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:
Jun. 30, 1992
Filed:
Jul. 25, 1991
Applicant:
Inventor:
Frank S Principe, Hockessin, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
156155 ; 156173 ; 156245 ; 264258 ; 264313 ; 264317 ; 264101 ;
Abstract
Fiber reinforced resin composite structures are cured and fully consolidated while compensating for incomplete initial compaction of prepreg between cores, and the mandrel's thermal growth which spreads the cores apart by forming the structure around a metal alloy form fastened to a mandrel wherein the coefficient of thermal expansion of the metal alloy is greater than that of the mandrel.