| 摘要 |
PROBLEM TO BE SOLVED: To provide a paint spraying apparatus fitted to paint spraying of a large-scaled building such as a vessel to the maximum by applying a sufficient compression force to the paint itself. SOLUTION: The reciprocation apparatus utilizing an oil pressure and the pain spraying apparatus utilizing it are provided. The oil of the same pressure flowing through a cylinder head 2 and an oil flowing-in hole of a cylinder block 50 is engaged with the upper surface and the lower surface of a piston 42 at the inside of the cylinder 10. By constituting areas of the upper surface and the lower to different parts, vertically movable motive power is prepared. A piston rod 40 is installed on the lower part of the piston, and the paint is sprayed using the reciprocating piston rod 40. Reciprocation motion of the piston rod 40 is connected by a reciprocation motion of a displacement rod 51, and a pressure is directly applied to the paint and the paint of high pressure is sprayed by such a reciprocation motion. COPYRIGHT: (C)2009,JPO&INPIT
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