REPAIRING METHOD FOR FLAW IN EXTERNAL SURFACE OF CYLINDRICAL PRESSURE VESSEL

PROBLEM TO BE SOLVED: To establish a repairing method for a plurality of flaws produced in the outside surface of a cylindrical pressure vessel containing a gas or liquid. SOLUTION: A cylindrical pressure vessel 10 is furnished in the outside surface with a first grinding part 30 and second grinding...

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Bibliographic Details
Main Authors MIYOSHI GOTARO, WATANABE HISASHI, WADA HIDEO, OGUCHI NORITAKE
Format Patent
LanguageEnglish
Published 05.10.1999
Edition6
Subjects
BLASTING
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To establish a repairing method for a plurality of flaws produced in the outside surface of a cylindrical pressure vessel containing a gas or liquid. SOLUTION: A cylindrical pressure vessel 10 is furnished in the outside surface with a first grinding part 30 and second grinding part 40 adjoining in the circumferential direction and a third grinding part 40 adjoining in the axial direction to the first grinding part 30, and according to an analysis made for the effect of their distances X and Y upon the degree of stress concentration, it is showed that a plurality of flaws adjoining in the circumferential direction can be repaired in lump by one grinding part.
Bibliography:Application Number: JP19980198702