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:
Dec. 16, 2014
Filed:
Dec. 27, 2011
Thomas Schürch, Rothrist, CH;
André Meznaric, Bern, CH;
Thomas Schürch, Rothrist, CH;
André Meznaric, Bern, CH;
Hunkeler AG, Wikon, CH;
Abstract
In order to punch a moving material web there are two punching units present, which are arranged one after another in the direction of movement of the material web. Each punching unit has two punching tools, which interact with a rotatably mounted back-pressure cylinder that can be driven. The punching tools are arranged on a rotatably mounted drive shaft that can be driven, and their position can be adjusted in the direction of the longitudinal axis of the latter and locked in various working positions. Each punching tool has a cylindrical base, to the periphery of which a punching strip which is provided with at least one punching shape is fixed such that it can be replaced. The drive shafts can be driven independently of the associated back-pressure cylinder.