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Werner Wilke and Hans Fetzer received US Patent No. 3,475,894 on November 4, 1969, filed October 23, 1967.
The patent's description opens:
Our invention relates to the production of strands from dispersions of fibers and more particularly, though not exclusively, to the production of twisted strands of yarn from asbestos by continuously passing a dispersion of fibers in a liquid containing a dispersing agent through a nozzle and subjecting the dispersion issuing from the nozzle to the action of a coagulating or precipitating agent so that a solidified strand is formed.
- Author
- Werner Wilke; Hans Fetzer
- Published by
- US Patent Office
- Series
- US Patent No. 3,475,894
- Date
- November 4, 1969
- Library no.
- ACL Doc 23513 · asbestosclaims.law/library/23513
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 13 pages · 1.2 MB
Where it was listed
- Asbestos, December 1969, in its patents department (the year's issues)
Cite this document
Werner Wilke, Hans Fetzer. “Production of strands from fibrous material,particularly asbestos fibers (US Patent 3,475,894, 1969).” November 4, 1969. US Patent No. 3,475,894. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23513. https://asbestosclaims.law/library/23513.
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