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John Allen Heany received US Patent No. 1,681,234 on August 21, 1928, filed July 27, 1923. It was assigned to World Bestos Corp.
The patent's description opens (from the scanned text):
This invention relates to a new process and apparatus for'making yarn from raw herent short-fibred asbestos from a pulp vat onto a belt carrier, moistens the sliver of relatively loose material and deposits the same in a condenser in contacting relationship with a thread or filament, and subsequently twists the reinforced strand into a smooth, compacted and resistant yarn.
- Author
- John Allen Heany
- Published by
- US Patent Office
- Series
- US Patent No. 1,681,234
- Date
- August 21, 1928
- Library no.
- ACL Doc 23412 · asbestosclaims.law/library/23412
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 439 KB
Where it was listed
- Asbestos, November 1928, in its patents department (the year's issues)
Cite this document
John Allen Heany. “Process and Apparatus of Making Asbestos Yarn (US Patent 1,681,234, 1928).” August 21, 1928. US Patent No. 1,681,234. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23412. https://asbestosclaims.law/library/23412.
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