| 摘要 |
PROBLEM TO BE SOLVED: To provide an caulking gun capable of discharging a joint material without depending on human grip by a simple structure, facilitating continuous work to improve work efficiency, and sufficiently reducing the material amount of a cartridge to become waste. SOLUTION: The caulking gun is composed of a cylinder 1 having a compressed air inlet 11 and outlet 12; a nozzle 2; the attached/detached cartridge 5 containing the joint material; a valve structure 3 for leading in and exhausting compressed air; and an operating part 4 having an operating lever 46. Since the joint material in the cartridge is pushed out by external pressure, the fixed quantity of the joint material can be continuously discharged without depending on human grip. The joint material in the cartridge can be completely discharged, and only the cartridge made of a thin film becomes waste. The amount of waste can thereby be made extremely small. COPYRIGHT: (C)2004,JPO
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