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Yasunobu Yamamoto, Ryoichi Tomikawa, Kazuo Ueda, Makoto Imao, Toshio Suzuki and Tomio Inoue received US Patent No. 4,146,527 on March 27, 1979, filed November 1, 1977. It was assigned to Aisin Seiki Co Ltd.
The patent's abstract:
An improvement is disclosed in the dry method for manufacturing friction materials of the resin mold type, especially brake lining pads, which comprises uniformly mixing graphite particles and a phenolic resin in a liquid form, solidifying the mixture, grinding the solidified mixture, and using the ground material as a binder in forming a friction member of the resin mold type. The binder has a graphite powder content of 2-31 wt.% and a phenolic resin content of 69-98 wt.%. Brake linings of improved wear resistance and fade resistance can be produced using this improved method.
- Author
- Yasunobu Yamamoto; Ryoichi Tomikawa; Kazuo Ueda; Makoto Imao; Toshio Suzuki; Tomio Inoue
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,146,527
- Date
- March 27, 1979
- Library no.
- ACL Doc 23026 · asbestosclaims.law/library/23026
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 391 KB
Where it was listed
- Asbestos, June 1979, in its patents department (the year's issues)
Cite this document
Yasunobu Yamamoto, Ryoichi Tomikawa, Kazuo Ueda, Makoto Imao, Toshio Suzuki, Tomio Inoue. “Method for manufacturing a friction material of the resin mold type (US Patent 4,146,527, 1979).” March 27, 1979. US Patent No. 4,146,527. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23026. https://asbestosclaims.law/library/23026.
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