Valved plastic pressure container
CA 1331570 C · Owner: Abplanalp, Robert Henry · Inventors: Abplanalp, Robert Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Broadly stated, this invention comprises a pressure container having an extruded plastic body portion and plastic end closures for the body portion each end closure having a recess portion for receiving the respective ends of the body portion. In a preferred embodiment one of the closures is adapted to receive a conventional aerosol valve having a mounting cup for clinching onto the said closure. In a still further preferred embodiment, the non-valved closure has a port for bottom gassing of the container when the product to be discharged and the propellant are separated by a piston.
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 August 23, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 23, 2011.
- 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.