Bobbin winder
CA 1101395 A · Owner: Rockwell International Corporation · Inventors: Iannucci, Vincent A.; Haehnel, Rudolph H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A bobbin winding machine in which a plurality of individual strands are withdrawn from separate single end supply spools and guided to a location where they are simultaneously wrapped about the outer periphery of a metering wheel. The strands leave the metering wheel in the form of a band of contiguous strands of equal length which are then caused to pass through a positioning device that is effective in maintaining equal length of the individual strands forming the band. The positioning device provides a line of pivot which is common to each of the strands during swinging movement of the band by a traversing apparatus spaced from the positioning device which …
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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 May 19, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 1998.
- 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.