Expansion anchor

This expansion anchor comprises a screw (1) and an anchor body (4) capable of receiving the shaft (3) of the screw, the anchor body (4) comprising: - a flange (55) intended to be directed towards the head (2) of the screw, - a portion forming a nut (69) designed to engage with the thread (31) of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VIVIER GUILLAUME, OBAME OBAME HUGUES
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:	This expansion anchor comprises a screw (1) and an anchor body (4) capable of receiving the shaft (3) of the screw, the anchor body (4) comprising: - a flange (55) intended to be directed towards the head (2) of the screw, - a portion forming a nut (69) designed to engage with the thread (31) of the screw, - a deformable expansion portion (6, 7) between the flange and the portion forming a nut. The portion forming a nut (69) is designed to advance towards the flange (55), deforming the expansion portion (6, 7) towards a deployed position, under the action of screwing the screw into the portion forming a nut. In the mounted position of the anchor in a hole (41) in a wall (40), with the flange (55) bearing against a first face (40A) of the wall, the expansion portion in the deployed state forms a continuous contact surface (So) facing the second face (40B) of the wall and has a load-bearing section (Sigmai), transversely to the axis (X1) of the screw, which is generally tapered from the contact surface (So) towards the portion forming a nut (69).