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. 29, 1991
Filed:
Aug. 28, 1989
Applicant:
Inventor:
Michael W Brace, San Diego, CA (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
428121 ; 156227 ; 156245 ; 264258 ; 2643285 ; 428138 ; 4285428 ;
Abstract
A preform assembly for use with a resin transfer molding apparatus. The preform assembly includes a dry fabric preform and a thin high density foam insert, the preform being folded about and firmly fastened to said insert to form a preform assembly having a stiffened and stabilized preform edge, wherein the edge aids in the insertion of the preform assembly into a mold cavity or channel of the resin transfer mold apparatus. Methods for making such preform assembly and composite article are also disclosed.