| 摘要 |
The anchor is used in civil engineering for fixing hollow bricks and other materials to concrete. It consists of an anchor stem (1) on which two unilaterally split bushings (2 and 8) as yokes are fitted, so that the tongues of one of them are found among the tongues of the other one. A conic section (5) opens up the tongues (9 and 10) of bushing (8), and a conic section (11) opens up the tongues (3 and 4) of the bushing (2). 1 claim, 3 figures
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