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:
Oct. 04, 1994
Filed:
Jul. 31, 1991
Applicant:
Inventors:
Hans-Friedrich Neuhoffer, Konigsbronn, DE;
Wolfram Rittweger, Konigsbronn, DE;
Erich Vomhoff, Konigsbronn, DE;
Assignee:
Schwabische Huttenwerke GmbH, Aalen-Wasseralfingen, DE;
Primary Examiner:
Int. Cl.
CPC ...
A01B / ; A01G / ;
U.S. Cl.
CPC ...
2989531 ; 298953 ;
Abstract
The present invention is a method for forming grooves in rolls which are suitable for working web-like materials, wherein a laser source directs a laser beam and an aligned conduit directs a pressurized gas jet onto the roll surface, the roll material thus being removed in a sharply defined area and a groove thereby being formed.