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. 01, 2011
Filed:
May. 16, 2007
Applicants:
Alain Darut, Chatou, FR;
Dominique Gueugnaut, Paris, FR;
Aymeric Lopitaux, Paris, FR;
Inventors:
Assignee:
Gaz De France, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a device and a method for welding two polymer parts via fusion using a heater mat knitted from a resistive wire coated with an insulating varnish, the heater mat being given a final shape. The heater mat is resistive wire having a diameter ranging from 0.2 mm to 0.3 mm, and has approximately parallelepiped meshes, the dimensions of which range from 1.5×3 mmto 2.5×4.5 mm.