Steam trap
CA 1062987 A · Owner: Gestra-Ksb Vertriebsgesellschaft M.B.H. And Co. Kommanditgesellschaft · Inventors: Lingnau, Josef; Klann, Holm
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A steam trap comprises a heat-controlled element being filled with an expansion medium, the element having two opposed dished wall components and placed therebetween a diaphragm member adapted to operate a closure part cooperating with a valve seat. At its outer edge the diaphragm is tightly and sealingly welded onto two wall portions and comprises two or more, diaphragm plates disposed one atop the other and jointly welded to the wall portions. A clamp disc has a central bore in the adjacent surface area facing the outer circumference of an annular lip of the closure part is complementarily shaped therewith, the diaphragm plates being tightly clamped between the closure part and the …
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 September 25, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 25, 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.