Method and apparatus for consolidating particle board
CA 1075140 A · Owner: Hawker Siddeley Canada Ltd. · Inventors: Nyberg, Donald W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A press and method of operation for forming particle board wherein a fiber mat to be compressed is positioned between a pair of peripherally sealed platens through the upper one of which steam is injected when the platens are moved together to compress the fibrous mat and wherein, after a pre-determined time steam is exhausted, from between the two platens and the platens allowed to separate slightly while still compressing the mat to allow steam trapped in the mat to escape slowly before the platens are fully separated.
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 April 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 1997.
- 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.