Title:
AIR-PERMEABLE HEAT-RESISTANT SHEET
Document Type and Number:
Japanese Patent JPH04361653
Kind Code:
A
Abstract:
PURPOSE: To obtain the title sheet not only protecting rainfall but also guarding the surface of the earth from condensation, having an air permeability by Gurley method and water pressure resistance in fixed ranges, respectively, comprising nonwoven fabric composed of three-dimensional network fibers.
CONSTITUTION: The objective air-permeable water-resistant sheet comprising nonwoven fabric composed of three-dimensional network fibers, having 1 second/100ml-1,000 seconds/100ml, preferably 30 seconds/100ml-300 seconds/100 ml air permeability by Gurley method and 500mmH2O-3,000mmH2O, preferably 800mmH2O-2,500mmH2O water pressure resistance. The weight of the objective nonwoven fabric is 25gm2-200gm2.
Inventors:
MIYAKI EISUKE
Application Number:
JP13901591A
Publication Date:
December 15, 1992
Filing Date:
June 11, 1991
Export Citation:
Assignee:
ASAHI CHEMICAL IND
International Classes:
D01D5/11; D01F6/04; D04H1/4291; D04H1/724; (IPC1-7): D01D5/11; D01F6/04; D04H1/42; D04H1/72
Attorney, Agent or Firm:
Aoki Akira (3 outside)
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