Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 21, 2012
Patent Application Number
12257497
Date Filed
October 24, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A barrier piston with an integrated seal for use with aerosol containers is disclosed. The barrier piston includes a piston body with flow channels disposed on the surface thereof. Stabilizers of a low durometer material are provided on the flow channels to prevent tilting and binding of the piston body within a container. A seal also of a low durometer material is disposed on the base of the piston body to ensure separation of the product and propellant.
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