Cutting mechanism for a thermal-shrinking film labeling machine
CA 2214184 A1 · Owner: Huang, Fu-Chuan · Inventors: Huang, Fu-Chuan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cutting mechanism installed in a, thermal-shrinking film labeling machine around a cylindrical guide shaft and controlled to cut a tubular thermal-shrinking film being sleeved onto the cylindrical guide shaft, including an annular mounting plate fixedly mounted around the cylindrical guide shaft; a plurality of cutting tool assemblies respectively mounted on the annular mounting plate and equiangularly spaced around the guide shaft, each cutting tool assembly including a rotary tool holder alternatively turned back and forth about an axis within a set angle, a double-edge cutting blade fixedly fastened to the rotary tool holder and turned with it to move over an annular groove around the …
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
- Filed August 28, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2019.
- 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.