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with the open house forsett gas-fired tools with open house forsedda gasalstrande charges
with the open house forsett gas-fired tools with open house forsedda gasalstrande charges
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机译:带有敞开式的福赛特燃气工具和带敞开的法斯特福·加达斯天然气运输
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摘要
An open chamber gas powered tool and gas generating charge for the tool. The charge has a hollow open-ended plastic jacket of uniform noncircular cross-section from end to end containing a propellant, such as nitrocellulose, which may be electrically ignited through an open end of the jacket by a spark, hot wire or the like or ignited by detonation of a dab of priming compound contained within a recess in one end of the jacket. The tool has an open chamber breech mechanism including a cylinder containing a firing chamber opening through the cylinder circumference for transporting charges to firing position wherein the chamber is closed by the breech frame, a trigger actuated firing means for firing the charges in firing position, and operating means powered by the gas generated by each fired charge for performing a work function.
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