Daikyo Seiko, Ltd.

Nobuo Sudo

Masamichi Sudo

Yasushi Kawachi

A sanitary container has a hollow cavity for storing a product in cleanliness. A wall portion of the container has a laminated structure of an inner layer and an outer layer. The outer layer is made of a cyclic olefin polymer containing at least one pigment selected from the group consisting of C.I. Pigment Yellow 147, C.I. Pigment Yellow 180 and C.I. Pigment Yellow 181 and added therein. The inner layer is made of a cyclic olefin polymer free of the at least one pigment. The sanitary container is superb in pigment dispersion (ultraviolet ray blocking property), is free of troublesome contamination of its content with pigment particles, and is also excellent in impact resistance strength, gas barrier properties and interface bonding.

Container for medical products

There are provided an intermediate slide valve as well as a plunger slide valve equipped in a syringe in direct contact with injection liquids and a syringe equipped with such slide valves, the injection liquids nor valves being not affected with each other. The intermediate slide valveequipped in the syringecomprises an approximately cylindrical first elastic bodyand an approximately cylindrical second elastic bodywhich is jointed with one bottom surfaceof the first elastic body, the other bottom surfaceof the first elastic bodyand a side surface portion continued therefrom being laminated with a synthetic resin filmand the other bottom surfaceof the second elastic bodyand a side surface portion continued therefrom be laminated with a synthetic resin film

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Sumida-ku, Japan

Nobuo Sudo