US 9,810,277 B2
Friction material for brake pads and related brake pads
Roberta Alfani, Bergamo (IT); Fabio Corazza, Gorle (IT); Flavio Rampinelli, Urgnano (IT); Andrea Bonfanti, Curno (IT); Paolo Varotto, Curno (IT); Laura Sammarelli, Curno (IT); and Arianna Belotti, Curno (IT)
Assigned to FRENI BREMBO S.P.A., Curno (BG) (IT); and ITALCEMENTI S.P.A., Bergamo (IT)
Appl. No. 14/899,018
Filed by Italcementi S.p.A., Bergamo (IT); and Freni Brembo S.p.A., Curno (IT)
PCT Filed Jun. 16, 2014, PCT No. PCT/IB2014/062258
§ 371(c)(1), (2) Date Dec. 16, 2015,
PCT Pub. No. WO2014/203142, PCT Pub. Date Dec. 24, 2014.
Claims priority of application No. MI2013A0998 (IT), filed on Jun. 17, 2013.
Prior Publication US 2016/0131215 A1, May 12, 2016
Int. Cl. F16D 69/02 (2006.01); C04B 28/04 (2006.01); C04B 111/00 (2006.01)
CPC F16D 69/028 (2013.01) [C04B 28/04 (2013.01); F16D 69/027 (2013.01); C04B 2111/00362 (2013.01)] 9 Claims
1. A friction material for brake pads comprising a binding composition comprising Portland cement type I 52.5R with a Blaine fineness of 6500 cm2/g, water and a multi-component mixture comprising components including a lubricant, an abrasive, a component containing carbon, and a modifier, said components selected from metallic oxides, steel fibres, aramid fibres, chromite, metallic sulphides, graphite, coke, metallic powders, barite and rubber, the binding composition being present in a percentage ranging from 5 to 30% by weight with respect to the total weight of a mixture constituting the friction material.