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. 09, 1990
Filed:
Jul. 06, 1989
Applicant:
Inventors:
Rainer H Andra, Limburg, DE;
Gunter Ullrich, Hemsbach, DE;
Assignee:
Firma Carl Freudenberg, Weinheim/Bergstr, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29173 ; 294695 ; 74574 ; 464 89 ;
Abstract
Process for manufacturing a torsional vibration damping device where a vulcanizable rubber mixture is placed in the interspace between a pot-like hub ring and an inertial ring. The hub ring is permanently expanded in radial direction following the vulcanization of the rubber mixture or the inertial ring is compressed towards the inside.