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Melt-blown material with depth fiber size gradient 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B32B-007/02
출원번호 US-0858995 (1986-05-02)
발명자 / 주소
  • Shipp
  • Jr. Peter W. (Woodstock GA) Vogt Clifford M. (Roswell GA)
출원인 / 주소
  • Kimberly-Clark Corporation (Neenah WI 02)
인용정보 피인용 횟수 : 96  인용 특허 : 13

초록 ▼

A filter medium is formed by sequentially depositing layers of melt-blown thermoplastic fibers, having the same composition but different sizes, onto a collector. The resulting laminate web has a fiber size gradient across its depth so that the large particulate can be trapped across the filter\s de

대표청구항 ▼

A filter medium comprising a composite web of melt-blown thermoplastic fibers, the web having a fiber size gradient across its depth, wherein the gradient results from sequentially depositing and interbonding a number of layers of melt-blown thermoplastic fibers having the same composition but diffe

이 특허에 인용된 특허 (13)

  1. Fukuda Takashi (Otsu JPX) Shimada Masayoshi (Otsu JPX) Ishizaki Nobuo (Otsu JPX) Iwahori Shoichi (Otsu JPX), Carbon adsorptive filter material with layers of reinforcing non woven fabrics needle punched.
    상세보기
  2. Pall ; David B., Continuous production of tubular modular filter elements using nonwoven webs from thermoplastic fibers and products.
    상세보기
  3. Perry Gerald N. (Nashville TN), Filter medium.
    상세보기
  4. Carey ; Jr. Patrick H. (Bloomington MN), Filter medium layered between supporting layers.
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  5. Kubik Donald A. (Houlton WI) Davis Charles I. (Cottage Grove MN), Melt-blown fibrous electrets.
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  6. Lau Jark C. (Roswell GA), Meltblown die and method.
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  7. Wadsworth Larry C. (Arlington TX) Hersh Solomon P. (Raleigh NC), Method of making fibrous electrets.
    상세보기
  8. Pall David B. (Roslyn Estates NY) Krasnoff Abraham (Glen Cove NY), Microporous filter system and process.
    상세보기
  9. Ruffo Angelo P. (Montreal CA) Goyal Prashant K. (Roxboro CA), Nonwoven fabric.
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  10. McAmish Larry H. (Arlington TX) Addy Tralance O. (Arlington TX) Lee George F. (Greer SC), Nonwoven medical fabric.
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  11. Brock Robert J. (Neenah WI) Meitner Gary H. (Winneconne WI), Nonwoven thermoplastic fabric.
    상세보기
  12. Pall David B. (Roslyn Estates NY), Seamless tubular nonwoven webs and filters thereof.
    상세보기
  13. Schultheiss Wolfram (Birkenau DEX) Schmidt Klaus (Hirschberg DEX), Smooth-surfaced nonwoven fabric.
    상세보기

이 특허를 인용한 특허 (96)

  1. Chen, Franklin M. C.; Huntoon, Andrew E.; Uitenbroek, Duane G.; Wisneski, Anthony J., Absorbent article having a hydrophilic flow-modulating layer.
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  3. von Blücher, Hasso; Heinrich, Peter; Kämper, Stefan; Varga-Molnar, Anna, Adsorptive filtering material with integrated particle-and/or aerosol-filtering function and use thereof.
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  48. Choi Kyung-Ju, Melt blown product formed as a fibrous layered web of filter media.
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