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:
Mar. 07, 2017
Filed:
Mar. 18, 2009
Erick Duno, Limoges, FR;
Philippe Pantier, Lauriere, FR;
Cécile Rommeru, Panazol, FR;
Loïc Adamczak, Roussac, FR;
Erick Lejamtel, Blond, FR;
Erick Duno, Limoges, FR;
Philippe Pantier, Lauriere, FR;
Cécile Rommeru, Panazol, FR;
Loïc Adamczak, Roussac, FR;
Erick Lejamtel, Blond, FR;
Valeo Embrayages, , FR;
Abstract
A friction material intended to equip a device for applying friction in a liquid medium, including a fiber mat impregnated with a heat-curable resin. The fiber mat consists of fibers whose length is greater than or equal to 12 mm, and is teased, coated and needled. The friction material features a porosity greater than or equal to 30% by volume and less than or equal to 60% by volume. The friction material includes activated charcoal loads whose specific surface is between 500 m2/g and whose mass content in the friction material is greater than or equal to 5% by weight and less than or equal to 15% by weight.