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Title:
FILTER MEDIUM
Document Type and Number:
Japanese Patent JP3763996
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To lessen a risk in sewing together a filter medium as far as possible.
SOLUTION: A filter medium is composed of a filter texture 1 comprising a glass fiber covered by a staple fiber 2. The staple fiber 2 is composed of a polymer which is thermally solidified and chemically stabilized, and is bonded to the filter texture 1. The filter texture 1 is at least 350 g/m2 in its area weight and at least 0.5 mm in thickness. A fineness of the staple fiber is 0.80 dtex to 8 dtex, and its incision length is at least 20 mm. The staple fiber 2 is equipped with a polymer cover to be fitted after sewing together, and its weight is at most 40% of total weight of the filter medium.


Inventors:
Eugen Goutsie
Michael Gutsie
Application Number:
JP12743499A
Publication Date:
April 05, 2006
Filing Date:
May 07, 1999
Export Citation:
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Assignee:
M. G. Gutschieund Companie Gezelshyaft Mitt Besilenktel Haftung-Betrieves-Commandate Gezershyaft
International Classes:
B01D39/14; B01D39/08; B01D39/16; B01D39/20; D03D15/00; D04H1/43; D04H1/4318; D04H1/4342; D04H1/48; D04H1/482; D04H5/02; D04H5/12; (IPC1-7): B01D39/14
Domestic Patent References:
JP2135106A
JP58214313A
Attorney, Agent or Firm:
Takao Hamano
Morita Tetsuji