BRANCH TYPE STANDING POUCH - TOYO SEIKAN KAISHA LTD

Title:

BRANCH TYPE STANDING POUCH

Document Type and Number:

WIPO Patent Application WO/2008/020590

Kind Code:

A1

Abstract:

A branch type standing pouch in which an unsealed nozzle can be erected easily without requiring any special member or process, and the content can be extracted easily while holding the unsealed nozzle stably. A pouch surface material having an extraction nozzle backside portion composed of a plastic film and becoming the extraction nozzle backside when it is folded back and a pouch body surface portion composed of a plastic film and continuous thereto, a pouch backside material composing the pouch body backside, an extraction nozzle surface material, and a bottom member are heat sealed to constitute a branch type standing pouch where the extraction nozzle is branched from the top of the pouch body. In this pouch, two nozzle reinforcing surfaces are formed laterally symmetrically on the opposite sides of a first protrusion by providing, above the center of the pouch surface material, the first protrusion extending from the center of the extraction nozzle backside portion over the fold back portion to above the center of the pouch body surface portion, and two second protrusions laterally symmetrically formed on the opposite sides of a first protrusion. Furthermore, a third protrusion extending in the nozzle longitudinal direction is provided in the center of the extraction nozzle surface material, and a fourth protrusion is provided on the extension of the third protrusion above the center of the pouch backside material, whereby a branch type standing pouch is obtained in which the extraction nozzle can be secured upright at the time of unsealing.

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Inventors:

ISHIZAKA KOICHI (JP)
OZAWA KAZUMI (JP)
AIKAWA TAKAYUKI (JP)

Application Number:

PCT/JP2007/065849

Publication Date:

February 21, 2008

Filing Date:

August 14, 2007

Export Citation:

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Assignee:

TOYO SEIKAN KAISHA LTD (JP)
ISHIZAKA KOICHI (JP)
OZAWA KAZUMI (JP)
AIKAWA TAKAYUKI (JP)

International Classes:

B65D33/36; B65D30/16; B65D33/00; B65D77/30

Foreign References:

JPH11321886A	1999-11-24
JPH1159704A	1999-03-02
JPH05132069A	1993-05-28
JP2003137319A	2003-05-14
JPH10129683A	1998-05-19

Other References: