Fluid material discharge apparatus
AssigneeMitsubishi Heavy Industries, Ltd.
InventorsTakashi SHIBUTANI, Masanobu TSUTSUI, Hiroyuki SAITO
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Abstract
A purpose of the present invention is to prevent leakage of a sealant from the rear end side of a plunger in a sealant discharge operation. The sealant discharge apparatus is equipped with a piston that moves axially inside a cartridge and a contact portion, the outer peripheral surface of which has a cylindrical shape, that is provided at the tip of the piston and can contact the inner peripheral surface of a plunger provided in the cartridge housing a sealant, and the contact portion is provided to be movable radially in the piston.
Claims5
A fluid material discharge apparatus comprising:
- a piston that moves in an axial direction inside a cartridge;
- and
- a contact portion that is provided at a tip of the piston and can come into contact with an inner peripheral surface of a plunger provided in the cartridge accommodating a fluid material and of which an outer peripheral surface has a cylindrical shape,
- wherein the contact portion is provided to be movable in a radial direction at the piston.
Dependencies are inferred from the claim text.