Fire resistant connections and t-like sealing means therefor
CA 1324173 C · Owner: Vetco Gray Inc. · Inventors: Adamek, Frank Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fire resistant connection (12) that embodies a Tlike sealing means (44) and that is operable for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (18, 26), and in particular mating surfaces (18, 26) of the type that commonly are found to be present in wellhead and valve equipment (10). The subject fire resistant connection (12) includes mating seal surfaces (18, 26) and the aforementioned T-like sealing means (44). The T-like sealing means (44) comprises a T-shaped seal ring (44), which includes a plurality of seal lips (46 48) and a, rib (50), the latter (50) being formed on the seal ring (44) so as to be located in interposed relation between a …
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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 November 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 2010.
- 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.