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, 1990
Filed:
Jun. 10, 1988
Applicant:
Inventor:
John W Bayer, Toledo, OH (US);
Assignee:
Owens-Illinois Closure Inc., Toledo, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
215341 ; 215348 ; 215352 ;
Abstract
A vinyl chloride copolymer foam plastisol with an epoxidized natural oil plasticizer such as epoxidized soybean oil and a blowing agent, the plastisol having a long shelf life and the plastisol easily being applied as a liner to the underside of a closure top and fused, without preheating, at a relatively low temperature of about 300.degree. C. for a short time of about 90 to 120 seconds to form a foam liner, the solidified foam plastisol having resilience, good tensile and elongation properties to thereby provide a stable gasket assembly.