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Method of forming boards of foam polyolefin using needle punching to release blowing agent 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-044/20
출원번호 US-0678949 (1996-07-12)
우선권정보 EP-0121283 (1992-12-15)
발명자 / 주소
  • Fiddelaers Martin,BEX
  • Swennen Leon,BEX
출원인 / 주소
  • Scriptoria N.V., BEX
대리인 / 주소
    Fisher,Christen & Sabol
인용정보 피인용 횟수 : 14  인용 특허 : 26

초록 ▼

A board of foamed polyolefin is extruded and is foamed with a blowing agent that can be halogen-free hydrocarbon or CO.sub.2. To reduce the content of blowing agent, the board is needle-punched within three hours after extrusion to a perforation depth in the range of 60 to 97% of the board thickness

대표청구항 ▼

[ What is claimed is:] [1.] A process for the production of a foam board, comprising extruding or ejecting polyolefin foamed with a blowing agent selected from the group consisting of halogen-free hydrocarbon and CO.sub.2 to the shape of a board, and, between about one hour and about three hours aft

이 특허에 인용된 특허 (26)

  1. Malone Bruce A. (Granville OH), Coalesced polyolefin foam having exceptional cushioning properties.
    상세보기
  2. Yamaji Katsuhiko (Kyoto JPX) Ishida Masahiko (Yokohama JPX) Tsukamoto Masahiro (Takatsuki JPX), Composite molded articles and process for producing same.
    상세보기
  3. Park Chung P. (Pickerington OH), Expandable polyolefin compositions and preparation process utilizing isobutane blowing agent.
    상세보기
  4. Rubens Louis C. (Midland MI) Alexander Willard E. (Midland MI), Expandable synthetic resinous thermoplastic particles, method for the preparation thereof and the application therefor.
    상세보기
  5. Hovis Edward E. (Newark DE) Johnson Eric D. (Wilmington DE) Schroeder Michael J. (Newark DE), Extruded ethylenic polymer foam containing both open and closed cells.
    상세보기
  6. Hovis Edward E. (Newark DE) Johnson Eric D. (Wilmington DE) Schroeder Michael J. (Newark DE), Extruded ethylenic polymer foam containing both open and closed cells.
    상세보기
  7. Rohn Charles L. (Bridgewater NJ), Flexible plastic foam.
    상세보기
  8. Collins Frederick H. (Glens Falls NY), Method and apparatus for making large size, low density, elongated thermoplastic cellular bodies.
    상세보기
  9. Lee Shau-Tarng (Oakland NJ) Oiestad Andrew (New Providence NJ), Method for accelerating removal of residual blowing agent from extruded flexible foams.
    상세보기
  10. Kolosowski Paul A. (Dublin OH), Method for providing accelerated release of a blowing agent from a plastic foam.
    상세보기
  11. Kolosowski Paul A. (Granville OH), Method for providing accelerated release of a blowing agent from a plastic foam.
    상세보기
  12. Malone Bruce A. (Granville OH), Method of providing closed-cell polyolefin foam having reduced blowing agent content to the end user.
    상세보기
  13. Pontiff Thomas M. (Gansevoort NY) Rapp Joseph P. (Franklin Lakes NJ), Methods for rapid purging of blowing agents from foamed polymer products.
    상세보기
  14. Forsythe George (Andover MA), Needle-punched laminate.
    상세보기
  15. Yoshizawa Iwao (Tsuzuki JPX) Shibata Tomoyoshi (Uji JPX) Kaji Kanako (Osaka JPX) Hatada Motoyoshi (Neyagawa JPX), Non-flammable open-cell cross-linked polyolefin foam and method for production thereof.
    상세보기
  16. Park Chung P. (Pickerington OH), Novel olefin polymer compositions and foamed articles prepared therefrom having improved elevated temperature dimensiona.
    상세보기
  17. Park Chung P. (Pickerington OH), Novel olefin polymer compositions and foamed articles prepared therefrom having improved elevated temperature dimensiona.
    상세보기
  18. Browers Scott D. (Cloquet MN) Wiegand Donald E. (Minneapolis MN), Oil sorbent material made by opening cells of a closed cell foam.
    상세보기
  19. Park Chung P. (Pickerington OH), Process for making a dimensionally-stable open-cell polypropylene foam with organic blowing agents.
    상세보기
  20. Doerfling Ralph G. (Walled Lake MI), Process for making resilient laminar panel.
    상세보기
  21. Yamaji Katsuhiko (Kyoto JPX) Ishida Masahiko (Yokohama JPX) Tsukamoto Masahiro (Takatsuki JPX), Process for producing composite molded articles from nonwoven mat.
    상세보기
  22. Ronc Walter (Drisglerstrasse 43 8107 Buchs,ZH CHX), Sandwich-structured double layer floor covering.
    상세보기
  23. Romanillos ; Federico Hernando, System in an industrial polyexpansion process.
    상세보기
  24. Rogers John E. (Saratoga Springs NY) Kisner Ronnie D. (Queensbury NY), Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same.
    상세보기
  25. Volland Robert (Leverkusen DEX) Freitag Hans-Albrecht (Bergisch Gladbach DEX) Seesing Johannes (Leverkusen DEX) Bergmann Herbert (Kuerten-Broich DEX), Upholstered seat having an air-permeable covering and a cold foam core.
    상세보기
  26. Legg Warren F. (Worthington KY) Willis Wilfred E. (Grayson KY), Variable thickness foam plank.
    상세보기

이 특허를 인용한 특허 (14)

  1. Park,Chung P., Acoustic absorption polymer foam having improved thermal insulating performance.
    상세보기
  2. Park, Chung P., Acoustical open-cell polylefins and process for making.
    상세보기
  3. Lee Shau-Tarng, Extruded polyolefin foam in thicker grades and plank and process therefor.
    상세보기
  4. Mungo Darren B. ; Owensby Joseph E., Foam packaging tray and packaging method using same.
    상세보기
  5. Maurizio Brandolini IT, Foam plank laminate.
    상세보기
  6. Vo, Chau V.; Swartzmiller, Steven B.; Maurer, Myron J.; Calhoun, Marisa, Foams for vehicular energy absorbance.
    상세보기
  7. Koenig, Jean-Francois; Wilhelm, Fernand, Laminated perforated acoustical foam.
    상세보기
  8. Park, Chung P.; Subramonian, Suresh; Burgun, Sandrine, Macrocellular polyolefin foam having a high service temperature for acoustical applications.
    상세보기
  9. Tackett, Timothy; Letts, John B., Method and apparatus to monitor the compressive strength of insulation boards.
    상세보기
  10. Shau-Tarng Lee ; Maurizio Brandolini IT, Method of forming a partially perforated foam.
    상세보기
  11. Lee Shau-Tarng ; Brandolini Maurizio,ITX, Partially perforated foam.
    상세보기
  12. Park, Chung P., Perforated foams.
    상세보기
  13. Park, Chung P., Perforated foams.
    상세보기
  14. Park, Chung P.; Brucker, Michel; Eschenlauer, Georges; Schaller, Michael E.; Koenig, Jean-Francois, Polyolefin foam useful for sound and thermal insulation.
    상세보기

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