| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that a foaming machine body becomes larger than required since the foaming machine body has a length for covering a radiation nozzle and the foaming machine body generally composed of a steel plate becomes heavier due to the longer length of the entire length. Ž<P>SOLUTION: The length of the foaming machine body is formed to be shorter than a length between the distal end part of the foaming machine body and the radiation nozzle and the radiation nozzle is exposed to the outside. Also, by covering the periphery of the exposed radiation nozzle with nonflammable cloth, the foaming machine body is made light in weight compared to a conventional foaming machine body. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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