Sieves for scrubbers and in their method of manufacture
CA 1265753 C · Owner: E Et M Lamort · Inventors: Lamort, Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a slotted sieve for a paper pulp scrubber or similar equipment, and to a method for fabricating such a sieve. The sieve is produced by weldless assembling of bars (6) with cross- -members (7), the bars (6) carrying motches (8) the lips of which engage, at least one V-shaped lateral groove (9) formed in each cross-member (1) while the cross-members (7) present, on their face receiving the bars (6) a second set of notches (10) for positioning the bars (6). The cross- -section of the cross-members (7) at the level of notches (10) has the same configuration and dimensions as the cross-section of notches (8) and the cross-section of bars (6) at the level of notches (8) …
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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 February 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2007.
- 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.