EP 0083543 B1 19860326 - PROCESSES AND APPARATUS FOR THE PRODUCTION OF FIBROUS WEBS
Title (en)
PROCESSES AND APPARATUS FOR THE PRODUCTION OF FIBROUS WEBS
Publication
Application
Priority
FR 8124318 A 19811228
Abstract (en)
[origin: ES8308945A1] The invention concerns the improvement of the fiber distribution in a web or mat, the attenuation of the fibers being effected by means of gas currents. The material delivered in the form of filaments is attenuated in a channel between two gas jets. At the outlet of the channel, the gas current carrying the fibers entrains the ambient air and passes through a guide apparatus containing two walls. The circulation of the air induced between the channel and the guide apparatus is modified by the interposition of baffles. The modification provides for improvement in the uniformity in the fiber web being made.
IPC 1-7
IPC 8 full level
D04H 1/4218 (2012.01); D04H 1/4226 (2012.01); D04H 1/72 (2012.01); D04H 1/732 (2012.01); D04H 1/736 (2012.01)
CPC (source: EP US)
D04H 1/4218 (2013.01 - EP US); D04H 1/4226 (2013.01 - EP US); D04H 1/72 (2013.01 - EP US); D04H 1/732 (2013.01 - EP US); D04H 1/736 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0083543 A1 19830713; EP 0083543 B1 19860326; AT E18781 T1 19860415; CA 1189664 A 19850702; DE 3270191 D1 19860430; DK 547982 A 19830629; ES 518571 A0 19831016; ES 8308945 A1 19831016; FR 2519036 A1 19830701; FR 2519036 B1 19840323; NO 824343 L 19830629; PL 135627 B1 19851130; PL 239653 A1 19830704; US 4487622 A 19841211
DOCDB simple family (application)
EP 82402386 A 19821227; AT 82402386 T 19821227; CA 418592 A 19821224; DE 3270191 T 19821227; DK 547982 A 19821209; ES 518571 A 19821227; FR 8124318 A 19811228; NO 824343 A 19821222; PL 23965382 A 19821221; US 45373382 A 19821227