Global Patent Index - EP 0742305 B1

EP 0742305 B1 20001220 - Permeable fabrics

Title (en)

Permeable fabrics

Title (de)

Durchlässige Stoffe

Title (fr)

Etoffes perméables

Publication

EP 0742305 B1 20001220 (EN)

Application

EP 96303164 A 19960503

Priority

GB 9508982 A 19950503

Abstract (en)

[origin: EP0742305A1] The invention relates to a laminated fabric which is permeable to gas and/or vapour but possesses water droplet and solid particle barrier properties. The fabric comprises at least two layers of non-woven material, one layer (1; 4; 7) being a compressed fibrous melt-blown material and the other(s) provided by a support layer having an open porous structure. In the examples, the support layers (2; 3,5; 6,8) have a spun-bonded structure. The melt-blown layer (1; 4; 7) of the fabric may be compressed prior to lamination from an average pore size diameter greater than 8 mu m to a diameter approaching or entering a range of pore diameter sizes from 8 mu m down to about 1 mu m preferably between 3-7 mu m and most preferably about 4 mu m. After a point-bonding or calendering technique, the pore diameter of the melt-blown layer (1; 4; 7) will be within the range 1-8 mu m, preferably 2-7 mu m and most preferably between 2-4 mu m. Advantageously, both the melt-blown layers and the spun-bonded layers may comprise polymers of polypropylene and/or polyethylene. The finished fabric may advantageously be useful in a wide range of applications from bedding materials and sportswear to tarpaulins, camping equipment such as tents, and roofing underlays. <IMAGE>

IPC 1-7

D04H 13/00

IPC 8 full level

D04H 13/00 (2006.01); E04D 12/00 (2006.01)

CPC (source: EP)

D04H 13/00 (2013.01); E04D 12/002 (2013.01)

Citation (examination)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0742305 A1 19961113; EP 0742305 B1 20001220; EP 0742305 B2 20040804; DE 69611264 D1 20010125; DE 69611264 T2 20010705; DE 69611264 T3 20050310; GB 9508982 D0 19950621

DOCDB simple family (application)

EP 96303164 A 19960503; DE 69611264 T 19960503; GB 9508982 A 19950503