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. 11, 1980
Filed:
Feb. 02, 1979
Applicant:
Inventors:
Wilfried Wallmann, Lengerich of Westphalia, DE;
Manfred Menzel, Lengerich-Hohne, DE;
Dieter Peschel, Lienen-Holzhausen, DE;
Assignee:
Windmoller & Holscher, Lengerich of Westphalia, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23D / ; B26D / ;
U.S. Cl.
CPC ...
83496 ; 83482 ; 83497 ; 83499 ;
Abstract
In a slitting apparatus for a web of material such as paper, comprising a circular knife which, in its operation position, co-operates with one of a plurality of counter-blades defined at the periphery of a grooved roller, the rotary axis of the knife in the operative position of the latter is inclined at an acute angle to the roller axis.