Gas combustion type driving tool
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United States of America Patent
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Oct 1, 2013
Grant Date -
Sep 16, 2010
app pub date -
Oct 16, 2008
filing date -
Oct 17, 2007
priority date (Note) -
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Abstract
In a gas combustion type driving tool, a measuring chamber 22 is provided in an intermediate part of a gas pipeline 11 between a gas canister 7 and a combustion chamber 2. A solenoid valve 23 is provided in the measuring chamber 22. When fuel gas is supplied to the combustion chamber, an upstream side gas pipeline 11a and a downstream side gas pipeline 11b of the measuring chamber 22 are opened for a predetermined opening time by the solenoid valve 23 to supply the fuel gas within the measuring chamber 22 to the gas pipeline 11b by an injection pressure of the fuel gas in the gas canister 7.
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