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Respirator air filter cartridge with a replaceable filter element 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A62B-019/00
  • A62B-023/02
  • B01D-046/52
  • B01D-027/00
출원번호 US-0728699 (1991-07-11)
발명자 / 주소
  • Forsgren R. D. (Minneapolis MN)
출원인 / 주소
  • Donaldson Company, Inc. (Minneapolis MN 02)
인용정보 피인용 횟수 : 89  인용 특허 : 0

초록 ▼

A respirator cartridge having a housing, a replaceable filter and a cover is provided. The cartridge is sealed by a lip on the filter frame and sealing rings on the housing and cover. The cover is releasably connected to the housing by protuberances on the cover which slide along ramp-up lock device

대표청구항 ▼

A filter cartridge for use on a respirator, having a replaceable filter, comprising: (a) a housing having an annular peripheral wall with upper and lower edges, a base with a peripheral filter support surface extending inwardly from said lower edge, a peripheral sealing surface extending radially ou

이 특허를 인용한 특허 (89)

  1. Lawrence, Michael; Rodrigues, Joseph, Accessory cap for a respiratory filter cartridge.
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  3. Baseotto, Michel; Merckx, Roberto; Dils, Julien; Coulonvaux, Paul, Air cleaner arrangements with internal and external support for cartridge; components; and, methods.
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  7. Reichter, Gregory; Bishop, Wayne; Nelson, Benny; Wegner, Darrel; Crenshaw, Bruce; Kladnitsky, Vladimir; Mork, Donald; Schrage, Kevin; Osendorf, Richard; Keumpel, Bradley; Lundgren, Thomas; Flagstad, Jordan S., Air filter arrangement.
    상세보기
  8. Reichter, Gregory; Bishop, Wayne; Nelson, Benny; Wegner, Darrel; Crenshaw, Bruce; Kladnitsky, Vladimir; Mork, Donald; Schrage, Kevin; Osendorf, Richard; Kuempel, Bradley; Lundgren, Thomas; Flagstad, Jordan, Air filter arrangement.
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  9. Nelson, Benny K.; Nelson, David W., Air filter arrangement; air cleaner assembly; and, methods.
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  11. Boehrs, Bruce Allen; Wendt, Paul Anthony; Reichter, Gregory L.; Sabelko, Stephen W., Air filter arrangement; assembly; and, methods.
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