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Pleated filter media having a continuous bead of adhesive between layers of filtering material 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A62B-018/08
  • A62B-019/00
  • A62B-007/10
  • A62B-023/02
출원번호 US-0702610 (1991-05-17)
발명자 / 주소
  • Bachinski Thomas J. (Minnetonka MN)
출원인 / 주소
  • Donaldson Company, Inc. (Minneapolis MN 02)
인용정보 피인용 횟수 : 91  인용 특허 : 0

초록 ▼

A pleatable filter media, suitable for a use in a respirator for humans, is disclosed comprising a filter material including a meltblown polymeric material, such as polypropylene. A laminate construction is disclosed for the filter material comprising a plurality of layers of the meltblown polypropy

대표청구항 ▼

A filter media comprising: a layer of filter material for filtering particulates; a second layer of material; an adhesive bead pattern layer between said layer of filter material and said second layer, wherein said adhesive bead pattern layer includes a continuous adhesive bead extending without int

이 특허를 인용한 특허 (91)

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