| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection mechanism that enables continuous injection and fixed-quantity injection.SOLUTION: A discharging valve is provided, at an intermediate part of a push-in stroke of a stem 6, with a sealing part that stops discharge of contents. An injection mechanism is composed of a body part 10, an injection port member 12, a continuous actuation part 15, and a fixed-quantity actuation part 16. The basal end part of the injection port member 12 is connected to the stem 6 and its outlet part serves as a nozzle port 11. By actuating the continuous actuation part 15, the injection port member 12 and valve stem 6 are pushed in to start continuous injection. In the fixed-quantity actuation part 16, its push-in stroke is regulated to a predetermined range by a stroke regulating part 18d provided on the body part 10. The push-in of the stem 6 stops at an area of the valve sealing part, the supply of contents is stopped, and a fixed quantity is thereby injected.SELECTED DRAWING: Figure 2 |
