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. 10, 1995
Filed:
Apr. 01, 1992
Applicant:
Inventors:
Georges Derroire, Riom, FR;
Bernard Ragout, Aubiere, FR;
Assignee:
Caoutchouc manufacture et plastiques, Versailles, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
156149 ; 156203 ; 156217 ; 156218 ; 15624411 ; 15624412 ; 15624413 ; 15624414 ; 138125 ; 138126 ; 138127 ; 138128 ; 138137 ; 138141 ; 138151 ; 138153 ;
Abstract
Process for the manufacture of a flexible polymeric structure comprising a sealant barrier, consisting of a multilayer film a few microns thick, oriented longitudinally, in a continuous manner, whereby all of the components of said flexible structure are intimately bonded by a final heat treatment. Flexible polymeric structures manufactured according to this process. Application to the fields of the transport of all fluids and protection against external aggressive agents.