Expansion body

Details Expansion body Expansion body

E - Fixed Constructions

02

D

61/69

E02D 5/22 (2006.01) E02D 5/44 (2006.01) E21D 21/00 (2006.01)

Patent

CA 1181248

- 8 - Abstract: An expansion body for constructions like piles or anchorages located in the earth, said body being adapted for insertion into the ground in a compact shape and expanded therein to an expanded shape. The ex- pansion is achieved by unfolding a folded metallic casing (11) by filling it up with pressurized fluid. The casing which defines two opposed portions (16, 17) is folded in zigzag shape before the expan- sion with the folds (18) of one portion (16) falling into the folds (19) of the other portion (17).

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