EP 0345241 B1 19920311 - METHOD FOR PRODUCING A LAMINATED SECTION COMPRISING A CORRUGATED PART, AND INSTALLATION THEREFOR
Title (en)
METHOD FOR PRODUCING A LAMINATED SECTION COMPRISING A CORRUGATED PART, AND INSTALLATION THEREFOR
Publication
Application
Priority
BE 8800636 A 19880603
Abstract (en)
[origin: US4967581A] To produce an I-section (1) rolled in one piece, of which part (9) of the web (3) is corrugated, the section is passed between two rolls having an increased diameter over a portion of length, and it is subsequently passed between two rollers having a structured surface, so as to carry out a continuous uniform folding.
IPC 1-7
IPC 8 full level
B21D 3/05 (2006.01); B21D 47/01 (2006.01); E04C 3/06 (2006.01); E04C 3/04 (2006.01)
CPC (source: EP US)
B21D 3/05 (2013.01 - EP US); B21D 47/01 (2013.01 - EP US); E04C 3/06 (2013.01 - EP US); E04C 2003/0421 (2013.01 - EP US); E04C 2003/0434 (2013.01 - EP US); E04C 2003/0452 (2013.01 - EP US)
Designated contracting state (EPC)
AT CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0345241 A1 19891206; EP 0345241 B1 19920311; EP 0345241 B2 19961023; AT E73515 T1 19920315; BE 1001122 A3 19890725; CA 1313315 C 19930202; DE 68900960 D1 19920416; ES 2029566 T3 19920816; ES 2029566 T5 19970101; US 4967581 A 19901106
DOCDB simple family (application)
EP 89870077 A 19890530; AT 89870077 T 19890530; BE 8800636 A 19880603; CA 601812 A 19890605; DE 68900960 T 19890530; ES 89870077 T 19890530; US 36040989 A 19890602