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:
Jun. 02, 1981
Filed:
Apr. 26, 1979
Applicant:
Inventors:
Dag Bergloff, Graz, AT;
Alois Wohlfarter, Graz, AT;
Otto Heissenberger, Graz, AT;
Martin Muhlhauser, Graz, AT;
Franz Petschauer, Lannach, AT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ; B21H / ; B21K / ;
U.S. Cl.
CPC ...
2914 / ; 29452 ; 29456 ; 29525 ; 29127 ;
Abstract
This invention relates to a method for manufacturing a grooved roller where the grooving is continuous and extends from one rim of the roller to the other, which comprises cutting a groove of slight side angle and in the form of a thread on the periphery of the roller, and then pressing a contoured wire with prestressing into the groove.