Invention Grant
- Patent Title: Friction material
- Patent Title (中): 摩擦材料
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Application No.: US11393951Application Date: 2006-03-31
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Publication No.: US07972675B2Publication Date: 2011-07-05
- Inventor: Yoshihito Fujimaki , Yuko Higashijima
- Applicant: Yoshihito Fujimaki , Yuko Higashijima
- Applicant Address: JP Nishikamo-gun, Aichi-ken
- Assignee: Aisin Kako Kabushiki Kaisha
- Current Assignee: Aisin Kako Kabushiki Kaisha
- Current Assignee Address: JP Nishikamo-gun, Aichi-ken
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2002-357094 20021209; JP2003-410009 20031209
- Main IPC: B05D5/00
- IPC: B05D5/00 ; C08J5/14

Abstract:
A friction material has a resin amount distribution that is the largest at a portion near a non-friction surface, that becomes lower toward an inside and that is the lowest at a portion near a friction surface. For example, such friction material is manufacture as follows. First, two friction materials are overlapped while the friction surfaces faced with each other. Then, the friction materials are dried at a room temperature. At this time, the resin has such a characteristic as to move while dragged by a solvent that dries from the non-friction surface located outside. Using such characteristic, the resin amount at the portion near the friction surface is lessened. Then, a temperature at the friction surface is made low and a temperature at the non-friction surface is made high in a drying step of the friction material. Thereby, the resin amount at the portion near the friction surface is lessened.
Public/Granted literature
- US20060172112A1 Friction material and its manufacturing method Public/Granted day:2006-08-03
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