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Introduction of fiber-free foam into, or near, a headbox during foam process web making

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • D21F-001/02
출원번호 US-0923250 (1997-09-04)
발명자 / 주소
  • Rokman Kay,FIX
  • Jansson Juhani,FIX
출원인 / 주소
  • Ahlstrom Paper Group Oy, FIX
대리인 / 주소
    Nixon & Vanderhye P.C
인용정보 피인용 횟수 : 22  인용 특허 : 6

초록

In a foam laid process for producing a non-woven web of fibrous material (such as of synthetic or cellulose fibers) substantially fiber free foam is introduced at various locations in or adjacent to a headbox to get improved results. By introducing pure foam into the foam-fiber mixture near (e.g. ju

대표청구항

[ What is claimed is:] [9.] A method of producing a non-woven web of fibrous material, using a headbox, a moving foraminous element, and a surface of the headbox, said method comprising the steps of:(a) feeding a first foam slurry of air, water, fibers, and surfactant into the headbox and into conta

이 특허에 인용된 특허 (6)

  1. Cheshire James O. (Neenah WI) Lindgren Douglas L. (Appleton WI) Marinack Robert J. (Oshkosh WI) Janda Bruce W. (Neenah WI) Thut Robert S. (Green Bay WI) Larkey John T. (Green Bay WI) Jostad Ray E. (G, Apparatus and method for the manufacture of a non-woven fibrous web.
  2. Cheshire James O. (Neenah WI) Marinack Robert J. (Oshkosh WI) Van den Akker Johannes A. (Appleton WI) Lindgren Douglas L. (Appleton WI), Apparatus and method for the manufacture of fibrous webs.
  3. Robertson Neil George Douglas (Marlow EN), Apparatus for producing a foamed fibre dispersion.
  4. Keller Martin B. (Hudson Falls NY), Inclined multiplyformer.
  5. Wallace Peter L. (High Wycombe GB2) Willis Anthony J. (Marlow GB2), Process and apparatus for forming particulate layers.
  6. Brandon Ralph E. (Monroe NY) Davis Charles J. (Goshen NY) Ring Michael (Warwick NY) Swenson Roy S. (Central Valley NY), Viscous dispersion for forming wet-laid, non-woven fabrics.

이 특허를 인용한 특허 (22)

  1. Capizzi, Joseph G., Application of foam to tissue products using a liquid permeable partition.
  2. Rökman, Kay; Jansson, Juhani; Kostamo, Harri; Bohm, Juha, Chopped strand non-woven mat production.
  3. Rokman Kay,FIX ; Jansson Juhani,FIX ; Laine Eino,FIX, Foam process web formation using pressure removal of fluid.
  4. Kay Rokman FI; Juhani Jansson FI, Foam process web production with foam dilution.
  5. Capizzi, Joseph G., Foam treatment of tissue products.
  6. Blomqvist,Rainer; Kostamo,Harri; Laine,Eino; Rokman,Kay, Method and apparatus for foam forming.
  7. Liu, Kou-Chang; Heiden, Daniel Vander; Chuang, Strong C., Method for applying softening compositions to a tissue product.
  8. Liu, Kou-Chang, Method for the application of hydrophobic chemicals to tissue webs.
  9. Vander Heiden, Daniel J.; Schroeder, Wen; Gunn, Alexander F., Method of applying a foam composition onto a tissue and tissue products formed therefrom.
  10. Capizzi, Joseph G., Method of applying a foam composition to a tissue product.
  11. Kiiskinen, Harri; Torniainen, Esa; Kinnunen, Karita, Method of forming a fibrous product.
  12. Capizzi, Joseph George; Chuang, Strong C., Method of using a nozzle apparatus for the application of the foam treatment of tissue webs.
  13. Capizzi, Joseph George; Chuang, Strong C., Nozzle apparatus having a scraper for the application of the foam treatment of tissue webs.
  14. Capizzi, Joseph G., Process for applying a liquid additive to both sides of a tissue web.
  15. Kinsley, Jr., Homan B.; Peart, Christopher B., Process for making a sheet of aramid fibers using a foamed medium.
  16. Jonathan George FR; Andrea Grosso IT; Raimo Piittala FI; Kay Rokman FI; Kaj Back FI, Production of reactive material containing webs.
  17. Liu,Kou Chang; Shannon,Tom G.; Allen,Peter J.; Carlow,Geof; Goulet,Mike; Burden,Paul; Aykens,Greg; Capizzi,Joe; Hunt,Thomas; Linskens,Diane; Wendler,Roger; Wnek,John, Single ply tissue products surface treated with a softening agent.
  18. Liu, Kou-Chang; Wendler, Jr., Roger E.; Allen, Peter J.; Beuther, Paul D., Soft paper product including beneficial agents.
  19. Liu,Kou Chang; Wendler, Jr.,Roger E.; Allen,Peter J.; Beuther,Paul D., Soft paper product including beneficial agents.
  20. Moline,David Andrew; Burghardt,Dale Alan; Shannon,Thomas Gerard, Soft tissue hydrophilic tissue products containing polysiloxane and having unique absorbent properties.
  21. Shannon, Thomas Gerard; Lorenz, James Daniel; Moline, David Andrew; Runge, Troy Michael; Schulz, Thomas Hampshire, Soft tissue products containing selectively treated fibers.
  22. Capizzi, Joseph G., Use of gaseous streams to aid in application of foam to tissue products.
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