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.

Date of Patent:
Jul. 21, 2015

Filed:

Oct. 19, 2010
Applicants:

Ryo Katada, Sodegaura, JP;

Michio Mogami, Sodegaura, JP;

Shuichi Goto, Chuo-ku, JP;

Inventors:

Ryo Katada, Sodegaura, JP;

Michio Mogami, Sodegaura, JP;

Shuichi Goto, Chuo-ku, JP;

Assignee:

Idemitsu Unitech Co., Ltd., Chuo-ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 33/16 (2006.01); B65D 33/00 (2006.01); A44B 1/04 (2006.01); A44B 5/02 (2006.01); B65D 33/25 (2006.01);
U.S. Cl.
CPC ...
B65D 33/2533 (2013.01);
Abstract

A connecting portion is provided between a first thick portion and a second thick portion in a cutting portion. Further, a thinnest portion on which a stress can be concentrated is provided to the connecting portion. Accordingly, when tearing a base material film of a bag body, the connecting portion can guide a cutting line toward the thinnest portion to position the cutting line in the thinnest portion, so that the bag body can be easily opened.


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