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    • 2. 发明公开
    • IMPROVEMENTS RELATING TO THE LIFTING OF PRECAST BODIES SUCH AS CONCRETE PANELS
    • 改进起重设备成品部件如混凝土楼板
    • EP1115642A1
    • 2001-07-18
    • EP99916724.0
    • 1999-05-04
    • Paterson, Ian Alexander
    • Paterson, Ian Alexander
    • B66C1/66B66C1/36E04G15/04
    • B66C1/666E04G21/142Y10S425/058
    • An object handling device includes a support body (32), and an elongate anchor body (40) mounted at the inner end thereof to the support body so as to project from the support body for insertion into an undercut cavity (28) in an object to be handled. At least one anchor lug (48a, 48b) at or adjacent to the outer end of the anchor body is movable with the anchor body between a first position in which the anchor body is able to be inserted into or withdrawn from the cavity, and a second position in which the lug(s) engage respective undercut shoulder portions (29) in the cavity. Means (42) on the anchor body is engagable for moving the anchor body (40) to move the anchor lug(s) between the first and second positions. Lift means (60) on the support body is engagable by a crane to lift the object. Lock means (50, 51) is provided to block movement of the anchor lug(s) from the second position. In one aspect, the anchor body (40) is rotatable to effect said movement of the anchor lug(s). In another, the lock means (50, 51) is slidable generally longitudinally of the anchor body means to a blocking position in which movement of the anchor lug(s) from the second position is blocked. In a further aspect, there is substantially no cavity or void in the object within a region outwards of said undercut shoulder portions (29) sufficient to allow collapse or flow of the object material when the object is being lifted. Aslo disclosed is a form (25) for defining an undercut cavity in a precast object.
    • 6. 发明公开
    • Improvements relating to masonry fittings
    • VerbesserungenfürMauerwerksbeschlag
    • EP0976933A1
    • 2000-02-02
    • EP99305849.4
    • 1999-07-23
    • International Intec Trading
    • James, Peter JohnSobek, Peter
    • F16B13/14E04G21/32F16L5/00E04G5/04
    • E04G5/04E04G5/046E04G21/3261E04G21/3276F16B13/146F16L5/00
    • A masonry fitting has a tubular member (6,15,23,31) enveloped by a fabric sleeve (9,17,27,32). The interior of the tubular member (6,15,23,31) has an elements (8,20,21,26,33) to which a bolt or hook (1,22,28) can be attached or through which a pipe (30) or cable can pass to be located thereby. This element is well within the tubular member (6,15,23,31) so that the bolt (1,28), hook (22), pipe (30) or cable passes freely out of that member without engaging its mouth. The fitting is secured by injecting grout (12) into the sleeve (9,17,27,32), which expands against the wall of a drilling into which the fitting is inserted. With a cavity wall, the sleeve (9,17,27,32) can bulge out behind the outer skin (11). A blind drilling is made non-cylindrical to provide a key for the hardened grout (12) and the outside of the tubular member (6,15,23,31) also keys to or has positive engagement with the hardened grout (12).
    • 砖石配件具有由织物套筒(9,17,27,32)包围的管状构件(6,15,23,31)。 管状构件(6,15,23,31)的内部具有可附接螺栓或钩(1,22,28)的元件(8,20,21,26,33),通过该元件 (30)或电缆可以通过以被定位。 该元件位于管状构件(6,15,23,31)内,使得螺栓(1,28),钩(22),管(30)或电缆自由地通过该构件而不与其接合。 通过将灌浆(12)注入到套筒(9,17,27,32)中来固定配件,套筒(9,17,27,32)相对于装配件插入其中的钻孔壁膨胀。 利用空腔壁,套筒(9,17,27,32)可以在外皮(11)的后面膨胀。 盲孔钻进非圆柱形以提供用于硬化的浆料(12)的钥匙,并且管状构件(6,15,23,31)的外部也与硬化的浆料(12)键合或正确地接合。