Aerosol container closure
CA 1212928 A · Owner: Precision Valve Corporation · Inventors: Abplanalp, Robert H.; Naku, Virgil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gasketed mounting cup suitable for clinching onto the bead of a container at a generally circumferentially extending clinch line comprises a panel and a skirt integral with and depending from the panel. The skirt is outwardly flared to form an annular channel for mating with the bead of a container opening The gasket material is disposed on the skirt to extend from beyond the clinch line towards and into the channel such that the gasket material extends outside the inside diameter of the head of the container that receives the gasketed mounting cup. The improvement comprises a compressive deformation of the gasket on the outer surface of said gasket. Such deformation may take the form of …
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 October 21, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 21, 2003.
- 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.