Stretching means for braking a web of plastic sheet which is pulled offa reel
CA 1300184 C · Owner: RõYNEBERG, ERLING · Inventors: RõYNEBERG, ERLING
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a stretching means for braking a web of plastic, sheet which is pulled off a reel. The stretching means comprises an arm which is mounted to be slewable, about an axis extending in parallel with the axis of said plastic, sheet reel a first roller which, is pivotally mounted on arm and is intended to be made to rest against reel . Furthermore, the stretching, means comprises a second roller which is pivotally mounted on arm, to receive a loop of plastic sheet web which is pulled off said reel, to cause said second roller to be pulled towards said reel , and a, drive connection between said two rollers causing the plastic, sheet web to be stretched in zone between 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 May 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 2009.
- 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.