| 摘要 |
PROBLEM TO BE SOLVED: To provide a accumulator spray vessel free from liquid drop in start-up and the end of spray and capable of being miniaturized. SOLUTION: An operation member 31 erected from the inside of a cylinder 21 hanging in a vessel body by being pressed upward is formed from a topped cylindrical body 35 having a cylindrical piston 34 at the lower end of the peripheral wall 33, a liquid flow-out cylinder 37 erected around a discharge valve hole 36 perforated in the center part of a cylindrical top plate and a head 39 with a nozzle, which is engaged with the upper end of the cylinder. A bottomed small diameter cylinder 42 having an opened upper surface is fitted into the topped cylindrical body 35, the discharge valve hole 36 is blocked with a discharge valve body 44 pressed upward to the inside of the cylinder and water tightly engaged and a flow passage 46 for connecting the inside of the cylinder, the discharge valve hole 36 and the upper end opened surface of the small diameter cylinder to each other is perforated and formed between the topped cylindrical body inside surface and the small diameter cylinder outside surface. |
