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. 04, 1978
Filed:
Jan. 27, 1975
Applicant:
Inventor:
Herman Rupert Markert, Hartsville, SC (US);
Assignee:
Sonoco Products Company, Hartsville, SC (US);
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ;
U.S. Cl.
CPC ...
206525 ; 2065248 ; 220 66 ; 220 68 ; 229-55 ; 426124 ; 426398 ; 426404 ;
Abstract
A vacuum package comprising a composite container of multi-ply paper and foil construction having the contents thereof retained in a vacuum environment, a container rigidifying end cap sealing one end thereof and a flexible tearable membrane sealing the other end with a plastic overcap at the membrane end, said membrane being inwardly flexed by atmospheric pressure against the container contents for a compaction thereof and a corresponding rigidification of the vacuum pack.