WELDED SEALING OF PRESSURE CYLINDER VESSEL
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United States of America Patent
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Issued Date -
Dec 19, 2013
app pub date -
Jan 7, 2011
filing date -
Jan 7, 2011
priority date (Note) -
Abandoned
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Abstract
A pressure vessel for isostatic pressing and a press comprising such a pressure vessel, wherein the pressure vessel comprises at least two sub-cylinders which are axially connected to form a force absorbing pressure vessel cylinder for enclosing a pressure medium during said isostatic pressing, wherein the axially connected sub-cylinders are welded along the joint(s) of the connected sub-cylinders. The pressure vessel comprises axially pre-stressing means arranged for exerting axial compressive forces on the sub-cylinders for attaining axial compressive stress at said joint(s) when the pressure medium is pressurized, and radially pre-stressing means arranged for exerting radial compressive forces on the sub-cylinders for attaining tangential compressive stress at the joint(s) when the pressure medium is pressurized.
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