A conveyor installation for workpiece carriers
CA 2044006 A1 · Owner: Tetra Laval Holdings & Finance S.A. · Inventors: Persson, Anders; Pettersson, Leif
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
i -, Abstract, A conveyor installation has a track (3) driven to run endlessly about two deflector wheels (100 101) and, supported by means of guide rails (1 1', 2), for the, conveyance of workpiece carriers which are designed for instance as boxes to accommodate packagings for liquids. The track (3) has two straight portions (3a 3b). So that it is possible without any cumbersome dismantling work to clean such an installation thoroughly while at the same time providing accurate guidance for the workpieces being conveyed, positioning them precisely at the processing stations, it is according to the invention proposed that the track (3) comprise, closed in itself a, row of links (4) which …
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
- Filed June 6, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 6, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 2013.
- 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.