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John Allen Heany received US Patent No. 1,671,425 on May 29, 1928, filed August 1, 1925.
The patent's description opens (from the scanned text):
This invention relates to the manufacture of yarns and more particularlyto a method of and apparatus for making yarns from strips of material such as paper. -In making yarns from short fibered and non-coherent material, such for example, as short asbestos fiber, it has been customary to mix the short fibers with longer-fibers of other material and to form rovings from which the yarns are made.
- Author
- John Allen Heany
- Published by
- US Patent Office
- Series
- US Patent No. 1,671,425
- Date
- May 29, 1928
- Library no.
- ACL Doc 21792 · asbestosclaims.law/library/21792
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 7 pages · 682 KB
Where it was listed
- Asbestos, July 1928, in its patents department (the year's issues)
Cite this document
John Allen Heany. “Asbestos Yarn, Process and Apparatus for Making (US Patent 1,671,425, 1928).” May 29, 1928. US Patent No. 1,671,425. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21792. https://asbestosclaims.law/library/21792.
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