Thread storage and feed device
CA 1258364 A · Owner: Sobrevin Societe De Brevets Industriels-Etablissement · Inventors: Sarfati, Alberto G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a thread storage and feed device having a winding body (9) to which the thread (F) passes in order to form a supply which can be withdrawn overhead in the region of a conical widened portion (17) arms (24), being arranged crosswise to the angular fillet (16) of the conical widened portion (17), which arms extend into slots (30) in the region of the conical widened portion (17) of the winding body (9) and are directed towards the corners of a polygon; in order that, in the case of high thread through-put capacity, an orderly large supply of thread can be stored even in the case of the most different and, particularly elastic, threads, the invention proposes that each …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 15, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 15, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.