JOINT FOR HIGH-PRESSURE PIPES AND JOINT STRUCTURE
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United States of America Patent
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Issued Date -
Sep 8, 2016
app pub date -
Aug 7, 2014
filing date -
Aug 7, 2013
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Abstract
Provided is a joint for high-pressure pipes, which allows improved efficiency in pipe replacement work as well as improved seal performance and resistance against vibration of a pipe joint. The pipe joint for coupling a first pipe and a second pipe comprises: a first joint for coupling with a first pipe; a second joint for coupling with a second pipe; a clamp having a band portion that overlaps an abuttment part for of the first joint and the second joint, and that couples the first joint to the second joint in an abutting state; and a tightening element for shrinking the internal diameter of the band portion by a tightening operation. The external diameter of each end part of the first joint and the second joint in the abuttment part is larger than the external diameter of intermediate portions of the first joint and the second joint.
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