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특허 상세정보

Injection control system

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-045/34   
미국특허분류(USC) 264/040.1 ; 264/040.3 ; 264/051 ; 264/085 ; 264/572 ; 264/328.1 ; 264/328.13 ; 425/04R ; 425/146 ; 425/546
출원번호 US-0654622 (1996-05-29)
발명자 / 주소
대리인 / 주소
    Brooks & Kushman P.C.
인용정보 피인용 횟수 : 21  인용 특허 : 29
초록

A method of injection molding for use with an injection molding machine (10) includes: (a) generating pressurized gas and pressurized moisture within molten plastic as plastic pellets are plasticized in the injection molding machine (10), the pressurized gas and the pressurized moisture having a total pressure defining an internal counterpressure within the molten plastic; (b) pressuring air within a cavity (30) of a mold (22) in the injection molding machine (10) to an air pressure level which is substantially equal to the internal counterpressure in or...

대표
청구항

[ What is claimed is:] [1.] A method of injection molding for use with an injection molding machine including a mold with a cavity formed therein for receiving molten plastic and a hydraulic unit for creating an injection pressure to fill the mold cavity with molten plastic at a predetermined melt pressure, comprising:supplying air to the cavity at a predetermined air pressure;sensing the melt pressure during injection;sensing the air pressure in the cavity during injection; andproviding a closed loop controller to monitor the sensed melt pressure and se...

이 특허에 인용된 특허 (29)

  1. Lemelson Jerome H. (85 Rector St. Metuchen NJ 08840). Apparatus and method for controlling the internal structure of matter. USP1981094288398.
  2. Hendry James W. (Spring Hill FL). Apparatus for compressing a gas. USP1988064750409.
  3. Shah Suresh D. (Troy MI) Visconti Carl H. (Clarkston MI). Gas-assisted plastics injection molding with controlled melt flow and method of controlling melt flow. USP1996095558824.
  4. Gahan Geoffrey D. (Great Missenden GB2). Injection molding apparatus having a sprue holder with an inclined retractable ram. USP1985024498860.
  5. Sayer Matthew E. (Tamworth GB2). Injection moulding apparatus. USP1988044740150.
  6. Erlenbach Hans (Hermann-Lons-Strasse 13 Nastatten D-5428 DEX). Machine for the production of molded parts from foamed plastic. USP1987084685872.
  7. Guergov Milko G. (615 Wahington ; #5 Monroe MI 48161). Method and apparatus for injection molding. USP1995085441680.
  8. Egli Ernst (Bischofszell CHX). Method and apparatus for injection molding foamed plastic articles using a pre-pressurized mold having fixed core member. USP1980064208368.
  9. Sayer Matthew E. (Tamworth GB2). Method and apparatus for injection moulding. USP1990054923667.
  10. Korpela Heikki (Hvitsmansgatan 8 Helsingborg SEX S-252 37) Ampler Leif (Kaprifolgatan 65 Vstra Frlunda SEX S-421 69). Method and apparatus for measuring and controlling the volumetric weight of an expanded particulate material. USP1989074852028.
  11. Friederich ; Ernst. Method for injection molding of hollow shaped bodies from thermoplastic resins. USP1978074101617.
  12. Hendry James W. (Brooksville FL). Method of and apparatus for injection molding with pressurized fluid assist. USP1990074943407.
  13. Loren Norman S. (Warren MI). Method of and apparatus for injection molding with pressurized-fluid assist. USP1990074942006.
  14. Kumazaki Hiroshi (Numazu JPX). Method of controlling pressurized gas, before and after injecting a molten material, in a mold cavity. USP1987064675141.
  15. Lemelson Jerome H. (Call Box 14-286 ; 868 Tyner Way Incline Village NV 89450). Method of controlling the internal structure of matter. USP1993115264163.
  16. Guergov Milko G. (615 Washington #5 Monroe MI 48161). Method of injecting molten metal into a mold cavity. USP1996105566743.
  17. Balevski Anguel Tonchev (Sofia BG) Nikolov Ivan Dimov (Sofia BG) Antonov Asparuh Mihailov (Sofia BG) Semerdjiev Stefan Georgiev (Sofia BG). Method of injection molding a thermoplastic article having a cellular core and integral skin involving use of reclaimed. USP1976063960996.
  18. Yamazaki Kunio (Takatsuki JPX) Watanabe Tetsuzi (Toyonaka JPX). Method of injection moulding. USP1990054923666.
  19. Balevski ; Angel Tonchev ; Nikolov ; Ivan Dimov ; Mateev ; Evgeni Hris tov ; Trifonov ; Todor Kostadinov ; Kojuharov ; Vassil Vladimirov. Method of producing molded parts with a smooth noncellular skin and a cellular core from foamable thermoplastic materia. USP1978054092385.
  20. Lemelson Jerome H. (85 Rector St. Metuchen NJ 08840). Molding apparatus. USP1982034318874.
  21. Young Gerald T. (Conway NH) Easterling Michael R. (Windsor VT) Dukeshire Robert E. (Hartland VT). Molding articles of thermoplastic rubber. USP1982064333901.
  22. Hayakawa Akifumi (Tokyo JPX) Aiba Akira (Kawasaki JPX) Orihara Eiki (Tokyo JPX) Fukushima Kiyoshi (Fujisawa JPX). Mould assembly for foam moulding of plastic materials. USP1979054153231.
  23. Hendry James W. (Spring Hill FL) Cahan Geoffery D. (Little Kingshill GB2). Process and apparatus for injection moulding and mouldings produced thereby. USP1989044824732.
  24. Arnold John W. (West Bloomfield MI) Mills Steven L. (Bloomfield Hills MI). Process and apparatus for nucleation control adapted for reaction injection molding of cellular products. USP1982014312820.
  25. Hendry James W. (Brooksville FL). Process for injection molding and hollow plastic article produced thereby. USP1992035098637.
  26. Angell ; Jr. Richard G. (Somerville NJ) Anderson Robert J. (Whitehouse Station NJ) Hobbs Kenneth E. (Helmetta NJ) James David E. (Elkview WV) Marsh B. Duane (Somerville NJ). Process for producing molded structural foam article having a surface that reproducibly and faithfully replicates the su. USP1976103988403.
  27. Shah Suresh D. (Troy MI). Pulsating gas-assisted injection molding method and apparatus. USP1996015482669.
  28. Kopernicky Jaro (Bramalea CAX). Removing volatiles from plastic materials delivered to an extrusion or injection molding machine. USP1987014636084.
  29. Kojima Hisashi (Tokyo JPX). Ultrahigh speed injection molding method. USP1989014797236.

