Gluing device for veneer sheet stacks
CA 2107616 C · Owner: Dubuc, Luc · Inventors: Dubuc, Luc
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The device applies a coating of glue on two longitudinal edges of elongated veneer sheet stacks. The device comprises two sets of glue distributing rollers. Each set is located on a corresponding edge of the stack and comprises an engraved roller and a substantially smooth roller rotating in opposite to the engraved roller. A substantially liquid glue is poured between the rollers for applying it as the stack advances between the sets of glue distributing rollers.
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 October 4, 1993 and granted September 7, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 4, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 4, 2015.
- 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.