Method and apparatus for covering flexible symmetrical angulate tubes with sheet material
CA 1189433 A · Owner: Ab Akerlund & Rausing · Inventors: Jeppsson, Jan-Bertil; Quist, Bo T.; Piltz, Lars-Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to the covering with sheet material of flexible symmetrical non-rotatable tubes espe-, cially components of packages. By utilizing the resilient cross-sectional deformability of the tubes there is provided, a method and apparatus where the tube is mounted onto a cylindrical mandrel having a circumference corresponding essentially to the inner circumference of the tube and thereafter applying the sheet material by an adhesive lamination around essentially the entire circumference of the tube.
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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 June 25, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2002.
- 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.