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:
Sep. 20, 1977
Filed:
Feb. 14, 1975
Applicant:
Inventor:
Dieter Lehnhart, Mainz (Rhine), DT;
Assignee:
Glyco-Metall-Werke Daelen & Loos GmbH, Wiesbaden-Schierstein, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
2914 / ; 3082 / ;
Abstract
Collar sleeves lined with bearing material are manufactured by axially upsetting a prepared cylindrical sleeve in a die assembly tool that permits and controls axial thickening of the sleeve wall in the region of the desired collar.