Apparatus for laminating and shaping foam
CA 1340652 C · Owner: Elliott, George M. · Inventors: Elliott, George M.; Avery, Michael L.; Solomon, Archie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for shaping a piece of porous resilient material or for laminating steam permeable material to a porous substrate is disclosed. The apparatus comprises a top contoured die which is perforated across its contact surface and which has an enclosed chamber behind its contact surface which is in communication with the perforations of the die. A complementary bottom die (optional) is also perforated across its contact surface. Hot melt adhesive is interleaved between the steam permeable material and the porous substrate. The top die is adapted to be preheated prior to pressing it and the workpiece together. Means are provided to deliver a shot of superheated steam through 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
- Granted July 13, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2016.
- 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.