Piston assembly for a rotating drum dough dividing apparatus
CA 1164277 A · Owner: Amf Incorporated · Inventors: Cummins, Donald L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: PISTON ASSEMBLY FOR A ROTATING, DRUM DOUGH DIVIDING APPARATUS Inventor: Donald L. Cummins, ABSTRACT, An improved piston assembly for use in a cylinder of a rotating drum type dough divider comprising a sleeve positioned in the cylinder forming seals on both sides of a pair of diametrically opposed guide slots connected to atmosphere and a pair of ducts communicating with the cylinder at opposite ends of the sleeve which are alternately connected to pressure and vacuum, a double acting piston having a head in each end of the cylinder and a piston rod portion extending from each head into the sleeve, and a scaling rod joining the adjacent ends of the piston rod portions together and …
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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 March 27, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2001.
- 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.