Arrangement for charging a furnace in a gas-tight and dust-tight manner
CA 1055786 A · Owner: Didier Engineering G.M.B.H. · Inventors: Busbach, Willi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A furnace has a filling inlet normally closed by a removable cover. An arrangement is disclosed which opens the filling inlet, then fills the interior of the furnace and then recloses, the inlet all in gas-tight and dust-tight manner in order to prevent the free escape of dust and gases to the ambient atmosphere when the cover is removed from the filling inlet. The arrangement includes a housing surrounding the filling inlet and having a discharg ing port and a first opening separate from the discharging port and a filling arrangement which is operative for conveying a charge from the discharging port throug- the interior of the housing and into the filling inlet when the latter is opened. …
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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 June 5, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 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.