Patent ID: 8820361
Filing Date: 2014-09-02
Classification: B01D,F04F,F16L

Abstract:
1. A tube body for a pressure transducer provided to a seawater desalination apparatus in which pressure applied to the interior is varied periodically, the tube body for a pressure transducer wherein the tube body has a piston in an interior; the tube body has a tube main body made of a fiber-reinforced resin formed by winding continuous fibers into layers by filament winding and a seal layer made of a fiber-reinforced resin 0.5 mm or more in thickness formed by tape winding in the interior of said tube main body so that an internal peripheral surface is smooth and substantially uniform in diameter; said tube main body 1 contains said continuous fibers wound at an angle of 50°±5° relative to the axial core direction of the tube main body; the tube body is provided with a closed lid which is provided securely to an end surface of the tube body, which closes up the end of the tube body, and which has an opening; and another tube member communicated with said opening is joined by a bolt to the closed lid.