| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a seal plate for chemical cylinder, a seal breakage structure for chemical cylinder and a fire extinction gas jet that are preferable for use as easy fire fighters at households or offices or vehicles, for example, that can be broken easily and fast with a slight force due to its simple configuration and at the same time can carry out fire fighting rapidly by a loaded small-sized chemical cylinder.SOLUTION: There is provided a seal plate 3 for a chemical cylinder 1 seal-installed at an opening base part of the chemical cylinder 1 and broken by an extremity end part 20a of a breakage member 20 moved downward from above it. The central part of the seal plate 3 is formed with a breakage groove 4 that can press against the extremity end part 20a.</p> |
