Leno Heddles, US Patent No. 3990481
Sample pages
Page 5, at reduced quality. Open the document to read every page in full.
US Patent 3,990,481 (Martin Graf, assigned to Grob & Co., Horgen, Switzerland; granted 9 November 1976) describes a wear-resistant leno heddle with a doup and two lifting heddles. The lifting heddles are moulded in one piece from plastic with varying cross-sections, and may contain embedded metal reinforcing inserts. The scan includes a 2002 web printout of the patent text and the original printed patent with drawings (Figs. 1-6), background on steel welded heddles, and 12 claims.
- Type
- Patent
- Date
- November 9, 1976
- Language
- English
- Pages
- 7
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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