E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/69
E02D 5/24 (2006.01) E02D 5/54 (2006.01) E02D 5/80 (2006.01)
Patent
CA 1195518
Abstract An expansion body for constructions like piles or anchor- ages located in the earth is adapted for insertion into the ground in a compact shape and expanded therein to an expanded shape. The expansion is achieved by unfolding a folded metallic casing by fil- ling it up with pressurized fluid. Each end of the elongated body is sealed by a closure comprising a socket with a sleeve encircling the near end part of the casing and a bottom plate with spacing means projecting into the inside of the casing. The sleeve and spacing means define an annular space in which the end parts are kept in a folded position when the body is expanded.
443249
Granstrom Bengt P.o.
Skogberg Bo T.
Atlas Copco Aktiebolag
Fetherstonhaugh & Co.
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