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    • 10. 发明申请
    • EXPANSION ANCHOR SLEEVE
    • 可扩展的锚定套
    • WO2008155029A3
    • 2009-04-16
    • PCT/EP2008004555
    • 2008-06-07
    • FISCHERWERKE GMBH & CO KGFISCHER ARTUR
    • FISCHER ARTUR
    • F16B13/12
    • F16B13/126F16B13/045F16B13/122
    • The invention relates to a metal expansion anchor sleeve (1) comprising an expansion zone (11) at a forward end. In said expansion zone (11), the anchor sleeve (1) is subdivided into cylindrical shell-shaped expansion tongues (5) by means of slots (4). Loops (3) are folded on the inside of the expansion tongues (5) such that the anchor sleeve (1) can be expanded by introducing a pin-shaped expanding element (13). According to the invention, the expansion sleeve (1) comprises incisions (22) that extend from longitudinal edges (21) of the loops (3). The length of said incisions (22) corresponds to a wall thickness of the anchor sleeve (1). Furthermore, the loops (3) are folded such that apexes of the folds are flush with a forward edge (23) of the anchor sleeve (1). The folds of the loops (3) do not protrude from the anchor sleeve (1) towards the front, thus preventing the loops (3) from being torn off at the folds thereof when the anchored anchor sleeve (1) is subjected to tensile stress.
    • 本发明涉及一种可膨胀的金属暗销套筒(1)以扩展区域(11)在其前端,其中所述定位销套筒(1)至槽(4)在汽缸中壳状膨胀舌片(5)上的板(3)被分割的内侧,弯曲 使得销钉套筒(1)通过插入的销状膨胀元件(13)可以被扩展开。 本发明提出的是,销钉套筒(1)被提供有在纵向边缘的条带的延伸部(21)的切口(22),(3),其长度对应于榫钉套筒(1)的壁的厚度和翼片(3),以便于弯曲, 与所述定位销套筒(1)的前边缘(23)齐平的弯曲部分的顶点。 翼片的弯曲部(3)不向前突出超过所述定位销套筒(1),由此,本发明避免了在锚定销钉套筒(1)的拉伸应力在它们的弯曲的凸片(3)的撕裂。