Method and apparatus for producing plastics bags
CA 1161679 A · Owner: Fmc Corporation · Inventors: Debin, Rene F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bag-making machine is disclosed for producing bags from thermoplastic web material. A device (86) for grasping and transferring web segments in a circular path for reception by an accumulating device(20) serves to grasp adjacent opposed edges and transfers them through an arc to an accumulating device which includes posts (90). Accumulation of web segments occurs on a bag stack accumulating and transporting device located between the web transfer device and it includes an indexing system (98) for translating the stacking posts away from the stacking station. The web segments are subsequently cut and/or joined along a line located centrally of the web segments at a station (102) to thereby …
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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 February 7, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 7, 2001.
- 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.