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Paul Rene Delaplace received US Patent No. 3,523,080 on August 4, 1970, filed November 18, 1965.
The patent's description opens:
The present invention relates to friction elements intended to cooperate with working surfaces in relative rotation with respect to one another, as it is in particular the case for hinges, bearings, and the like, said elements being essentially constituted by a support of fibres, in particular asbestos fibres, impregnated with a synthetic resin (or other material) and with a lubricant.
- Author
- Paul Rene Delaplace
- Published by
- US Patent Office
- Series
- US Patent No. 3,523,080
- Date
- August 4, 1970
- Library no.
- ACL Doc 22470 · asbestosclaims.law/library/22470
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 269 KB
Where it was listed
- Asbestos, September 1970, in its patents department (the year's issues)
Cite this document
Paul Rene Delaplace. “Friction elements,in particular for hinges and bearings (US Patent 3,523,080, 1970).” August 4, 1970. US Patent No. 3,523,080. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22470. https://asbestosclaims.law/library/22470.
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