Apparatus for hydrostatic pressure testing of tubular products
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United States of America Patent
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-
Jan 3, 1995
Grant Date -
N/A
app pub date -
Jul 29, 1993
filing date -
Jul 29, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for hydrostatic pressure testing of tubular products that enables short segments of the tubular product to be individually tested under conditions simulating a capped tube hydrostatic test. The apparatus includes a first seal bladder and gripper member assembly connected to a second seal bladder and gripper member assembly by a connecting member that allows relative axial movement between the two assemblies. A fluid outlet port is provided in the connecting member to introduce pressurized fluid into the short segment of the tubular product between the seal bladders of the two assemblies. Since the first seal bladder and gripper member assembly is axially movable relative to the second seal bladder and gripper member assembly, an axial stress as well as a hoop stress will be induced in the tubular product during testing.
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