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:
Oct. 19, 1976
Filed:
Aug. 22, 1974
Applicant:
Inventor:
H Keith Howard, Ulysses, KS (US);
Assignee:
Uly-Pak, Inc., Ulysses, KS (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B30B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
156251 ; 93 3 / ; 93DI / ; 156228 ; 156306 ; 264248 ;
Abstract
A plastic container is provided with a plastic bead seal at the junction of the interlocking fastener and the side edges of the container. The plastic bead seal acts as a barrier to the passage of fluids or contaminating bacteria through the fastener at this junction. A method and apparatus are provided for flowing plastic under heat and pressure into and across the junction to form the bead seal barrier.