Global Patent Index - EP 1238725 A2

EP 1238725 A2 2002-09-11 - Metal plate forming apparatus by pulling over a die or "form"

Title (en)

Metal plate forming apparatus by pulling over a die or "form"

Title (de)

Verfahren zur Herstellung von Blechplatten durch Ziehen über ein Werkzeug oder "Form"

Title (fr)

Machine de formage de pièces en tôles par étirage sur un outil ou "forme"

Publication

EP 1238725 A2 (FR)

Application

EP 02290589 A

Priority

FR 0103239 A

Abstract (en)

Shaping machine comprises a frame (1) extending longitudinally either side of a tool (3) arranged transversally on the central part of the frame. Some jaws (12) are arranged either side of the tool, each driven by a quasi-horizontal jack (13) and a quasi-vertical jack (14). Each jaw incorporates a point (32) moving in a longitudinal vertical plane which is maintained in this plane by one of the maneuvering jacks acting on the jaw and in particular a vertical jack. The guidance jack (14) incorporates some pattens (26) arranged on the upper end of its cylinder (22), sliding on some vertical longitudinal plates (29) integral with the frame. The mounting (15) of the jaw is articulated on the end of an axis (31) that is perpendicular to the axis (33) of the jack which is in the guidance plane.

Abstract (fr)

La machine de formage comprend un bâti (1) qui s'étend longitudinalement de part et d'autre d'un outil (3). Cet outil (3) est disposé transversalement à la partie centrale du bâti (1). Des mâchoires (12), disposées de part et d'autre de l'outil, sont actionnées pour chacune d'elles par deux paires de vérins dont des vérins quasi-horizontaux (13) et des vérins quasi-verticaux (14). Chaque mâchoire (12) comporte un point (32) qui est mobile dans un plan longitudinal vertical, et ce point (32) est maintenu dans ce plan au moyen de l'un des vérins de manoeuvre de ladite mâchoire et en particulier un vérin vertical (14). Ce vérin de guidage (14) comporte des patins (26) disposés sur l'extrémité supérieure de son cylindre (22), et ces patins glissent sur des plaques (29) verticales longitudinales solidaires du bâti (1). Le berceau (15) de la mâchoire (12) est articulé sur l'extrémité de la tige du vérin de guidage (14B), au moyen d'un axe (31) qui est perpendiculaire à l'axe (33) dudit vérin (14) et dont l'axe se situe dans le plan de guidage. <IMAGE>

IPC 1-7 (main, further and additional classification)

B21D 25/02

IPC 8 full level (invention and additional information)

B21D 25/02 (2006.01)

CPC (invention and additional information)

B21D 25/02 (2013.01)

Designated contracting state (EPC)

DE ES FR GB

EPO simple patent family

EP 1238725 A2 20020911; EP 1238725 A3 20030115; EP 1238725 B1 20070801; CN 1248793 C 20060405; CN 1381317 A 20021127; DE 60221454 D1 20070913; DE 60221454 T2 20080417; ES 2290257 T3 20080216; FR 2821771 A1 20020913; FR 2821771 B1 20030829; RU 2274506 C2 20060420; US 2002124618 A1 20020912; US 6742371 B2 20040601

INPADOC legal status


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