Rotary and/or linear sliding gate valve for an outlet of a vessel containing a metal melt and valve members for such a valve
CA 1338004 C · Owner: Didier-Werke Ag · Inventors: Gimpera, Jose
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A valve for an, in particular elongate outlet of a, vessel containing a metal melt comprises a fixed refractory valve member with inlet and outlet openings and a refractory valve member which is sealingly movable relative to it with a connecting passage for connecting the inlet and outlet openings in the open position of the valve. In order to avoid openings for the connecting passage, the movable valve member has at least one recess extending over the peripheral surface of the movable valve member as the connecting passage.
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 January 30, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2013.
- 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.