Clamp connector
CA 1324629 C · Owner: Lawson, John Ernest · Inventors: Lawson, John Ernest
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved clamp connector for securing ends of tubular members together in tight sealed relationship and including a pair of semicircular segments having lips to engage the opposite sides of abutting projections on the tubular members, a pressure responsive actuator to preload the segments on the projections, connecting studs between the segments which are loaded by the actuator and blocks of a preselected size to be positioned in supporting relationship to the actuator in its preload position to maintain such preload on the segments and studs after the fluid pressure on the actuator is released. A pressure responsive portion of the blocks allows their quick and positive release when …
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 November 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 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.