Transverse cutter
CA 1073339 A · Owner: Gullfiber Ab · Inventors: Johansson, Jan-Olof; Korpela, Heikki; Spacek, Karel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Means for transverse cutting of a web of cellular plastic fed continuously out of a forming machine which means, includes a stand-mounted reciprocating carriage moving in synchronism with the web in one direction of traverse and at the same time dividing the web into separate lengths by means of cutting devices, characterized especially by the fact that the cutting devices consist of mutually spaced filaments extending transversely across the carriage and capable of simultaneous motion perpendicular to the plane of the carriage.
Read the whole patent
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 March 11, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 11, 1997.
- 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.