| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealing gun capable of surely extruding a pasty material and capable of replacing a thin-walled bag by simply pulling a handle. SOLUTION: In the sealing gun, a nozzle 8 is provided to the leading end of the cylinder 2 mounted on a main body 1, and a piston rod 3 freely sliding in the axial direction of the cylinder 2, the piston plate 5 fixed to one end of the piston rod 3 to slide along the inner surface of the cylinder 2 and the pressure piston 6 fixed to the piston plate 5 by a screw are provided in the hollow part of the cylinder 2 and a notch 9a is provided between the nozzle 8 and the pressure piston 6 in the vicinity of the nozzle 8 and the thin-walled bag 9 filled with the pasty material 10 is arranged in the main body in a freely replaceable manner. A through-hole 22 for passing air in the axial direction of the cylinder 2 is provided to the slide part 6a of the pressure piston 6.
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