Machine for the pneumatic ejection of granular material
CA 1082238 A · Owner: Amazonen-Werke H. Dreyer G.M.B.H. & Co. Kg · Inventors: Dreyer, Heinz; Hulsmann, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A machine for the pneumatic ejection of granular material. The machine comprises a storage tank from which the material is fed through a metering mechanism to a plurality of pipelines connected to a blower. Outer ends of the pipelines are each provided with an outflow aperture arranged at intervals at right angles to a direction of travel of the machine and have an almost right-angled elbow. A baffle plate arranged obliquely in a direction opposite to the direction of travel, is situated in front of each elbow each elbow being, divided into at least two individual bends outer ends of, which are spaced apart at distances (c) as seen in the direc-, tion of the pipelines.
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 July 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 1997.
- 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.