STRAIGHT-SPLIT POUCH, METHOD FOR MANUFACTURING SAME, AND DEVICE FOR MANUFACTURING THE POUCH.

WIPO Patent Application WO/2011/155717

A3

Provided is a straight-split pouch, a method for manufacturing the pouch, and a device for manufacturing the pouch. The pouch, which is for packing an article which needs to be protected for a long time from humidity or oxygen, is based on a front synthetic resin sheet and a rear synthetic resin sheet, has a notch marking the tear starting point at the openable portion, and has a series of multiple grooves for splitting which are disposed at a predetermined distance from one another along a straight line at the openable portion starting from the notch. The method for manufacturing the same includes: producing a base film; producing the grooves for splitting; applying an adhesive to the surface protection layer and drying the layer; adhering the base film to the surface protection layer; sealing a large-area sheet; and cutting the sealed large-area sheet and forming the notch. The device for manufacturing the same includes: first and second winding portions; an adhesive application portion; a chamber; a shaping apparatus; a laminating treatment portion; and a heat seal and cutting portion.

KIM WON TAE (KR)
LEE HAN IL (US)

PCT/KR2011/003834

May 03, 2012

May 25, 2011

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SAM A ALUMINIUM CO LTD (KR)
FLAIR FLEXIBLE PACKAGING CORP (CA)
KIM WON TAE (KR)
LEE HAN IL (US)

B65D33/00; B31B39/14; B65D30/08; B65D75/62

JPH1177872A	1999-03-23
JP2009023134A	2009-02-05
KR100812669B1	2008-03-13
KR20050045787A	2005-05-17

YOON & YANG (Samho Bldg.997-9, Daechi-dong, Gangnam-gu, Seoul 135-502, KR)

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