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Patent Searching and Data


Title:
SEEPING SHEET
Document Type and Number:
WIPO Patent Application WO/2003/048438
Kind Code:
A1
Abstract:
A laminate sheet (1) for use as a seeping sheet which is composed of a long fiber non−woven fabric (2) comprising a synthetic fiber having a high melting point and having a METSUKE of 5 to 30 g&sol m2 and a short fiber non−woven fabric (3) comprising a synthetic fiber having a low melting point and having a METSUKE of 3 to 15 g&sol m2, wherein the non−woven fabric (3) is formed by providing a product in which fibers having a fiber length of 3 to 15mm are randomly dispersed and deposited under a dry condition and then allowing fibers in the product to adhere to one another by heating, and wherein the laminate sheet exhibits a void pore diameter distribution having a single peak and a width for variation of 100 μm or less.

Inventors:
MIYAHARA FUMIO (JP)
YAMAGUCHI NAOKO (JP)
YASUMITSU YASUJI (JP)
Application Number:
PCT/JP2001/010724
Publication Date:
June 12, 2003
Filing Date:
December 07, 2001
Export Citation:
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Assignee:
OHKI CO LTD (JP)
KINSEI SEISHI CO LTD (JP)
MIYAHARA FUMIO (JP)
YAMAGUCHI NAOKO (JP)
YASUMITSU YASUJI (JP)
International Classes:
B32B7/027; D04H5/06; A47J31/06; B01D39/16; B32B5/26; D04H1/42; D04H1/541; D04H1/55; D04H1/559; D04H3/011; D04H13/00; (IPC1-7): D04H1/54; B32B5/26
Foreign References:
JPH0921055A1997-01-21
JPH09271617A1997-10-21
JPH1143855A1999-02-16
JPH0665851A1994-03-08
JPH09268434A1997-10-14
JP2001315239A2001-11-13
Attorney, Agent or Firm:
Tajime, Noboru (Mita 1-chome Tama-ku, Kawasaki-shi Kanagawa, JP)
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