US 12,435,764 B2
Anti-noise shim
Gino Fronzoni, Rome (IT); and Francesco Surace, Turin (IT)
Assigned to Omnia Advanced Materials S.r.l., Alife (IT)
Appl. No. 17/924,129
Filed by OMNIAFIBRE S.R.L., Alife (IT)
PCT Filed May 17, 2021, PCT No. PCT/IB2021/054200
§ 371(c)(1), (2) Date Nov. 9, 2022,
PCT Pub. No. WO2021/234533, PCT Pub. Date Nov. 25, 2021.
Claims priority of application No. 102020000011902 (IT), filed on May 21, 2020.
Prior Publication US 2023/0175561 A1, Jun. 8, 2023
Int. Cl. F16D 65/00 (2006.01); F16D 65/097 (2006.01); F16D 69/00 (2006.01); F16D 69/04 (2006.01)
CPC F16D 65/0006 (2013.01) [F16D 65/0971 (2013.01); F16D 2069/007 (2013.01); F16D 2069/0441 (2013.01)] 18 Claims
OG exemplary drawing
 
1. Anti-noise shim comprising at least a perforated metal layer and at least a high temperature resistant layer faced/coupled together by mechanical bonding wherein the perforated metal layer comprises through holes and mechanical bonding means, and the high temperature resistant layer comprises fibers, a filler and a binder material, said perforated metal layer is characterized by leaving voids in the metal due to the through holes and sharped/pointed mechanical bonding means jointly/united with the perforated metal layer and, where present, located at the edge of the through holes on at least a mechanically bonding surface of the perforated metal layer.