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:
Aug. 10, 2004

Filed:

May. 16, 2003
Applicant:
Inventors:

Fabrizio Chini, Rovereto, IT;

Renzo Moschini, Bologna, IT;

Emanuela Pieri, Bologna, IT;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/14 ;
U.S. Cl.
CPC ...
F16L 9/14 ;
Abstract

A pipe constituted by an inner wall produced with a first high-performance thermoplastic polymeric material having a distortion temperature under load in accordance with standard HDT-A ISO75 of at least 275° C. and an outer wall produced from a second thermoplastic material belonging to the same family of chemical polymers as the high-performance thermoplastic material and coinjected therewith for production of the pipe itself.


Find Patent Forward Citations

Loading…