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:
May. 12, 1981
Filed:
Apr. 17, 1979
Applicant:
Inventors:
Assignee:
Produits Chimiques Ugine Kuhlmann, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B29C / ;
U.S. Cl.
CPC ...
428422 ; 264112 ; 428323 ; 428325 ; 428328 ; 428329 ; 428330 ;
Abstract
Molded preformed polytetrafluoroethylene structures are comprised of at least one preformed section. The homogeneous PTFE section yields a unitary non-homogeneous polytetrafluoroethylene structure when isostatically molded together with either polytetrafluoroethylene powders or polytetrafluoroethylene preformed sections.