Air blast dust removing machine
CA 1048715 A · Owner: Usm Corporation · Inventors: Holdsworth, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, An air blast dust removal machine has a jet air projected from at least one alot-like nozzle inclined at an obtuse angle towards an on coming sheet material which is held to a moving permeable conveyor belt. The sheet material is held to the conveyor belt by at least one suction device disposed on the opposite side side of the conveyor belt as the sheet material passes adjacent the jet of air. A second conveyor belt holds the sheet material from its top side by a suction device, and an obtusely projected jet of air blasts dust from the bottom side of the sheet material.
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 February 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
- 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.