Linear draw system
CA 1134575 A · Owner: Badische Corporation · Inventors: Hanwell, Gary W.; Stephens, Bernard B. Ii; Rowell, Eugene E. Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for drawing filamentary polymeric material affords simple and efficient string-up from source to take-up without any operator exposure to moving rollers. Provided is a roller assembly having at least three rollers, at least two of which are motorized. The rollers are spaced from each other in a first position which provides, for passage of filamentary polymeric material in a straight line from a source of supply through space between the initially stationary rollers and thence to a means for winding the filamentary polymeric material into a package. Provided also is a mechanism for moving at least one roller to a second position which affords contact of the filamentary polymeric …
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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 November 2, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 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.