Seal device for a high pressure steamer
CA 1069474 A · Owner: Sando Iron Works Co. · Inventors: Sando, Yoshikazu; Ishidoshiro, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A seal device for a high pressure steamer composed of a pair of seal rubber rolls to be pressed against each other mounted on an opening port of each hollowed passage at one end thereof for blocking said opening port formed at the inlet of fabrics to be treated as well as the outlet of treated fabrics respectively provided in a high pressure steamer, sealing plates being in pressed contact with pressure bearing surfaces against the internal pressure of said steamer respectively disposed close near to the pressedly contacting portion of each of said seal rubber rolls for cutting the interior of said steamer off from the exterior thereof, a cylindrical duct accommodated within said hollowed …
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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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
- 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.