이 특허를 인용한 특허 피인용횟수: 21

  1. Altonen, Gene Michael; Neufarth, Ralph Edwin; Schiller, Gary Francis; Berg, Jr., Charles John. Alternative pressure control for a low constant pressure injection molding apparatus. USP2014068757999.
  2. Altonen, Gene Michael; Neufarth, Ralph Edwin; Schiller, Gary Francis. Apparatus for injection molding at low constant pressure. USP20180910076861.
  3. Guergov Milko G.. Gas assisted injection molding with controlled internal melt pressure. USP2000026019918.
  4. Altonen, Gene Michael; Neufarth, Ralph Edwin; Stevens, John Boyet; Prosise, Robert Lawrence; Poland, James Edward; Layman, John Moncrief; Lumpkin, Danny David. Injection mold having a simplified cooling system. USP2016109475211.
  5. Altonen, Gene Michael; Neufarth, Ralph Edwin; Stevens, John Boyet; Prosise, Robert Lawrence; Poland, James Edward; Layman, John Moncrief; Lumpkin, Danny David. Injection mold having a simplified cooling system. USP2015079089998.
  6. Neufarth, Ralph Edwin; Robinson, Niall D.; Scharrenberg, Rainer; Prosise, Robert Lawrence; Berg, Jr., Charles John. Injection mold having a simplified evaporative cooling system. USP2013118591219.
  7. Neufarth, Ralph Edwin; Robinson, Niall D; Scharrenberg, Rainer; Prosise, Robert Lawrence; Berg, Jr., Charles John. Injection mold having a simplified evaporative cooling system or a simplified cooling system with exotic cooling fluids. USP2017069682505.
  8. Altonen, Gene Michael; Neufarth, Ralph Edwin; Breidenbach, Vincent Sean; Pratel, Dennis James; Davis, III, Walter Thomas; Lumpkin, Danny David. Injection mold with fail safe pressure mechanism. USP2017039604398.
  9. Desmith, Brian L.; Mozer, Wilfried; Zawacki, Jeffrey R.. Interchangeable mold tooling. USP2012038128394.
  10. Altonen, Gene Michael; Dodd, Michael Thomas; Ramon Martinez, Natalia Maria; McConnell, Kimberly Nichole; Lumpkin, Danny David; Breidenbach, Vincent Sean; Lawson, John Russell. Method and apparatus for substantially constant pressure injection molding of thinwall parts. USP2017119815233.
  11. Altonen, Gene Michael; Dodd, Michael Thomas; Ramon-Martinez, Natalia Maria; McConnell, Kimberly Nichole; Lumpkin, Danny David; Breidenbach, Vincent Sean; Lawson, John Russell. Method and apparatus for substantially constant pressure injection molding of thinwall parts. USP2016039272452.
  12. Altonen, Gene Michael; Berg, Jr., Charles John; Neufarth, Ralph Edwin; Schiller, Gary Francis; Layman, John Moncrief; Scharrenberg, Rainer. Method for injection molding at low, substantially constant pressure. USP2017079707709.
  13. Yamaki Hiroshi,JPX ; Matsuura Yoshimasa,JPX ; Kataoka Hiroshi,JPX. Method for injection molding of thermoplastic resins. USP2000116146577.
  14. Altonen, Gene Michael; Dodd, Michael Thomas; Ramon-Martinez, Natalia Maria; McConnell, Kimberly Nichole; Lumpkin, Danny David; Breidenbach, Vincent Sean; Lawson, John Russell. Method for substantially constant pressure injection molding of thinwall parts. USP2014098828291.
  15. Mozer, Wilfried; Desmith, Brian L.. Method of manufacture of a foamed core class “A” article. USP2011118048347.
  16. Guergov Milko G.. Molding of normally non-mixable materials. USP1999015863487.
  17. Altonen, Gene Michael; Neufarth, Ralph Edwin; Schiller, Gary Francis; Berg, Jr., Charles John. Non-naturally balanced feed system for an injection molding apparatus. USP2014128911228.
  18. Saki Tomihiro,JPX ; Kogami Kanya,JPX ; Watanabe Toshihiro,JPX ; Kamada Tsuneo,JPX. Nozzle for injection molding rubber products. USP2001086280175.
  19. Altonen, Gene Michael; Breidenbach, Vincent Sean; McConnell, Kimberly Nichole; Lumpkin, Danny David; Huang, Chow-Chi; Berg, Jr., Charles John. Reduced size runner for an injection mold system. USP2017049610721.
  20. Puniello,Paul A.; Wilson,Robert A.. Retractable pin reaction injection molding. USP2006117135138.
  21. Wang, Lixiao; Dahdah, Mona; Drake, Ron; Horn, Daniel. Wet processing method for catheter balloons. USP2004016673302.