Honshu Paper Co., Ltd.

Kikkoman Corporation

Honshu Sangyou Kabushiki Kaisha

Shoichi Kawase

Hirofumi Watanabe

Yutaka Watanabe

Taihei Takezawa

Kinzaburo Akita

Hyozaemon Takanashi

Nobuo Sugimaru

Mikio Tsuchiya

Mitsuo Takayanagi

To provide a packaging container with anti-bulging function comprising a bag inside a box in which an inner bag is set in an octangular inner cylinder integrated with a quadrangular outer casing. The bag inside the box provides an anti-bulging function to prevent the outer casing from bulging, by developing a counter bulge in the inner bag acting on an oblique surface of the octangular inner cylinder to pull a side wall of the quadrangular outer casing inward.

Anti-bulging bag-in-box

Packaging with heat-shrinkable film wherein an article has on its surface a heat-shrinkable film in the longitudinal or traversing direction, a tape-shaped overlapping portion is formed on said film, the tape-shaped overlapping portion is partially welded, and tear-off perforations are made in lines along the longitudinal direction thereof so that tearing off the tape-shaped overlapping portion along the perforations opens the package to allow the article to be taken out.

Shrink film package having perforated folded strip

Growing community of inventors

Tokyo, Japan

Shoichi Kawase