Toppan Printing Co., Ltd.

Hisamitsu Pharmaceutical Company, Inc.

Okada Shigyo Co., Ltd.

Yuji Hashitani

Hirofumi Okada

Hiroyuki Taketomi

Shinichi Hirakawa

Hiroshi Sakai

In a bagfor packaging having a first faceA and a second faceB that are mutually opposite, a first line of weaknessA (B) and a second line of weaknessA (B) and a third line of weaknessA (B) constituted by a plurality of breaks of perforation form arranged between the first line of weakness and the second line of weakness and having an inclination with respect to a prescribed unsealing direction Lare respectively formed in the first face and the second face such that these are arranged in mutually parallel fashion, and the plurality of breaks of perforation form constituting the third line of weakness formed in the first face and the plurality of breaks of perforation form constituting the third line of weakness formed in the second face are formed inclined in mutually opposite directions with respect to the prescribed unsealing direction. In this way a finger-grip portion of suitable extent is formed at the unsealed aperture of the bag for packaging after unsealing.

Growing community of inventors

Tosu, Japan

Yuji Hashitani