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. 23, 2021
Filed:
May. 14, 2019
Applicant:
Itt Italia S.r.l., Lainate, IT;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 69/00 (2006.01); F16D 69/02 (2006.01); B22F 1/02 (2006.01); B22F 1/00 (2006.01);
U.S. Cl.
CPC ...
F16D 69/028 (2013.01); B22F 1/0003 (2013.01); B22F 1/0059 (2013.01); B22F 1/025 (2013.01); F16D 69/026 (2013.01); B22F 2999/00 (2013.01); F16D 2200/0069 (2013.01); F16D 2200/0073 (2013.01); F16D 2200/0086 (2013.01);
Abstract
A friction material, such as those belonging to the NAO or LS classes. The friction material is substantially free from copper and includes non-spherical particles in the form of powders and/or fibres each constituted by a preferably ferrous metallic core and by an at least partial coating of core formed at least partially or totally by tin and/or tin compounds, such as intermetallic Fe—Sn compounds.