| 摘要 |
PURPOSE:To protect a metalic sealed container such as air-spraying can against explosion when the one used is put into fire by means of a safety valve with a metal part lower in the melting point than the metal of case of the container provided on a part of the case body. CONSTITUTION:A case body 1 for a sealed container molded with a luminum is provided at a part of the bottom 2 or the side 3 thereof soldly with a metalic part 4 lower in the melting point than the body 1 during the cold molding of the body 1. With such an arrangement, when the internal pressure exceeds the standard level, the case is ruptured at the joint 5 to release gas inside thereby preventing explosion. Otherwide, when the container is put into fire, it is melted at a metal part making a hole to release gas inside thereby preventing explosion. |
