EP 0074944 A1 19830330 - PRODUCING FORMATIONS IN CONTINUOUSLY PROCESSED MATERIAL.
Title (en)
PRODUCING FORMATIONS IN CONTINUOUSLY PROCESSED MATERIAL.
Title (de)
HERSTELLUNG VON FORMATIONEN AN EINEM MATERIAL IM DURCHLAUFVERFAHREN.
Title (fr)
PRODUCTION DE FORMATIONS DANS UN MATERIAU TRAITE EN CONTINU.
Publication
Application
Priority
GB 8109518 A 19810326
Abstract (en)
[origin: GB2095595A] Sheet metal is passed between a pair of cold forming rolls which form a plurality of projections at one face of the sheet. These projections stiffen the sheet. One roll has a plurality of rows of teeth (4, 5, 6) and the other roll has a number of mating formations (10, 11, 12) each having a length equal to the length of a row of teeth. As viewed along the axes of the rolls, the teeth and the formations have a profile which includes two involute curves.
Abstract (fr)
On fait passer une feuille metallique entre une paire de rouleaux de formage a froid qui forment une pluralite de projections sur une face de la feuille. Ces projections raidissent la feuille. Un rouleau possede une pluralite de rangees de dents (4, 5, 6) et l'autre rouleau possede plusieurs formations correspondantes (10, 11, 12) ayant chacune une longueur egale a la longueur d'une rangee de dents. En regardant le long des axes des rouleaux, les dents et les formations ont un profil qui comprend deux courbes de developpantes.
IPC 1-7
IPC 8 full level
B21D 13/04 (2006.01)
CPC (source: EP)
B21D 13/04 (2013.01)
Designated contracting state (EPC)
AT CH DE FR GB LI LU NL SE
DOCDB simple family (publication)
GB 2095595 A 19821006; GB 2095595 B 19851002; BE 889112 A 19811001; DK 525782 A 19821125; EP 0074944 A1 19830330; ES 502935 A0 19821101; ES 8300524 A1 19821101; FI 811729 L 19820927; GR 75686 B 19840802; IT 1137083 B 19860903; IT 8122234 A0 19810610; NO 823948 L 19821124; WO 8203347 A1 19821014
DOCDB simple family (application)
GB 8109518 A 19810326; BE 205010 A 19810605; DK 525782 A 19821125; EP 81901306 A 19810601; ES 502935 A 19810610; FI 811729 A 19810603; GB 8100095 W 19810601; GR 810165176 A 19810608; IT 2223481 A 19810610; NO 823948 A 19821124