US Patent No: 5,482,742

Number of patents in Portfolio can not be more than 2000

Method for reducing green roughness of a brake system during wear-in period

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Importance

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Abstract

A method for reducing green roughness of a braking system and a method of manufacturing a brake system includes coating at least one of the components of the brake system with a boundary layer material. The method is applicable to either the pad of a disc brake system or the brake drum lining and/or the brake shoe of a brake drum system. The coating is either a binder, a filler, a boundary layer lubricant or a mixture thereof. The coating hereof is either graphite, molybdenum disulfide and/or a divalent fluoride, either organic or inorganic. Likewise, a thermoset paint such as an alkyd resin, phenolic resin, epoxy resin or the like can be used for the coating material. The coating eliminates uneven transfer of friction material during the brake wear-in period which creates brake torque vibration which, in turn, increases vehicle sensitivity and brake roughness.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AKEBONO CORPORATION (NORTH AMERICA)FARMINGTON HILLS, MI8

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyazaki, Toshiro Nara, JP 2 17
Sasaki, Yosuke Kanagawa, JP 24 166
Takamiya, Minoru Novi, MI 1 9

Cited Art

Patent Info (Count) # Cites Year
 
ADOLPH COORS COMPANY, A CORP. OF CO (1)
4,900,579 Process for applying and bonding a solid lubricant on a substrate 6 1988
 
ALLIED CORPORATION (1)
4,537,823 Method of manufacturing a friction article 18 1983
 
DURAFILM CORPORATION (1)
4,811,818 Transit rail lubricant applicator 22 1987
 
FERODO LIMITED (1)
4,197,223 Asbestos free friction materials 23 1978
 
FUJI JUKOGYO KABUSHIKI KAISHA (1)
4,502,581 Clutch disk for a clutch and method of treating a facing of a clutch 5 1982
 
GLENNCO TRUST (1)
4,432,922 Process for molding a brake lining friction product 14 1983
 
MINNESOTA MINING AND MANUFACTURING COMPANY (1)
5,083,650 Friction material having heat-resistant paper support bearing resin-bonded carbon particles 47 1991
 
YUKAMELAMIN COMPANY, LIMITED (1)
4,256,591 Lubricant, lubricant composition and method for lubricating a surface 45 1979

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
EXEDY CORPORATION (2)
5,954,585 Damper disc assembly having friction elements each having a different coefficient of friction 9 1996
6,004,213 Damper disc assembly having spring seats for changing a phase relationship of the disc assembly 0 1998
 
ALLIEDSIGNAL INC. (1)
6,167,992 Abrasive coating on brake pads 4 1998
 
FERODO BREMSBELAGE TECHNIK-ZENTRUM GMBH (1)
5,972,090 Stabilizing friction levels 5 1998
 
HONDA GIKEN KOGYO KABUSHIKI KAISHA (1)
5,922,452 Titanium and/or titanium alloy sintered friction material 2 1997
 
HONEYWELL INTERNATIONAL INC. (1)
7,160,618 Antioxidant system for carbon--carbon brake materials with enhanced resistance to humidity exposure 0 2004
 
INSTITUTE OF GAS TECHNOLOGY (1)
5,833,452 Coated metal sintering carriers for fuel cell electrodes 1 1996
 
PARKER, JAMES L. (1)
6,585,089 Coated brake pad and method for smoothing rotor surface and method of manufacture 2 2000
 
PERFORMANCE FRICTION CORPORATION (1)
5,693,402 Brake pad which has been pre-burnished using a high intensity heat source 1 1995