Method and apparatus for compacting low density articles
CA 1289809 C · Owner: Lockman, Michael Wayne · Inventors: Lockman, Michael Wayne; Newsom, Horace Ray
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compactor apparatus comprises a conveyor for supplying articles to a hopper positioned alongside the upper end of a compression chamber in which a platen powered by a hydraulic cylinder is adapted to be reciprocated. The hopper is mounted at one end of a beam balance the displacement of, the other end of which measures the weight of a charge in the hopper. When the presence of a specified charge in the hopper is sensed, the conveyor is disabled the hopper and, hydraulic cylinder with the platen in the retracted position are swung laterally to bring the hopper over the compression chamber to dump the contained articles into the chamber. The hopper and cylinder are then returned to their …
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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 October 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 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.