Mold clamping device
CA 1286074 C · Owner: Nissei Jushi Kogyo Kabushiki Kaisha · Inventors: Takada, Minoru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mold clamping device is disclosed. The device includes a clamping ram, whose front end is connected to a movable board of an injection molding machine, etc. is slidably fitted in a clamping cylinder, and a support cylinder is provided in parallel to the clamping cylinder A support piston is slidably positioned in the support cylinder, and the front end of the rod of the support piston is connected to the movable board of the injection molding machine. A front chamber and a rear chamber of the clamping cylinder divided by the piston section of the clamping ram and a front chamber of the support cylinder are connected by an oil path. There is provided a means for opening or closing the …
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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 July 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 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.