RESIDUAL STRESS REDUCTION IN WELDING
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United States of America Patent
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Issued Date -
Dec 26, 2013
app pub date -
Jan 7, 2011
filing date -
Jan 7, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A pressure vessel comprising a pressure chamber (5) arranged for accommodating a pressure medium, comprising at least one cylinder segment (2) arranged for longitudinal connection to form a cylinder body (1), whereby a joint (7) arranged for an interconnection is formed at adjacent longitudinal edges (6) of the at least one cylinder segment. The pressure vessel further comprises pre-stressing means (20) provided around an outer envelope surface (4) of the cylinder body for radially pre-stressing the cylinder body and for at least partly decreasing a gap (11) extending along at least a portion of each joint between adjacent longitudinal edges of the at least one cylinder segment.
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