SCREWED SHUT-OFF MEMBER FOR FLUID CONTAINER

摘要

PURPOSE: To install packing into a screw type closing member so as not to be missed when bulging. CONSTITUTION: A packing 8 surrounds a circle wall 6 with allowance of a gap. An insert 10 is fixed at the bottom beyond the circle wall 6 in the radius direction. The insert 10 keeps a ring 9 to match with the center with the circle wall 6. In the inside of the center matching 9 is fixed at least one fixed element 11 to bridge between the insert 10 and bottom 3.