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. 02, 2009
Filed:
Apr. 23, 2004
Kazuhiko Sase, Tokyo, JP;
Susumu Onodera, Tokyo, JP;
Kenji Tanaka, Tokyo, JP;
Shigekazu Miyagawa, Tokyo, JP;
Eiichi Asoi, Tokyo, JP;
Kazuhiko Sase, Tokyo, JP;
Susumu Onodera, Tokyo, JP;
Kenji Tanaka, Tokyo, JP;
Shigekazu Miyagawa, Tokyo, JP;
Eiichi Asoi, Tokyo, JP;
Nippon Paper-Pak Co., Ltd., Tokyo, JP;
Abstract
A paper container for fluid including a spout plug, in which the spout plug is formed of a spout positioned on a spout hole part for cutting and opening and incorporates a rotary opening blade and a cap. The spout plug is fitted to a top panel, which includes the spout hole part for cutting and opening in which a spout hole is formed in a paper base material and is sealed by a sealing layer. The contained further including a cut and opened piece fall prevention mechanism produced when the sealing layer is cut and opened by the rotary opening blade of the spout plug and capable of preventing a part of the cut and opened piece of the sealing layer from being cut off and giving hinge function to the uncut part of the cut and opened piece in the spout hole part for cutting and opening.