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:
Mar. 29, 1988
Filed:
Apr. 10, 1987
Applicant:
Inventors:
Rolf G Engstrom, Edina, MN (US);
Douglas M Fincham, Edina, MN (US);
Assignee:
E. A. Sween Company, Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ; B65D / ; B65D / ;
U.S. Cl.
CPC ...
426107 ; 426111 ; 426113 ; 426118 ; 426124 ; 426234 ; 220403 ; 220462 ; 220463 ; 229 / ; 229903 ; 229101 ; 229D / ; 229D / ; 206813 ; 383100 ; 53440 ; 53449 ; 156293 ; 1562757 ;
Abstract
A package for an expandable food product and a method for manufacturing the same including an outer container, an expandable food pouch within the container and a coating on the inside surface of the container to adhere the pouch thereto when the package is exposed to a source of heat. A further embodiment of the package includes an expandable food pouch with a designed fault along its peripheral edge to facilitate the controlled release of pressure formed within the pouch.