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Fred L. Jackson and John Wilmer Axelson received US Patent No. 3,954,556 on May 4, 1976, filed June 10, 1974. It was assigned to Johns Manville Corp.
The patent's abstract:
An inorganic composition useful as material for Lehr rolls at temperatures above 500 DEG C consists essentially of 15-45% chrysotile asbestos, 40-75% talc component and 2-35% inorganic binder. The composition is also used in manufacturing millboard by forming a water slurry of said composition and transferring said slurry to a rotating screen cylinder, then to a moving belt and then to a rotating drum upon which layers of said slurry accumulate upon each other and are thereafter slit, dried and formed into a flat sheet.
- Author
- Fred L. Jackson; John Wilmer Axelson
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 3,954,556
- Date
- May 4, 1976
- Library no.
- ACL Doc 22724 · asbestosclaims.law/library/22724
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, August 1976, in its patents department (the year's issues)
Cited on this site
Cite this document
Fred L. Jackson, John Wilmer Axelson. “Inorganic composition for high temperature use and method of forming a millboard therefrom (US Patent 3,954,556, 1976).” May 4, 1976. US Patent No. 3,954,556. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 22724. https://asbestosclaims.law/library/22724.
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