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:
Nov. 25, 2003
Filed:
Mar. 29, 2000
Applicant:
Inventors:
Laina Guo, Montargis, FR;
Jean-Yves Mounier, Paucourt, FR;
Assignee:
Hutchinson, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/08 ; F16L 9/14 ;
U.S. Cl.
CPC ...
B32B 1/08 ; F16L 9/14 ;
Abstract
Thermoplastic/elastomer composite product, in particular a hose for transporting a coolant for an automobile air-conditioning circuit, comprising an internal layer formed from a plastic alloy comprising a nylon-6 and at least 51% of a modifier chosen from among ethylene-acrylate-acrylic acid terpolymers and a layer formed from a blend of an elastomer, such as a brominated butyl rubber modified by a grafted 1,2-vinyl polybutadiene, a silane, an ethylene-acrylic acid copolymer or an ethylene-propylene copolymer grafted with maleic anhydride, with complete adhesion between the thermoplastic and the elastomer.