Device for continuously winding a continuous elongate element
CA 1137950 A · Owner: Nitto Boseki Co, Ltd. · Inventors: Kasai, Shin; Kikuchi, Toshiaki; Nakazawa, Koji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for continuously winding a continuous elongate element, especially a strand formed by gathering together a large number of glass filaments drawn from a bushing, provided with two or more main winding spools which are adapted to be brought to a predetermined winding position one by one and an auxiliary winding spools which is normally held in an inoperative position spaced apart from the winding position by such a distance as not to interfere with the operation of the main winding spool in the winding position and whenever the main spool in the winding position becomes full, is brought into engagement with this main spool in coaxial relationship and rotates at the same speed as the …
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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 December 21, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 1999.
- 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.