Kneader
CA 1283403 C · Owner: Moriyama, Masao · Inventors: Moriyama, Masao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention discloses a kneader having a vessel for housing a material to be kneaded rotor, shafts passing through opposite two lateral walls of the vessel, and blades for kneading the material formed at the outer peripheries of the rotor shafts inside of the vessel. In the kneader, those portions of the rotor shafts located inside of the vessel, are straight and an ex-, ternal member having the blades is fitted on each of the rotor shafts at the straight portion thereof. The external members have both ends which extend to the outside of the opposite two lateral walls of the vessel and are, secured to the rotor shafts outside of the opposite two lateral walls of the vessel.
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 April 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 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.