Tamper proof safety cut-off fluid nozzle
CA 1094130 A · Owner: Armstrong World Industries, Inc. · Inventors: Bachman, Robert C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A fluid nozzle designed to shut off when the pressure of the fluid exiting the nozzle reaches a predetermined value e.g. 30 psi, as, set forth in OSHA regulations. The nozzle has a body having an inlet an outlet, a passage therebetween, and a conventional valve for manually opening and closing the passage between the inlet and outlet. An apertured closure is inserted in the outlet and has a valve seat on its inner surface. A valve having a face on its one end and a passageway through the valve is positioned in the passage to slideably move between the valve seat of the apertured closure and a valve stop. A vent hole through the wall of the body is located between …
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 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 20, 1998.
- 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.