Improved Mode of Separating the Fibers of Flax, Hemp, &c., US Patent No. 41350
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US patent specification No. 41,350, granted January 19, 1864 to Robert Tennent Shaw of New York, for a process of freeing flax and hemp fibers from woody matter. The fiber-bearing plant material is soaked in an alkaline solution (preferably caustic potash), washed, then treated with chlorine gas or bleaching-salt solution so the fibers separate easily. A second claim covers moistening the fibers with coal-oil or naphtha to give them a slight curl like wool, which aids carding and spinning.
- Type
- Patent
- Date
- January 19, 1864
- Language
- English
- Pages
- 1
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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