Doryokuro Kakunenryo Kaihatsu Jigyodan

Hitachi Cable, Inc.

Hideo Akiyama

Akio Todokoro

Yukio Natsui

Hiroshi Kogure

Masahito Ui

Tsuneo Ozaki

Yujiro Kato

Osamu Takanobu

A hermetically sealed connector for a glove box and a method for exchanging such connectors in which leakage of radioactive material from within the glove box is minimized and an auxiliary glove box is not needed to exchange the connectors. The connector is formed as a cylindrical member having a flange portion hermetically sealed to a packing provided in a through hole in the wall of the glove box. To exchange connectors, a nut is removed from the outer end of the old connector and a tube is screwed thereto. The other end of the tube is fitted to the inner end of the new connector. The tube is then shoved through the packing until the flange of the new connector aligns with the packing. The tube is then removed from the inner end of the new connector and a nut is screwed on in replacement for the tube.

Hermetically sealed connector for glove box and method for exchanging

Method for exchanging an hermetically sealed connector on a glove box

An apparatus for continuously concentrating and denitrating a radioactive nitrate solution by microwave includes a rotatably supported concentrating and denitrating vessel disposed within an oven into which microwave is applied through waveguides. The concentrating and denitrating vessel comprises a circular vessel body supported rotatably about its center and a plurality of partition plates positioned radially inside the vessel body so as to divide the interior of the vessel body into a plurality of compartments. The nitrate solution supplied into the vessel is heated, evaporated, concentrated and denitrated in sequence in each of the compartments during one rotation of the vessel to form a denitrated oxide powder. The denitrated powder produced in one of the compartments is transferred into a receiving pan positioned adjacent to the outer periphery of the vessel.

Apparatus for continuously concentrating and denitrating nitrate

Growing community of inventors

Ibaraki, Japan

Hideo Akiyama