FLANGE FASTENING STATE INSPECTION METHOD AND FLANGE USED THEREFOR

PROBLEM TO BE SOLVED: To provide a flange fastening state inspection method capable of estimating a gasket compression quantity in a little error. SOLUTION: A measuring hole is arranged in a flange ring, and a distance up to another pair of flange ring surfaces or a gasket outer ring is measured. Th...

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Bibliographische Detailangaben
1. Verfasser:	NEFU AKIRA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MECHANICAL ENGINEERING PHYSICS PIPES PISTONS SEALINGS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TESTING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a flange fastening state inspection method capable of estimating a gasket compression quantity in a little error. SOLUTION: A measuring hole is arranged in a flange ring, and a distance up to another pair of flange ring surfaces or a gasket outer ring is measured. The measuring hole is arranged nearest to the flange shaft center. Displacement of a flange can be measured by determining displacement of the distance before and after fastening a bolt. By arranging the measuring hole near to the flange shaft center, an error between the displacement of the flange and the compression quantity of a gasket can be reduced, and a fastening state can be properly estimated. COPYRIGHT: (C)2007,JPO&INPIT