| 摘要 |
PROBLEM TO BE SOLVED: To provide a lightweight, structural strength-strengthened and operationally smooth caulking gun.SOLUTION: The prevent invention provides a caulking gun including a grip unit 3 and a holder 4 provided by extending from the grip unit 3 so as to hold a cartridge 2, in which the grip unit 3 comprises a plastic body part 5, a trigger part pivoted to the body part 5 and a piston part 6 having a piston rod 61 slidably supported by the body part 5 and a pressing plate 62 provided on its one end, and the holder 4 comprises a fixing part 41 composed of a construction material different from the body part 5 and buried in the body part 5, a pair of extending walls 42 extending to the outside of the body part 5 parallel to the piston rod 6 from the fixing part 41 and an end wall 43 for connecting between those extending ends, and a cartridge storage space 44 is defined by the pair of extending walls 42 and the end wall 43. |
