Production of wood wool
CA 1069413 A · Owner: Rogers, Bernard T. · Inventors: Rogers, Bernard T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A woodwool producing machine comprises a cutter wheel which is supported with its axis vertical and which has a frusto-conical rim at its outer periphery. The rim tapers upwardly and has a circumferential array of slots formed in it, a cutter assembly which comprises, a pair of cutters for cutting woodwool strands from timber stock, is mounted in each slot. Several timber feed magazines are positioned at spaced intervals around the circumference of the rim and are adapted to support and locate pieces of timber stock against the outer surface of the rim with their grain generally tangential to the rim. The cutter wheel is driven in operation so that strands of woodwool are cut by the cutters …
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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 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.
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.