Sieve machine
CA 1203780 A · Owner: "Rhewum"Rheinische Werkzeug-Und-Maschinenfabrik G.M.B.H. · Inventors: Blachetta, Wolfram; Peterling, Horst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sieve machine, consists of a sieve box and a sieve mesh that is directly movable by means of bumpers distributed over its surface and mounted, on striker bars that are arranged beneath the sieve mesh. The striker bars project from rods oriented transversely to the direction of movement of the material to be sieved and installed so as to be fixed in a frame. The striker arms have pivot levers that are caused to oscillate through the medium of a common push rod driven by a vibrator. In order to provide for an even better match between the sieve machine and the sieve behaviour of the material to be sieved, which also provides for simpler production a) the rods are mounted at their ends by …
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 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 2003.
- 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.