| 摘要 |
PURPOSE: To reduce cost of a noise reduction device in a pneumatic type nailing machine. CONSTITUTION: In a noise eliminator 10 of a pneumatic type nailing machine where a handle 4 is divided into a handle main body 11 and a handle cap 12 of an end part and compressed air is supplied to a pressure accumulating chamber inside of the handle main body 11 through the inside of the handle cap 12, a notch is formed in a gasket 20 sandwiched between the handle main body 11 and the handle cap 12, and a valve body 20b is arranged, and a counteflow directional opening of the valve body 20b is checked, and the valve body 20b is formed as a check valve.
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