SHEET FOR LEACHING - OHKI CO LTD

Title:

SHEET FOR LEACHING

Document Type and Number:

WIPO Patent Application WO/2003/048439

Kind Code:

A1

Abstract:

A sheet (1) for leaching which comprises a laminated sheet being comprised of a long fiber non−woven fabric (2) comprising a synthetic fiber of a high melting point resin having a METSUKE of 5 to 30 g&sol m² and a short fiber non−woven fabric (3) comprising a synthetic fiber of a low melting point resin and having a METSUKE of 3 to 15 g&sol m², characterized in that the short fiber non−woven fabric (3) comprises fibers having a fiber length of 3 to 15 mm being randomly dispersed, deposited, and thermally adhered to one another, and that in a chart of a void diameter distribution of the sheet for leaching, the maximum peak exhibits a distribution percentage ten times or more that of another peak.

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Inventors:

MIYAHARA FUMIO (JP)
YAMAGUCHI NAOKO (JP)
YASUMITSU YASUJI (JP)

Application Number:

PCT/JP2002/012755

Publication Date:

June 12, 2003

Filing Date:

December 05, 2002

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; A47J31/06

Foreign References:

JPH0921055A	1997-01-21
JPH07133574A	1995-05-23
JP2002238768A	2002-08-27

Other References: