EP 1024218 A3 20020925 - Process for manufacturing a nonwoven material to be used for instance as underroof membrane
Title (en)
Process for manufacturing a nonwoven material to be used for instance as underroof membrane
Title (de)
Verfahren zum Herstellen eines Vlieses, insbesondere zur Verwendung für Unterspannbahnen für Bedachungen
Title (fr)
Procédé de fabrication d'un matériau non-tissé, en particulier pour l'utilisation en tant que membrane de sous-toiture
Publication
Application
Priority
DE 19903663 A 19990129
Abstract (en)
[origin: EP1024218A2] A thermoplastic felt (I), preferably for use as underfelt for roofing, is prepared by the continuous spinning of fibers by extrusion from a melt, forming a felt from the fibers and point bonding followed by calendering and use of a hydrophobic material.
IPC 1-7
IPC 8 full level
D04H 1/54 (2006.01); D04H 1/544 (2012.01)
CPC (source: EP)
D04H 1/54 (2013.01); D04H 1/544 (2013.01)
Citation (search report)
- [X] WO 9722659 A1 19970626 - DU PONT [US]
- [XD] DE 4443157 A1 19960613 - GESSNER & CO GMBH [DE]
- [XD] DE 19642252 A1 19970814 - WIRZ PETER [DE]
- [X] US 5534340 A 19960709 - GUPTA RAKESH K [US], et al
- [X] US 5025052 A 19910618 - CRATER DAVIS H [US], et al
- [A] EP 0855479 A2 19980729 - WIRZ PETER [DE]
- [A] EP 0616831 A1 19940928 - MINNESOTA MINING & MFG [US]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1024218 A2 20000802; EP 1024218 A3 20020925; DE 19903663 A1 20000824
DOCDB simple family (application)
EP 00101710 A 20000127; DE 19903663 A 19990129