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특허 상세정보

Polymer filteration apparatus and method of use

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-045/00   
미국특허분류(USC) 264/039 ; 425/197 ; 425/198 ; 425/199 ; 425/559
출원번호 US-0528391 (2000-03-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Hamilton, Brook, Smith & Reynolds, PC
인용정보 피인용 횟수 : 16  인용 특허 : 31
초록

The present invention includes a filtration apparatus for an injection molding machine where the injection molding machine includes a screw housed within a bore for generating molten polymer. A tip member extends axially from the screw. The tip member has radially extending upstream and downstream flanges positioned axially apart from each other. A filter encircles the tip member and is capable of filtering the molten polymer. An annular ring member encircles the tip member and is slidably positioned within the bore between the upstream and downstream fl...

대표
청구항

[ What is claimed is:] [1.]1. A method of forming a filtration apparatus for an injection molding machine, the injection molding machine including a screw housed within a bore for generating molten polymer, the method comprising the steps of:axially extending a tip member from the screw, the tip member having radially extending upstream and downstream flanges positioned axially apart from each other;encircling a filter around the tip member for filtering the molten polymer;slidably positioning an annular ring member within the bore and encircling the tip...

이 특허에 인용된 특허 (31)

  1. Eichlseder Martin (Tettenweis DEX) Brkle Erwin (Benediktbeuern DEX). Adjustable injection molding backflow preventer. USP1985044512733.
  2. Hills William H. (Melbourne Village FL). Apparatus for continuous polymer filtration. USP1995105462653.
  3. Trott Delano B. (Salem MA). Apparatus for continuous polymer filtration. USP1985044511472.
  4. Neuman Clayton L. (11440 Olive St. Coon Rapids MN 55433) Reum Donald J. (330 Sixth St. Albany MN 56307). Apparatus for continuously filtering plastic melt with noninterruptive purge. USP1984124486304.
  5. Hara Hitoshi,JPX. Back flow-prevention apparatus. USP2000096113380.
  6. Eichlseder Martin (Tettenweis DEX) Brkle Erwin (Benediktbeuern DEX). Backflow preventer for an injection molding machine. USP1984104477242.
  7. Rapp Willard E. (Griggstown NJ). Cleanable filter and method of cleaning same. USP1981034257901.
  8. Trott Delano B. (Danvers MA). Continuous flow polymer filtration apparatus and process. USP1995055417866.
  9. Hills William H. (514 Hammock Rd. Melbourne Village FL 32904). Continuous polymer filter. USP1989074849113.
  10. Drsam Karl-Heinz (Buchen-Bdigheim DEX). Dirt filter for semifluid thermoplastic media. USP1986124627916.
  11. Mller Walter (Battenberg DEX). Electrically heatable nozzle for an injection molding machine, a hot runner system or the like. USP1992095151025.
  12. Bacher Helmut (Bruck/Hausleiten 17 St. Florian ATX) Schulz Helmuth (Badstrasse 20 St. Florian ATX) Wendelin Georg (Waldbothenweg 84 Linz ATX). Filter apparatus for flowable material. USP1996045510030.
  13. Kreyenborg Udo (Mnster-Kinderhaus DEX) Hangmann Manfred (Mnster DEX) Wilken-Trenkamp Ludger (Mnster-Mecklenbeck DEX). Filter changing apparatus for flowable plastic material. USP1992065122286.
  14. Herzog Kurt (Wattwil CHX). Filter nozzle for injection molding machines processing thermoplastics. USP1996125587076.
  15. Herbert Adolf (Hanover DEX). Filter or tool-changing device for screw extruders. USP1982114358262.
  16. Anders Dietmar (Hanover DEX). Filtering arrangement for thermoplastics materials. USP1982064332541.
  17. Kaplan Stephen J. (4420 Cezanne Ave. Woodland Hills CA 91364) Lengyel Ladislaus S. (25623 Bellerise Dr. Valencia CA 91355). Filtration device for filtering temperature controlled fluids. USP1980034191648.
  18. Kinoshita Tomoo (Tokyo JPX). Foreign material removing device in synthetic resin reclaiming machine. USP1979114174198.
  19. Meadors ; William R.. Injection molding extrusion mixer. USP1978034077756.
  20. Lowry George W. (Ashley IN). Method and apparatus for cleaning thermoplastic materials. USP1979124177234.
  21. Lin Ping Ho (No. 2 ; Alley 54 ; Lane 747 ; Chung Cheng Pei Rd. Young Kang ; Tainan TWX). On-the-fly long-running rotary filtration screen device. USP1997045618423.
  22. Anderson Dennis C.. Plastic injection molding machine with continuous removal of particulate contaminants. USP1998075783223.
  23. Hotz ; Alfons. Plasticizing device of an injection molding machine for plastics. USP1978094112516.
  24. Whitman Timothy W. (South Hamilton MA). Polymer filter with backflush pump. USP1992085141631.
  25. Tersi Paul (Altenstadt DEX) Briegel Wolfgang (Hanau DEX) Cermak Dieter (Friedrichsdorf DEX) Schulze Michael (Offenbach am Main DEX). Polymer melt filtration apparatus. USP1995105456828.
  26. Langley Isaac L. (Greenville SC). Prefilter device for polymeric material. USP1987044661249.
  27. Tsutsumi Shigeru (Yonezawa JPX). Process and apparatus for injection molding with melt filtration and mixing. USP1993095246660.
  28. Meeker Gregory W. (Webster NY) Bleck Norris E. (Rochester NY) Rizzi Marc A. (Orange CT) Irick Carl M. (Monroe CT). Rotary plasticator screw injection machine. USP1987124714422.
  29. Pena Juan R. (Arquimedes ; s/n Badalona ; Barcelona ESX). Seal for piston screws in plastics injection and extrusion apparatus. USP1990104966539.
  30. Trott Delano B. (Danvers MA). Sealing device for polymer filtration apparatus. USP1996045507498.
  31. Osuna-Diaz J. M. (908 Ravine Ter. Ct. Rochester MI 48067). Two-stage filter for injection molding machine. USP1984024434053.

