Fitting clamping device for pressure vessel
CA 2294025 A1 · Owner: Minai, Katsutoshi · Inventors: Koyama, Yoshihisa; Minai, Katsutoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fitting clamping device for pressure vessels in which a fitting mounted on , a mouthpiece (3) on a pressure vessel (2) such as a beer barrel is clampled comprising a clamping torque generating device (25). Wherein swing bases (58 59) are fixedly mounted on a base (32) which can be vertically moved toward and away from the pressure vessel (2) by a lift driving source (31) supported by a lift frame (23) so as to be capable of swinging back and forth and right and left, and a rotation drive source (33) is loaded on the swing base (58) while a clamp output shaft (54) of the rotation drive source (33) is extended downward to detachably couple thereto a clamping head (30) so that a skirt …
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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
- Filed June 17, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 17, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 17, 2020.
- 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.