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. 23, 1990
Filed:
Jan. 14, 1988
Applicant:
Inventors:
Jacques J Champleboux, Clermont-Ferrand, FR;
Bernard Ragout, Aubiere, FR;
Maurice Rouby, Lezoux, FR;
Assignee:
Caoutchouc Manufacture et Plastiques, Bezons, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138109 ; 138174 ; 138 93 ;
Abstract
Device with flexible hose, particularly for an expandable packer, wherein hose is reinforced by armature layers made of flexible cables disposed helically and is attached at least at one end by compression of said layers against rigid pieces, characterized by the supporting elements and gripping elements, which are coaxial, having nonadhesive conical compression surfaces which diverge toward the end and by at least one wedge provided with slits being driven between reinforcing layers to ensure compression.