Method and apparatus for selective recovery of metal containers
CA 1111380 A · Owner: Miller, John H. · Inventors: Miller, John H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for recovering trash and for recovering metal containers of a preselected type from a collection of trash is disclosed. The apparatus includes hoppers and conveyor means and pneumatic and magnetic separators for removing extraneous debris of predetermined specific weight. The separated containers are crushed and weighed. Compensation is issued in response to the weight of the separated containers. Control means are provided for regulating the flow into the weighing hopper and for dumping the hopper after the weighing cycle has been complete. The separated containers are stored in an overhead compartment for collection and transportation. The invention is convenient …
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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 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 1998.
- 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.