Tokai Corporation

Tokai Seiki Co., Ltd.

Mitsui Toatsu Chemicals, Incorporated

Kabushiki Gaisha Tokai

Tokai Seiki, Ltd.

Tomio Nitta

Hideo Mifune

Masato Seki

Noriyuki Serizawa

Yosimitu Kaga

Hideo Amemiya

Minoru Kuroda

Tsutomu Shike

Shinichi Okawa

Tsutomu Inada

Tatsuya Tashiro

A portable heater includes a burner 10 disposed on the bottom of a combustion cylinder 2, a container to be heated 6 which is disposed in an upper part of the combustion cylinder for storing contents which are heated when the heater is in use, a fuel tank 12 for storing fuel gas to be supplied to the burner, and an ignition means 8 having an ignition lever 21 which causes the ignition of the burner. For use with such a portable heater, a safety device for preventing the container from being heated while it is sealed, a safety device which prevents the emission of gas when flames are unexpectedly extinguished, and an overturn safety device for automatically extinguishing flames when the heater is overturned are obtained in a simple structure.

Safety device for use with portable heater

Ready-to-heat canned goods

Portable heater

Ballpoint pen

There is provided an injection molding apparatus of the screw in-line type which has a screw having the following structural features and is used for injection-molding a high-nitryl resin.

Injection molding apparatus

Writing instrument

A vessel according to the invention has a double-layer structure in which a vessel wall is constructed by an inner layer made of a special high-nitryl resin having excellent chemical resistance, gas barrier property, and the like and an outer layer made of a synthetic resin having excellent heat resistance, shock resistance, and the like. The vessel is suitable for use as a vessel for aerosol.

Vessel for aerosol

Felt tip pen

Aerosol container

Cigarette lighter

Growing community of inventors

Yokohama, Japan

Tomio Nitta