Matsushita Electric Industrial Co., Ltd.

Miyata Industry Co., Ltd.

Takuro Koyama

Hiroyuki Takahashi

Yoshikazu Kawauchi

Kiyoshi Yamamori

Takuhiro Ono

Shigeru Takeyama

Yasushi Usui

Mitsugu Tsuyuki

A charging method of a combustible gas and an oxidizer gas includes the steps of charging the combustible gas, and charging the oxidizer gas, both into a container through a charging port provided to the container. During at least one of two charging steps, a composition of a combustible mixed gas created in the vicinity of the charging port is controlled in a nonflammable range.

Charging method and charging structure of combustible gas and oxidizer

A charging structure of a combustible gas and an oxidizer gas includes a container for containing the combustible and oxidizer gases therein. The container has a charging port for charging the combustible and oxidizer gases. The charging structure also includes a sealing member for sealing the charging port and a separating member for substantially separating the combustible gas and the oxidizer gas at least in the vicinity of the charging port during a predetermined time period beginning, from a time point after charging of the combustible and oxidizer gases into the container through the charging port to a time point when the charging port is sealed by the sealing member. The separating member defines a flow path such that the combustible gas and the oxidizer gas are not substantially mixed therein during the predetermined time period in such a case where one of the combustible and oxidizer gases is first charged and thereafter the other of the combustible and oxidizer gases is charged.

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Chigasaki, Japan

Takuro Koyama