Tramp material separator
CA 1296674 C · Owner: Kvaerner Pulping Aktiebolag · Inventors: Jacobsen, Finn; Ekholm, Rolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Separator for separation of unwanted particles present in fibre pulp, consisting of a housing with two chambers between, which a slot (15) is formed between a stationary ring (14) and a rotating disc (13), in front of which slot a wheel (16) equipped with tooth-like devices (30) rotates. Before the passage of the fibre pulp through the slot the wheel throws out the unwanted particles to an outlet (6), while the accepted pulp with increased speed passes through the slot to the second chamber where it is, discharged by means of a device (18) like a pump wheel. The separator will primarily be used within the fibre pulp industry in order to prevent unwanted particles damaging the following …
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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 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
- 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.