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.

Date of Patent:
Sep. 24, 2002

Filed:

Dec. 23, 1998
Applicant:
Inventor:

Michel Paul Morand, Duclair, FR;

Assignee:

Coflexip, , FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 4/702 ;
U.S. Cl.
CPC ...
B29C 4/702 ;
Abstract

It is of the type comprising, from the inside to the outside, a flexible metal tube having a helical winding of turns, an internal sealing sheath arranged around the said flexible metal tube, at least one armouring ply wound around the said internal sealing sheath and at least one external sealing sheath , the internal sealing sheath being extruded onto the flexible metal tube using extrusion means, characterized in that it furthermore consists in heating the said flexible metal tube upstream of the extrusion means and to a temperature below 100° C.


Find Patent Forward Citations

Morand, Michel. (2002). Method for manufacturing a flexible duct (U.S. Patent No. 6454897). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6454897

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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