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특허 상세정보

Pleated fluid filter

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-027/06    B01D-046/02    B01D-046/52    B29D-023/10   
미국특허분류(USC) 210/443 ; 55/497 ; 55/498 ; 55/502
출원번호 US-0918939 (1978-06-26)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 23  인용 특허 : 0
초록

A sheet of porous filter material folded into accordion pleats, the pleats having opposite edges folded over on diagonal fold lines to close the opposite edges of alternate pleats. The pleated and folded sheet is selectively disposed in flat panel form or formed into a tube with the pleats extending axially of the tube. When the filter is in its tubular form, the folded pleat ends are disposed at the exterior of the tube.

대표
청구항

A filter comprising an elongated porous sheet of filter material folded on longitudinally spaced transverse fold lines and in alternate directions to provide a plurality of accordion pleats having opposite edges, each pleat having a pair of sides and adjacent pleats being oppositely directed and having a common side, alternate ones of said pleats having a pair of score lines adjacent to at least one of the edges thereof and on said pair of sides thereof, each said pair of score lines extending diagonally from the fold lines of their adjacent pleats at sa...

이 특허를 인용한 특허 피인용횟수: 23

  1. Schuld, Daniel E.. Adaptable evaporative element for a humidifier. USP2003056568662.
  2. Schuld, Daniel E.. Adaptable evaporative element for a humidifier. USP2005056886814.
  3. Taomo Toshio,JPX ; Kobayashi Fujio,JPX. Air cleaner. USP1999065914414.
  4. Gehl Warren G. (Richfield MN) Wright Mervin E. (Apple Valley MN). Air cleaner with suspended cartridge. USP1981124304580.
  5. Dottermans Jos (Bertem BEX). Air filter assembly and method of putting filter element in same. USP1990084950317.
  6. Osendorf Richard J.. Air filter element; assembly; and, method. USP1998045743927.
  7. Madeira, Pedro Miguel Pereira; Neef, Pascal; Sorger, Nadine; Thalmann, Irmgard. Air filter, filter element and filter housing of an air filter. USP2017089726123.
  8. Nakayama Toshiaki (Nishikamo-gun JPX) Kamo Hideo (Chiryu JPX) Nishio Yoshitaka (Nagoya JPX) Okazono Tetsuro (Okazaki JPX) Takagaki Takanari (Nagoya JPX). Automobile filter element. USP1997105674302.
  9. Hartmann, Thomas; Geibel, Stephen. Corrugated fluid treatment packs and methods of making them. USP2012088236210.
  10. Valentinovich, Chekalov Lev; Valentinovich, Chekalov Vladimir. Filter. USP2009047513926.
  11. Attassery,Nishaj. Filter assembly using adhesive center tube. USP2009017481862.
  12. Haggard Clifford D.. Filter hose assembly employing a conical filter element. USP1999055902365.
  13. Haggard Clifford D. (Fayetteville NC). Filter hose assembly employing a conical filter element. USP1997055632793.
  14. Basten Aaron K. (Solon IA) Claassen Robert W. (Swisher IA). Filter system for a fluid bed granulator/dryer. USP1990094953308.
  15. Nodes Rudolf (Bblingen DEX) Hoffmann Jrgen (Hardegsen-Ellierode DEX). Flat filter element for the filtration of fluids. USP1987074678578.
  16. Jackson William E. (Bloomington MN). Method for potting pleated filter media and filters made thereby. USP1991065024870.
  17. Reuter Robert J.. Pleated filter. USP2000036036752.
  18. Wright Mervin E. (Apple Valley MN) Gronholz Donald D. (Minneapolis MN). Pleated filter element with controlled expansibility and frame therefor. USP1985044512891.
  19. Morris, Bryant. Pleated filter media. USP2016099440178.
  20. Jaroszczyk,Tadeusz; Schwartz,Scott W.; Janikowski,Eric A.; Terres,Mark A.; Schukar,Murray R.; Verdegan,Barry M.. Pleated panel fluid filter. USP2008017314558.
  21. Nakayama Toshiaki,JPX ; Kamo Hideo,JPX ; Nishio Yoshitaka,JPX ; Okazono Tetsuro,JPX ; Takagaki Takanari,JPX. Process for manufacturing a filter element. USP1999115993580.
  22. Moldow, Preben G.. Separator for filter cartridges. USP1985124560477.
  23. Martin James W. (Rehobeth MA) Bernadyn Gerard P. (Coventry RI) Gagnon Donald L. (Pawtucket RI) Swanson Russell A. (Barrington RI). Thimble-shaped liquid filter. USP1994075328612.