Method of and apparatus for adhering sheet material wrappings and the like
CA 1066582 A · Owner: Acumeter Laboratories · Inventors: Mcintyre, Frederic S.; Mcintyre, Donald B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This disclosure is concerned with wrapping sheet material about cylindrical inserts, such as wrapping cigarette paper about filter inserts, with controlled application of spaced adhesive dots or dashes for securing the material to sections of the insert and synchronously controlled cutting of the same to minimize adhesive collection upon the cutter.
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 November 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 20, 1996.
- 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.