CHANGEABLE BRANCH PIPE AND METHOD OF CHANGE OF BRANCH PIPE IN PRESSURE VESSEL Russian patent published in 1998 - IPC

Abstract RU 2103595 C1

FIELD: pressure vessels. SUBSTANCE: initial branch pipe is removed and edges of initial weld seam are prepared. Hole thus freed is partially bored from the inside of vessel. Bush with chamfer for welding is placed in bored portion of hole and changeable nozzle is placed in bush having chamfer for welding. Bush and changeable nozzle are welded on inner side of vessel wall. EFFECT: enhanced reliability. 4 cl, 3 dwg

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RU 2 103 595 C1

Authors

Garol'D Vill'Jam Benke[Us]

Richard Tomas Bottoms[Us]

Lehrri Dion Dikson[Us]

Dates

1998-01-27—Published

1993-12-20—Filed