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:
Feb. 28, 1978
Filed:
Dec. 02, 1976
Applicant:
Inventor:
Edwin D Ditto, Bloomfield Hills, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B29F / ;
U.S. Cl.
CPC ...
264255 ; 264246 ; 264255 ; 264279 ; 264325 ;
Abstract
A method of compression molding a special purpose coating or skin onto the surface of a freshly molded polymeric substrate, including the steps of: injecting a skin-forming material between the surface to be coated and the die forming that surface such that the substrate is hydraulically immobilized within the mold cavity during separation of the die from the substrate surface, and thereafter compression molding the skin-forming material over the surface.