold; (c) a bore in the injection mold at least partially surrounding the orifice member and containing the gas at a second pressure, wherein the second pressure is no higher than the first pressure, and further wherein the bore provides an exhaust channel for the gas; and (d) a gas supply system operably coupled to supply the gas at the first pressure to the pipe, and wherein the gas supply system includes at least one gas cooler adapted to cool the supply of gas at the first pressure; whereby the release of gas from the pipe through the orifice member into the bore cools the at least one portion of the injection mold. 30. The apparatus of claim 29 wherein the bore has a distal end at least partially surrounded by the injection mold, wherein the pipe has an end at least partially surrounded by the distal end of the bore, and wherein the orifice member is located at the end of the pipe. 31. The apparatus of claim 29 wherein the gas includes air.

이 특허에 인용된 특허 (19)

이 특허를 인용한 특허 피인용횟수: 6

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Method and apparatus for mold temperature control using air

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Method and apparatus for mold temperature control using air

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