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:
Aug. 25, 1992
Filed:
Jun. 30, 1989
Applicant:
Inventors:
Yukio Takata, Himeji, JP;
Takeshi Shinohara, Himeji, JP;
Assignee:
Idemitsu Petrochemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220359 ; 220453 ;
Abstract
A container, a method of an an apparatus for forming cuts in the container are disclosed. Weakening lines serving as cutting lines are formed on inside of the sealing portion and outside of the flange portion of the container, and a non-sealing region is formed at the position at which a part of the outer weakening line is included. These weakening lines can be formed by rotating the container and bringing the notching blades into contact with the flange portion.