BOLT COVER

PROBLEM TO BE SOLVED: To accurately measure a bolt axial force, and to easily perform the measurement work.SOLUTION: This bolt cover comprises: a cover body (2) which wholly covers the head of a bolt; an insertion hole (4) which is formed at a position facing the end face of the head of the bolt of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAKADA RYUJI, SHIMODAIRA TAKAYUKI, OSANAWA TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To accurately measure a bolt axial force, and to easily perform the measurement work.SOLUTION: This bolt cover comprises: a cover body (2) which wholly covers the head of a bolt; an insertion hole (4) which is formed at a position facing the end face of the head of the bolt of the cover body, and inserted with an ultrasonic probe for measuring the bolt axial force by utilizing an ultrasonic wave; a cap (10) detachably attached to the insertion hole; and an oil holding body (15) which is arranged between the cap and the end face of the head of the bolt, and immersed with an oil liquid. A guide means (6) for guiding the insertion of the ultrasonic probe is arranged at the insertion hole.