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특허 상세정보

Apparatus for filtering plasticized materials in extruders

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-047/68   
미국특허분류(USC) 425/185 ; 210/234 ; 210/236 ; 425/198
출원번호 US-0864081 (1986-05-16)
우선권정보 DE-3523743 (1985-07-03)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 13  인용 특허 : 5
초록

Apparatus for filtering a stream of plasticized synthetic plastic material in an extruder has a housing with four or more channels connecting a material-admitting inlet with a material-discharging outlet. The housing is formed with parallel bores each of which receives a single reciprocable cylindrical carrier of two or more filters or two independently reciprocable cylindrical carriers of discrete filters. Each carrier can be moved between a first position in which its filter or filters register with discrete channels of the housing and at least one add...

대표
청구항

Apparatus for filtering a flowable synthetic plastic material in an extruder, comprising a housing having an inlet and an outlet for a stream of plastic material and at least four discrete channels connecting said inlet with said outlet; a plurality of carriers mounted in and movable relative to said housing between a plurality of different positions, each of said carriers having at least one passage which is in register with one of said discrete channels of said housing in one position of the respective carrier and is accessible in another position of t...

이 특허를 인용한 특허 피인용횟수: 13

  1. Petschner Goetz (Zollikon CHX). Apparatus for filtering a heat-softened stream of plastic material. USP1991075032267.
  2. Stude Rolf-Rdiger (Mnster DEX) Wilken-Trenkamp Ludger (Mnster DEX). Apparatus for filtering plasticized materials in extruders and like machines. USP1991045004414.
  3. Moser, Kenneth Wayne; Lewis, Andrew Colin; Allen, Bert Eugene; Coe, Stephen Wayne; Landry, Douglas James; Strasser, Wayne Scott. Candle filter support and plate assembly for polymer melts. USP20190110188968.
  4. Middler,Robert; Wostmann,Stefan. Device for filtering a fluid especially for plastic-processing installations. USP2008097419592.
  5. Emhardt, Peter. Device for filtering a liquid, particularly for filtering a polymer plastic melt. USP2003116641728.
  6. Kreyenborg Jan-Udo (Munster DEX). Filter device for extruders and injection-molding machines. USP1997035607583.
  7. Previero Flavio,ITX. Filter device for flowable plastic material. USP2001046216880.
  8. Hartmann, Frank; Middler, Robert. Filtering device for highly viscous fluids. USP2016069364778.
  9. Wostmann, Stefan; Hartmann, Frank; Middler, Robert. Filtering device for highly viscous media. USP2018019855699.
  10. Anderson Dennis C.. Plastic injection molding machine with continuous removal of particulate contaminants. USP1998075783223.
  11. Trott Delano B. (Marblehead MA). Polymer filtration apparatus. USP1989034814186.
  12. Ogoshi Shunji (Hiroshima JPX) Yoshida Minoru (Hiroshima JPX) Mukuda Nobuo (Hiroshima JPX) Ishida Yasuhiko (Hiroshima JPX) Imamura Yukio (Hiroshima JPX). Screen pack replacing apparatus. USP1996115578206.
  13. Siddiqui Shahid A.. Shutoff valve and filter in thermoplastic material supply system. USP1999045890514.