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Richard C. Breiner received US Patent No. 3,692,509 on September 19, 1972, filed August 10, 1970. It was assigned to Nicolet Industries Inc.
The patent's abstract:
AN ABESTOS MILLBOARD PARTICULARLY USEFUL FOR THE MANUFACTURE OF LEHR ROLLS CONSISTS ESSENTIALLY OF ASBESTOS FIBERS, SUCH AS 15-45% BY WEIGHT CHRYSOTILE ASBESTOS FIBERS, 4055% BY WEIGHT ANTHOPHYLLITE ASBESTOS FIBERS AND 0-25% BY WEIGHT AMOSITE ASBESTOS FIBERS. AS A BINDER FOR THE ASBESTOS IN THE MILLBOARD THERE IS PRESENT A SUBSTANTIALLY CALCIUM SILICATE FREE ADMIXTURE CONSISTING ESSENTIALLY OF COLLOIDAL SILICA, CALCIUM LIME AND BENTONITE CLAY, IN THE AMOUNTS 1.5-7% BY WEIGHT, 3-9% BY WEIGHT AND >1.5-5% BY WEIGHT, RESPECTIVELY, BASED ON THE MILLBOARD.
- Author
- Richard C. Breiner
- Published by
- US Patent Office
- Series
- US Patent No. 3,692,509
- Date
- September 19, 1972
- Library no.
- ACL Doc 22859 · asbestosclaims.law/library/22859
- Rights
- US government work, in the public domain.
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Where it was listed
- Asbestos, March 1973, in its patents department (the year's issues)
Cited on this site
Cite this document
Richard C. Breiner. “Lehr roll millboard formed from asbestos fibers and employing colloidal silica-calcium lime and bentonite as a binder (US Patent 3,692,509, 1972).” September 19, 1972. US Patent No. 3,692,509. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22859. https://asbestosclaims.law/library/22859.
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Products this document describes
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Nicolet: Lehr
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