EP 1106340 A1 20010613 - Method and apparatus for longitudinally corrugating a web material
Title (en)
Method and apparatus for longitudinally corrugating a web material
Title (de)
Verfahren und Vorrichtung zum Längswellen von Bahnmaterial
Title (fr)
Méthode et dispositif pour onduler longitudinalement un matériau en bande
Publication
Application
Priority
EP 99124637 A 19991210
Abstract (en)
The present invention relates to a method and an apparatus for longitudinally corrugating web materials. The web materials are corrugated with a reduced increase in transverse surface path length by forming single corrugations in consecutive steps. <IMAGE>
IPC 1-7
IPC 8 full level
B31F 1/22 (2006.01)
CPC (source: EP)
B31F 1/22 (2013.01); B31F 1/225 (2013.01)
Citation (search report)
- [X] EP 0364084 A1 19900418 - TORRES MARTINEZ M
- [X] DE 3611134 A1 19871008 - BAUMGARTNER PAPIERS SA [CH]
- [X] US 2494723 A 19500117 - WALLACE ROWE WILLIAM
- [A] DE 601341 C 19340813 - HERMANN ROSENFELD DR
- [DA] US 4806300 A 19890221 - WALTON RICHARD R [US], et al
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)
DOCDB simple family (application)
EP 99124637 A 19991210