The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 21, 2012
Filed:
Oct. 24, 2008
Applicants:
Daniel A. Andersen, Burlington, WI (US);
Lawrence M. Brown, Franksville, WI (US);
Inventors:
Daniel A. Andersen, Burlington, WI (US);
Lawrence M. Brown, Franksville, WI (US);
Assignee:
S.C. Johnson & Son, Inc., Racine, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D 7/60 (2010.01); G01F 11/00 (2006.01);
U.S. Cl.
CPC ...
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.