Apparatus for manufacture of sheets or board units from cellulose or fibre material or shavings
CA 1051468 A · Owner: Defibrator Aktiebolag · Inventors: Asberg, Per; Falkinger, Willard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for producing pressed board and the like in a tiered multi-opening press in which the blank supporting conveyor plates are moved successively between the loading end and the discharge end along a substantially rectangular split-level track pattern in which the longer side portions are located at a level different from that of the two shorter side portions. The loaded plates are introduced into the press at the level of the side portions and at the discharge end are moved to the level of the shorter end portions and conveyed transversely to the opposite corner where in turn they are moved to the level of the shorter end portions and conveyed transversely to the opposite corner and …
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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 March 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 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.