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:
Oct. 21, 2003

Filed:

Jun. 12, 2001
Applicant:
Inventors:

David L. Noone, Southfield, MI (US);

Frank L. Mitchell, Rochester, MI (US);

Assignee:

ITT Industries, Inc., White Plains, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 1/100 ;
U.S. Cl.
CPC ...
F16L 1/100 ;
Abstract

A layered tubing for use in a motor vehicle composed of a thick outer tubing having an inner and an outer face, the outer tubing made of an extrudable thermoplastic such as a polyamide like Nylon 12; a thin intermediate bonding layer bonded to the inner face of the thick outer layer, the bonding layer composed of an extrudable melt-processible thermoplastic such as poly butylene terepthalate capable of sufficiently permanent laminar adhesion to the polyamide outer tubing; and an inner layer bonded to the intermediate bonding layer, the inner layer composed of an extrudable, melt-processible thermoplastic such as Nylon 12.


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