Patent ID: 9381482
Filing Date: 2016-07-05
CPC Classification: B01J,B29C,F16L

Claim Text:
1. A lining structure of a lining member provided on a base material of an insertion tube used for adding a chemical to a reaction vessel for leaching under high temperature and high pressure, wherein the base material has a tube section and a flange section, the lining member is provided on the base material and formed of a material different from the base material, and the lining member has a tube section lining section provided on the tube section and a flange lining section provided on the flange section, a chamfer section is formed on the flange section, the tube section lining section is protruded to the same height as a flat surface of the flange lining section, and the flange lining section has a curved surface section protruded toward the base material side on the chamfer section and is welded to a protruding section of the tube section lining section that protrudes from a slant surface of the chamfer section.