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:
Jan. 09, 1979
Filed:
Nov. 08, 1976
Applicant:
Inventor:
Herbert J Sharp, Greenford, GB;
Assignee:
United States Steel Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29D / ;
U.S. Cl.
CPC ...
264528 ; 264527 ; 264523 ; 425525 ;
Abstract
The invention relates to a method of producing an article comprising a hollow three dimensional array of reinforcement elements encapsulated in a thermoplastic material, whereby a hollow parison of said thermoplastic material is located within said array of reinforcement elements, said reinforcement array being located in a mould spaced apart from the mould surface, and said parison being expanded into conformity with said mould surface to encapsulate said reinforcement by the production of a pressure drop across the wall of said parison.