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:
Jul. 10, 2001
Filed:
Dec. 17, 1999
Applicant:
Inventors:
George R. Trepina, Holland, OH (US);
Kenneth S. Bloom, Jerry City, OH (US);
Wing-Kwong Keung, Perrysburg, OH (US);
Doraiswami Jaichandra, Toledo, OH (US);
Assignee:
Owens-Illinois Closure Inc., Toledo, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D 5/58 ; B67D 5/40 ;
U.S. Cl.
CPC ...
B67D 5/58 ; B67D 5/40 ;
Abstract
A retainer for holding a pump body onto a container is formed with an annular trough having a passage offset from the axis of the retainer and permitting escape of build-up pressure in the container to the outside. The trough has a radial surface in which the passage terminates. An annular laminate layer of gas-permeable/liquid impermeable material is secured to the radial surface covering the passage.