이 특허를 인용한 특허 피인용횟수: 16

  1. Schimmel, Dieter. Backflow prevention device. USP2005026857867.
  2. Manda,Jan Marius; Weir,Sean Ian. Brake for molding machine valve. USP2007107284978.
  3. Gneuss,Detlef. Device for providing a melt. USP2008087411163.
  4. Dubois, Brian R.; Nielsen, James T.; Gordon, Alexander. Devices and methods for cutting tissue. USP2014118882793.
  5. Dubois, Brian R.; Nielsen, James T.; Gordon, Alexander. Devices and methods for cutting tissue. USP2014098840632.
  6. Dubois, Brian R.; Nielsen, James T.; Gordon, Alexander. Devices and methods for cutting tissue. USP2017019532796.
  7. Dubois, Brian R.; Nielsen, James T.; Gordon, Alexander. Devices and methods for filtering and/or collecting tissue. USP2014088815099.
  8. Vandendijk, Stefan; Gerzon, Yakov. Filter candle comprising an elongated mesh pack. USP2011087998353.
  9. Suganuma, Masashi; Hayashi, Kazuki; Shioiri, Takayoshi. Injecting apparatus with check valve. USP2003036533567.
  10. Tojyo,Makoto. Method and apparatus for making pellets of wood meal compound. USP2006047029262.
  11. Suehara, Kazuyoshi. Method for recycling used-up plastic products and washing process of crushed plastic and apparatus therefor. USP2005016846441.
  12. Suehara,Kazuyoshi. Method for recycling used-up plastic products and washing process of crushed plastic and apparatus therefor. USP2007067231927.
  13. Durina, Michael F.. Precise control non-return valve. USP2009057527493.
  14. Jones, III,Howland B.. Sliding plate filter with segmented sealing ring. USP2006127147774.
  15. Dubois, Brian R.; Nielsen, James T.; Gordon, Alexander. Vacuum powered rotary devices and methods. USP2017099763731.
  16. Dubois, Brian R.; Nielsen, James T.; Gordon, Alexander. Vacuum powered rotary devices and methods. USP2017099770289.