Crushing machine
CA 1313857 C · Owner: Akesaka, Toshio · Inventors: Akesaka, Toshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A crushing machine comprises crushing means including a first rotary member rotatable about a first axis and a second rotary member for crushing substances to be crushed in cooperation with the first rotary member, the second rotary member being rotatable about a second axis parallel to or inclined to the first axis and defining, in cooperation with the first rotary member, a crushing chamber for crushing the substances to be crushed, guide means for receiving the substances and the guiding the received substances to the crushing chamber and drive means for rotating the first or second rotary member. Each rotary member includes a rotor and, the guide means includes a hopper. Each rotary …
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 February 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 2010.
- 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.