Gamma-irradiation treatment apparatus
CA 1048170 A · Owner: Sulzer Brothers Limited · Inventors: Sieber, Adolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The radiation source frame of a gamma irradiating apparatus is moved into and out of its operative position by elevator means comprising block and tackle and an actuating servo-motor, the servo-motor being operatively associated with the load or slow-motion and of the block and tackle, while the frame is operatively connected with the fast or force-end of the block and tackle. The servo-motor is a pneumatic or hydraulic piston-cylinder motor the supply line, of which is arranged to be gradually throttled when the piston of the motor reaches its end position corresponding to a screened position of the frame. The arrangement thus provides for a relatively rapid but still retarded downward …
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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 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 1996.
- 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.