Global Patent Index - EP 0459971 B2

EP 0459971 B2 2001-12-12 - Method and apparatus for obtaining curved parts in hollow section strips

Title (en)

Method and apparatus for obtaining curved parts in hollow section strips

Title (de)

Verfahren und Vorrichtung zum Erzeugen gekrümmter Abschnitte in Hohlprofilleisten

Title (fr)

Procédé et dispositif pour obtenir des parties pliées dans les profilés d'écartement creux

Publication

EP 0459971 B2 (DE)

Application

EP 91890106 A

Priority

  • AT 112690 A
  • AT 184090 A
  • AT 198790 A

Abstract (en)

[origin: EP0459971A1] In order to bend a hollow profile strip (53), in particular a hollow profile strip (53) from which a spacer frame for a pane of insulating glass is to be manufactured, the hollow profile strip (53) is held continuously a precisely defined distance to the side and from below, passed under a roller (70) and, after the roller (70) is deflected out of the delivery direction. An apparatus suitable for this purpose has a gripper (52) for the defined advance of the hollow profile strip (53), a roller (70), which rests against the wall of the hollow profile strip (53), the said wall then being situated on the inside of the bend, and holds down the hollow profile strip (53), and a lever (59) with an impact surface (62) for the hollow profile strip (53) after the roller (70). The length and/or the radius of curvature of the bent section (71) of the hollow profile strip (53) can be determined by selection of the extent of the advance of the hollow profile strip (53) and the extent of the deflection of the same. <IMAGE>

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

B21D 53/74; E06B 3/66

IPC 8 full level (invention and additional information)

B21D 7/024 (2006.01); B21D 7/06 (2006.01); B21D 53/74 (2006.01); E06B 3/66 (2006.01); E06B 3/673 (2006.01)

CPC (invention and additional information)

B21D 53/74 (2013.01); E06B 3/67313 (2013.01); E06B 2003/67395 (2013.01)

Citation (opposition)

Opponent :

DE 3807529 A1 19890921 - BAYER ISOLIERGLASFAB KG [DE]

Designated contracting state (EPC)

AT CH DE DK ES FR GB IT LI SE

EPO simple patent family

EP 0459971 A1 19911204; EP 0459971 B1 19940309; EP 0459971 B2 20011212; AT 102513 T 19940315; DE 4116521 A1 19911128; DE 4116521 C2 19980723; DE 59101137 D1 19940414; DK 0459971 T3 19940405; ES 2051110 T3 19940601; ES 2051110 T5 20020716; JP H0768322 A 19950314; NO 179493 B 19960708; NO 179493 C 19961016; NO 911925 A 19911122; NO 911925 D0 19910516

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