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Method of making fibrous electrets 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29J-001/00
  • H01T-019/00
출원번호 US-0243218 (1981-03-12)
발명자 / 주소
  • Wadsworth Larry C. (Arlington TX) Hersh Solomon P. (Raleigh NC)
출원인 / 주소
  • Surgikos, Inc. (Arlington TX 02)
인용정보 피인용 횟수 : 160  인용 특허 : 3

초록 ▼

A process of manufacturing an electrostatically charged filtration medium is disclosed. A web made of nonconductive thermoplastic fibers is contacted on each side with a more conductive web to form a combined web. The combined web is charged with electrically charged particles from corona charging e

대표청구항 ▼

A process of applying a permanent electrostatic charge by corona charging to a dielectric fiber web, joining a contact web, which is more conductive than said dielectric fiber web, to each surface of said dielectric fiber web to form a combined web, moving the combined web between a first pair of co

이 특허에 인용된 특허 (3)

  1. Simm ; Walter ; Gosling ; Claus ; Bonart ; Richard ; VON Falkai ; Bela, Filter made of electrostatically spun fibres.
    상세보기
  2. Sasaki Tohru (Iwaki JA) Ichii Takao (Iwaki JA) Terasaki Shuji (Iwaki JA), Method for continuously polarizing thermoplastic film.
    상세보기
  3. van Turnhout Jan (Delft NL), Method for the manufacture of an electret fibrous filter.
    상세보기

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