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특허 상세정보

Mixing method and apparatus for preparing multi-component plastic materials especially polyurethanes

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08F-299/06    B01F-005/20   
미국특허분류(USC) 422/133 ; 422/224 ; 366/173 ; 521/917
출원번호 US-0481913 (1983-04-04)
우선권정보 IT-0020594 (1982-04-06)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 6  인용 특허 : 18

A mixing method and apparatus for preparing multi-component plastic materials, especially polyurethanes, which are mixed before being fed into a mold. According to the invention, a first and at least a second main component are mixed by feeding them into a limited area of a mixing chamber through lateral inlet apertures symmetrically arranged with respect to a plane comprising the longitudinal axis of the chamber and in which a third or secondary component to be mixed is fed through a channel, opening in the chamber upstream of said inlet apertures and o...


A method for uniformly mixing first and second chemically interactive main components and a colouring agent to produce a multi-component coloured plastic material, which method comprises the steps of: disposing a control and cleaning member for movement along an axis of a mixing chamber toward and away from an output end of the mixing chamber; moving the control member to a retracted position in which the control member opens first and second inlet apertures on sides of the mixing chamber that are opposite each other and connects a third inlet aperture, ...

이 특허에 인용된 특허 (18)

  1. DiBella Eugene P. (Piscataway NJ) Dunkel Morris (Paramus NJ) Gould Henry (Englishtown NJ). Colored polyurethane foams and a process for their production. USP1979084166163.
  2. Boden, Heinrich; Niggemann, Johann; Rentz, Bernhard; Raffel, Reiner; Althausen, Ferdinand. Device for producing a solid-forming or foaming flowable reaction mixture. USP1983034378335.
  3. Phillips ; Jr. Stanley J. (Sandy Hook CT). Dispenser. USP1979064159079.
  4. Connett Michael (Timperley GB2) Connett Peter (Stretford GB2). Foam producing method. USP1979024140661.
  5. Muhle ; Dietrich. Frothing method and an apparatus for carrying out the method. USP1978094115299.
  6. Fiorentini Carlo (Saronno ITX). Head for mixing and ejecting interacting liquid components, for molding plastic materials. USP1982064332335.
  7. Schneider Fritz W. (Louisville KY). High pressure impingement mixing apparatus. USP1984044440500.
  8. Boden Heinrich (Leverkusen DEX) Rentz Bernhard (Leverkusen DEX) Niggemann Johann (Leverkusen DEX) Just Gerhard (Leichlingen DEX). Method and a device for producing shaped articles from a multi-component reaction mixture. USP1982024314963.
  9. Schneider Fritz W. (Strasslach DT) Clausen Helmut (Strasslach DT) Kelterbaum Manfred (Strasslach DT). Mixing device for mixing together multi-component plastics materials. USP1977104053283.
  10. Bauer Adolf (Olching DEX). Mixing head. USP1985044510120.
  11. Taubenmann, Peter. Mixing head for reactive components. USP1983044379122.
  12. Schlter Klaus (Munich DEX). Mixing head, especially for reactive components such as those in thermosetting synthetic resins. USP1980104226543.
  13. Kelterbaum Manfred (Strasslach DEX). Process and apparatus for the counter-current injection-mixing of two or more fluid plastic components which react with. USP1982084344919.
  14. Pellegrini Vittorio (Novara ITX). Stationary mixer device arranged to homogeneously mix two or more components in liquid or semiliquid state. USP1982114361407.
  15. Leidal ; Shirley Margaret. Stem adjustment seal for reaction injection molding machine. USP1978074099919.
  16. Dietrich David E. (8450-101 Via Sonoma La Jolla CA 92037). Swirl mixing device. USP1983084398827.
  17. Schluter Klaus (Munich DT). System for filling a mold with reactive synthetic-resin components. USP1976083975128.
  18. Tennis Francis H. (Oconomowoc WI). Valve mechanism for automatic control of a number of fluid motors. USP1976013934742.