EXPANSIVE STRIKE PLUG AND ITS DRIVING METHOD

PURPOSE: To guarantee the anchoring of an expansible plug to be percussion anchored by arranging at least one spacer member in the expansible end of an expansion sleeve, which is disposed in the end surface side of an expansion segment. CONSTITUTION: A buckling auxiliary member 4 formed as a recesse...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MANFUREETO HAAGE, ARUTSUURU FUITSUSHIYAA
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:	PURPOSE: To guarantee the anchoring of an expansible plug to be percussion anchored by arranging at least one spacer member in the expansible end of an expansion sleeve, which is disposed in the end surface side of an expansion segment. CONSTITUTION: A buckling auxiliary member 4 formed as a recessed portion is provided in an expansion segment 3 such that the expansion segment 3 is easily expanded in a borehole, a reflecting member made of a web 6 is provided in the end surface side of the expansion segment 3 facing the bottom portion 5 of the borehole, and the web 6 surrounds the opening of an inner hole 1 extended throngh an expansion sleeve 2. In a joined position between the web 6 and the expansion segment 3, a notch is formed as a reflection auxiliary member 7 and, when an expansible plug to be percussion anchored impinges against the borehole bottom portion 5, the expansion segment 3 is expanded through the reflection member. Thus, the expansion segment 3 is engaged with the borehole formed in a conical shape in a shape connecting manner.