Konica Corporation

Shigekazu Sakai

Osamu Shibazaki

Toshiyuki Ikariya

Manabu Watanabe

Manabu Toyonaga

In a roll photosensitive material package composed of a roll photosensitive material scroll and a light shielding side member provided to each side of the roll photosensitive material scroll, the light shielding side member has a surplus portion projecting from the outer circumferential surface of the roll photosensitive material scroll, and the surplus portion is bent at the edge of the outer circumferential surface, folded at plural points and superimposed on the outer circumferential surface. The folded superimposed sections 0 of the surplus portion are composed of peak creases and bottom creases, the peak creases are superimposed around the bottom creases and the folded superimposed sections are provided with a substantially equal pitch, and a direction of each bottom crease has an inclination angle .alpha. to the axis of the core, when the peak creases are superimposed around the bottom creases, a direction of each peak crease has an inclination angle .beta. to the axis of the core, and the inclination angle .beta. is smaller than the inclination angle .alpha..

Roll-like photosensitive material packing body

A film cartridge container which can accommodate two film cartridges with short film tongues projecting straight from the cartridges. The film cartridge container has devices for fixing the film cartridges in the container and for attaching another film cartridge container by lid and bottom so that many containers can be stack for display.

Growing community of inventors

Hino, Japan

Shigekazu Sakai