Nissho Corporation

Fujisawa Pharmaceutical Company, Ltd.

Tetsuji Miyamoto

Hitoshi Futagawa

Akira Kagayama

Seizo Sunago

Mitsuo Murakami

Osamu Takahata

Mitsuhiro Tadano

Method of manufacturing containers for dispensing solutions, includes the steps of: (a) extruding a parison from a die while injecting supporting air into the parison, and sealing a forward part of the extruded parison; (b) forming a middle portion of the parison constituting a barrel portion of a container to be produced, during extrusion of the parison, so as to have a wall thickness thinner than the forward part of the parison; (c) injecting air into the parison, after being inserted into a mold with a vacuum mechanism, to blow it out while keeping a pressure in the interior of the mold to a value lower than an internal pressure of the parison, and cutting off the parison from the die to form a container, (d) inserting a mandrel into the molded container through a cut opening of the container after transferring the mold retaining the molded container to a solution-charging station and charging a medical solution into the molded container; and (e) pulling the mandrel out of the container after charging a medical solution into the molded container, and sealing the opening of the solution-charged container.

Method of manufacturing containers for dispensing solutions

Fluid vessel

Growing community of inventors

Osaka, Japan

Tetsuji Miyamoto