Global patent index - EP 1065031 A2

EP 1065031 A2 2001-01-03 - Apparatus for transversely perforating a web

Title (en)

Apparatus for transversely perforating a web

Title (de)

Vorrichtung zum Querperforieren von Bahnen

Title (fr)

Dispositif pour la perforation transversale d'une bande

Publication

EP 1065031 A2 (DE)

Application

EP 00112653 A

Priority

DE 19930686 A

Abstract (en)

The device has a rotating perforation knife (10) and a grooved roller (17), which are supported in a machine frame (1,2) on either side of the paper to be perforated. At least one eccentric shaft (13,21) is provided to adjust the spacing between the rotation axes of the knife and the roller. One eccentric shaft may also act as a further adjuster, so that the knife can be adjusted for a larger or smaller width or spacing from the rotation axis.

Abstract (de)

Eine Vorrichtung zum Querperforieren von Bahnen, vorzugsweise von Papierbahnen zur Herstellung von Säcken, besteht aus einem rotierend angetriebenen Perforiermesser und einer Nutwalze, die beide in einem Maschinengestell gelagert sind und zwischen denen die zu perforierende Bahn hindurchläuft. Um die Eintauchtiefe der Zähne des Perforiermessers in die Ringnuten der Nutwalze einstellen zu können, ist mindestens eine Stelleinrichtung zur Veränderung des Abstands zwischen den Drehachsen des Perforiermessers und der Nutwalze vorgesehen. <IMAGE>

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

B26F 1/20; B26D 7/26

IPC 8 full level (invention and additional information)

B31B 1/16 (2006.01); B26D 5/02 (2006.01); B26D 7/26 (2006.01); B26F 1/20 (2006.01); B31B 1/14 (2006.01); B31B 19/14 (2006.01); B31B 19/16 (2006.01)

CPC (invention and additional information)

B26D 7/265 (2013.01); B26D 5/02 (2013.01); B26D 7/2628 (2013.01); B26F 1/20 (2013.01); Y10T 83/4708 (2015.04); Y10T 83/4836 (2015.04); Y10T 83/8749 (2015.04); Y10T 83/9314 (2015.04); Y10T 83/9408 (2015.04)

Designated contracting state (EPC)

AT DE ES FR IT

EPO simple patent family

EP 1065031 A2 20010103; EP 1065031 A3 20031105; EP 1065031 B1 20070103; AT 350202 T 20070115; DE 19930686 A1 20010111; DE 19930686 B4 20051124; DE 50013919 D1 20070215; ES 2277808 T3 20070801; JP 2001026062 A 20010130; JP 4764539 B2 20110907; TW 452531 B 20010901; US 6854370 B1 20050215

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