ENGAGING METHOD OF BACK-CUT ANCHOR

PROBLEM TO BE SOLVED: To eliminate widening force even in a bedrock having cracks, accomplish sufficiently a high interlocking force based on interlock required only for the movement of a very short distance and, at the same time, to ensure high security even in the bedrock having opened cracks. SOL...

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Bibliographische Detailangaben
Hauptverfasser:	BUERUNAA FUTSUKUSU, ANTONIUSU BUINKERUYAN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BUILDING CEILINGS 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 FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSULATION OR OTHER PROTECTION OF BUILDINGS LIGHTING MECHANICAL ENGINEERING ROOFS THERMAL INSULATION IN GENERAL WALLS, e.g. PARTITIONS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To eliminate widening force even in a bedrock having cracks, accomplish sufficiently a high interlocking force based on interlock required only for the movement of a very short distance and, at the same time, to ensure high security even in the bedrock having opened cracks. SOLUTION: In order to interlock a back-cut anchor 5 without requiring widening force, a roughly cylindrical holding hole 2 having a buck-cut part 3 is bored in a bedrock 1 up to a specific depth. Then, the back-cut anchor 5 equipped with a sleeve 6 having a turnable segment 7 is loaded to the inside of the holding hole 2, and the segment 7 is turned in the holding hole to make form connection between the back-cut part 3 in the holding hole 2 and the segment 7. The back-cut part 3 of the holding hole 2 is filled with hardenable mortar, and after the mortar M filled therein is solidified, at least in the back- cut part, the segment 7 in the sleeve 6 of the back-cut anchor 5 is connected thereto.