Apparatus for measuring lifter pressure
CA 1288255 C · Owner: Daiwa Can Company, Limited · Inventors: Masuda, Masayuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improvement in an apparatus for measuring the lifter pressure of a seamer for doubly seaming a can end to a can barrel by clamping a body of the apparatus between a lifter plate and a seaming chuck and elongating the body to a predetermined extent, wherein the sensing of oil hydraulic pressure, transmission of oil hydraulic pressure to a pressure gauge and pointer display of the pressure are changed respectively into the sensing of pressure by a load cell transmis-, sion of the pressure as an electric signal and digital display of the pressure.
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
- Granted September 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2008.
- 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.