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K. A. Oesterheld received US Patent No. 3,337,922 on August 29, 1967.
The patent's description opens:
This invention relates to a device for dressing the bunch-like adhered asbestos natural state fibres separated from the source rock, in which the fibre bunches suspended in a liquid are passed between friction surfaces under high, controllable hydraulic pressure so that the fibres are bent to and fro in constantly varying directions and thereby the fibre bunches are opened up.
- Author
- K. A. Oesterheld
- Published by
- US Patent Office
- Series
- US Patent No. 3,337,922
- Date
- August 29, 1967
- Library no.
- ACL Doc 22192 · asbestosclaims.law/library/22192
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 541 KB
Where it was listed
- Asbestos, October 1967, in its patents department (the year's issues)
Cite this document
K. A. Oesterheld. “Device for dressing crude asbestos (US Patent 3,337,922, 1967).” August 29, 1967. US Patent No. 3,337,922. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22192. https://asbestosclaims.law/library/22192.
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