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특허 상세정보

Screen changer

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-029/02   
미국특허분류(USC) 210/236 ; 210/329 ; 210/DIG ; 15
출원번호 US-0540289 (1975-01-10)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 17  인용 특허 : 0
초록

A simplified screen changer is provided which is particularly suitable for the extrusion of synthetic resinous thermoplastics. Screens are supported in a recessed movable plate. The screen on the upstream side is sealed against leakage by means of an extrusion pressure actuated sealing ring. The apparatus is of simple and rugged construction.

대표
청구항

A screen changing apparatus, particularly suited and adapted for use in the extrusion of heat-plastified synthetic resinous extrudable material, the apparatus comprising a conduit, the conduit having an upstream end and a downstream end, and a passage therebetween, a plate-like element slidably disposed within the conduit and extending transversely to the passage, first and second recesses defined in the plate-like element, the plate-like element being in sliding engagement with the conduit toward the dowstream end, and when forced toward the downstream ...

이 특허를 인용한 특허 피인용횟수: 17

  1. Schiesser Walter H. (Zrich). Change device for sieves for filtering plastic materials. USP1981054265756.
  2. Monteyne Guido (Beukenlaan 28 9971 Lembeke BEX). Conveyor belt for transporting slag material from a filtering apparatus. USP1985014493767.
  3. Straka Rudolf,DEX. Device for filtering plastics in injection molding machines. USP2001036196820.
  4. Gaul ; Jr. Milton U. (Hockessin DE). Diverting plate. USP1985034507072.
  5. Tuttle, Kevin S.; Gambill, Gregory G.; Strong, Patrick K.. Filtration apparatus with a sealing device. USP2014118876517.
  6. Avery, James Frederick; Boyko, Ronald Alan; Corbett, Daniel Wayne; Malarkey, Christopher John; Sariego, Kenneth Charles; Treacy, Jr., David Robertson. Methods of extruding a honeycomb body. USP2014038673206.
  7. Anderson Dennis C.. Plastic injection molding machine with continuous removal of particulate contaminants. USP1998075783223.
  8. Trott Delano B. (Marblehead MA). Polymer filtration apparatus. USP1989034814186.
  9. Whitman Timothy W.. Screen changer with controlled gap. USP2000016010625.
  10. Reineke Frank,DEX. Sealing device for an annular gap between two sealing surfaces of machine parts. USP2001076260852.
  11. Trott, Delano B.. Sealing device in a polymer filtration device. USP2015079090002.
  12. Krasnow Leonard L. (293 Turnpike Road Westboro MA 01581). Slide filters. USP1977114059525.
  13. Fogarty ; Jr. John E. (Westboro MA) Anderson ; Jr. Robert W. (Uxbridge MA). Slide plate screen changer. USP1984084468322.
  14. Jones, III,Howland B.. Sliding plate filter with segmented sealing ring. USP2006127147774.
  15. Harrington, William; Hirsch, Kai. Water purification device. USP201510D740915.
  16. Sgroi, Jr., Anthony. Water purification media device. USP201710D798996.
  17. Sgroi, Jr., Anthony. Water purification media device. USP201511D742997.