EXPANSION PIPE JOINT AND INCINERATION ASH TREATMENT FACILITY
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United States of America Patent
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Issued Date -
Dec 10, 2020
app pub date -
Mar 23, 2018
filing date -
Mar 31, 2017
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Abstract
An expansion pipe joint that absorbs displacement occurring at a connection portion between an upstream pipe and a downstream pipe includes an outer tube having a downstream end coupled to the downstream pipe, an inner tube that is inserted into the outer tube and has an upstream end coupled to the upstream pipe, and a closing member having elasticity that is provided between an upstream end of the outer tube and the upstream end of the inner tube so as to close a gap between them. Then, a difference between a position in an axial direction of the upstream end of the outer tube and a position in the axial direction of the upstream end of the inner tube is within a predetermined range so that a bus line of the closing member is inclined from the axial direction.
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