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:
Jun. 28, 2011
Filed:
Feb. 24, 2004
Tohru Yukumoto, Chiba, JP;
Hiroyuki Takahashi, Chiba, JP;
Tohru Yukumoto, Chiba, JP;
Hiroyuki Takahashi, Chiba, JP;
Idemitsu Unitech Co., Ltd., Tokyo, JP;
Abstract
An easy-open packaging bodyincludes: a container bodywith a flangeformed on a circumference of an opening, and a coverheat-sealed to the flangeto close the opening. Inner and outer notchesA andB enclosing the openingare formed respectively on inner and outer circumferential sides on the flange. The flangeand the coverare heat-sealed by a first seal partA having a predetermined width and formed between the inner and outer notchesA andB to enclose the openingand a second seal partB having a width narrower than that of the first seal partA and formed within an area of the first seal partA to enclose the openingalong the first seal partA, the second seal partB having a projected seal partprojected outward relative to the other part on a position corresponding to a tab