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:
Apr. 25, 1989
Filed:
May. 18, 1988
Applicant:
Inventor:
Keith W Christiansen, Fox River Grove, IL (US);
Assignee:
Chicago Rawhide Manufacturing Corporation, Elgin, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425417 ; 295271 ; 295274 ; 425D / ;
Abstract
Apparatus, for molding a seal in an annular metal casing, including core and surrounding mold insert members for engaging and holding the casing against deflection during molding. In re embodiment the casing is tapered and the apparatus is configured to accommodate the casing is tapered and the apparatus is configured to accommode the casing shape. In a second embodiment concentric resilient members are provided to bias the core away from a bold base member.