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특허 상세정보

Injection molding system including a melt filter, the filter being located before first instance of melt accumulation

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-045/53   
미국특허분류(USC) 425/557; 264/328.17; 264/328.19
출원번호 US-0375254 (2010-05-28)
등록번호 US-8628323 (2014-01-14)
국제출원번호 PCT/CA2010/000780 (2010-05-28)
§371/§102 date 20111130 (20111130)
국제공개번호 WO2010/148478 (2010-12-29)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Husky Intellectual Property Services
인용정보 피인용 횟수 : 0  인용 특허 : 22
초록

There is provided an injection unit. The injection unit comprises an extruder that is structured to continuously melt, in use, a molding material; a nozzle that is connectable, in use, to a mold; a melt accumulator that is structured to selectively buffer and transfer, in use, the molding material towards the nozzle, the melt accumulator including a first melt accumulator and a second melt accumulator selectively connectable to the extruder via a distribution assembly, and wherein each of the first melt accumulator and the second melt accumulator defines...

대표
청구항

1. An injection unit, comprising: an extruder that is structured to continuously melt, in use, a molding material;a nozzle that is connectable, in use, to a mold;a melt accumulator that is structured to selectively buffer and transfer, in use, the molding material towards the nozzle, the melt accumulator including a first melt accumulator and a second melt accumulator selectively connectable to the extruder via a distribution assembly, and wherein each of the first melt accumulator and the second melt accumulator defines a respective melt accumulation vo...

이 특허에 인용된 특허 (22)

  1. Kazmer, David O.; Moss, Mark D.; Bassett, Brian; Doyle, Mark J.. Apparatus and method for purging injection molding system. USP2003026514440.
  2. Hendry James W. (Englewood TN). Apparatus for injection molding of parts from foam plastics material and/or from solid plastics material. USP1983064390332.
  3. Trott Delano B. (Danvers MA). Continuous flow polymer filtration apparatus and process. USP1995055417866.
  4. Handa Pawan K. (Akron OH) Lansinger Colleen M. (Akron OH) Parameswaran Vetkav R. (University Heights OH) Schorr Gordon R. (Uniontown OH). Continuous mixing of elastomeric compounds. USP1992105158725.
  5. Straka Rudolf,DEX. Device for filtering plastics in injection molding machines. USP2001036196820.
  6. Gneuss,Detlef. Device for providing a melt. USP2008087411163.
  7. Shirato Toru (Hiroshima JPX) Yoshida Minoru (Hiroshima JPX) Mizuguchi Hideki (Hiroshima JPX). Filter screen exchanging apparatus for plastic extruder. USP1979094167384.
  8. Hold ; Peter. Injection molding machine controls. USP1978064094940.
  9. Hold Peter (Milford CT) Notte Angelo J. (Milford CT) Rizzi Marc A. (Orange CT). Injection molding machine controls. USP1982014311446.
  10. Abe, Masaharu; Yamamoto, Hiroshi; Nakamura, Kyoichi. Injection molding process using a pair of reservoirs and an injection device. USP2003066576179.
  11. Köhler, Ingo; Jaeger, Ansgar. Injection unit for injection molding machines with continuously operating plasticizing unit. USP2004116821101.
  12. Schultz, Gregory Allan. Injection unit having a filter, a method of controlling melt pressure in accordance with a target pressure range. USP2013088501059.
  13. Murakami,Masao; Yamada,Norifumi; Takakura,Ko; Inoue,Kimio. Kneading apparatus and method for kneading rubber-based composition using the same. USP2006027004616.
  14. Choi Christopher W. M.,CAX ; Unterlander Richard M.,CAX. Method and system for reducing polymer degradation products in two stage injection molding machines. USP2001066241932.
  15. Hold Peter (Milford CT) Notte Angelo J. (Milford CT) Rizzi Marc A. (Orange CT). Method for controlling injection molding machines. USP1976023937776.
  16. Wobbe, Hans; Klotz, Bernd; Zwiesele, Jochen. Method of and apparatus for producing injection molded parts reinforced with long fibers. USP2003056558603.
  17. Maus Steven M. (Osseo MN) Galic George J. (Columbia Heights MN). Method of injection molding thermoplastic through multiple gates. USP1990104965028.
  18. Trott Delano B. (Marblehead MA). Polymer filtration apparatus. USP1989034814186.
  19. Tsutsumi Shigeru (Yonezawa JPX). Process and apparatus for injection molding with melt filtration and mixing. USP1993095246660.
  20. Whitman Timothy W.. Screen changer with controlled gap. USP2000016010625.
  21. Gneuss Detlef (Bad Oeynhausen DEX). Sieve arrangement for cleaning synthetic plastic melts. USP1992025090887.
  22. Zweig Konrad (Augsburg DEX) Brkle Erwin (Bichl DEX) Sptzl Markus (Mnchen DEX) Karlinger Peter (Augsburg DEX). System for molding a synthetic-resin using plastic scrap. USP1993105253994.