The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 2001
Filed:
Oct. 12, 1999
Applicant:
Inventors:
Alain Blanchard, Gouvieux, FR;
Francois Recolet, Breuil-le-Vert, FR;
Assignee:
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 2/334 ; B65H 4/304 ; B41F 1/354 ;
U.S. Cl.
CPC ...
B65H 2/334 ; B65H 4/304 ; B41F 1/354 ;
Abstract
A device for automatically catching a torn material web running through a rotary printing machine includes a pair of clamping rollers, respectively, disposed beneath and above the material web, the rollers being rotatingly entrainable and being able to clamp the web when a web tear is detected, at least one of the clamping rollers having variable outer main dimensions, and an actuator connected to the at least one clamping roller for causing the outer main dimensions thereof to increase upon detection of a web tear, so as to clamp the torn material web between the clamping rollers.