Apparatus for cutting corrugated strip stock at variable lengths
CA 1316443 C · Owner: Wallis, Bernard Joseph · Inventors: Wallis, Bernard Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A machine for corrugating lengths of continuous strip stock that includes first and second sets of corrugation-forming rollers for receiving strip stock from associated coil rolls and feeding corrugating stock to vertically spaced slots in a shared cutting station. Running length of each corrugated strip is measured and the cutting station is controlled so as to obtain severed stock sections of predetermined lengths which, may be variably programmed in a predetermined sequence. The cutting station includes a stationary plate having vertically spaced strip-receiving slots, and a pair of shear blades integrally formed on a shear plate selectively driven by the machine controller through a …
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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 April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
- 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.