Patent ID: 8485757
Filing Date: 2013-07-16
Classification: E02B

Abstract:
1. A shape-retention hoisting bag, comprising: a rectangular parallelepiped bag and adapted to be filled with soil; base bands provided along diagonal lines of the rectangular parallelepiped bag; a quadrangular-prism-shaped lift band having one end connected to a point of intersection of the base bands and the other end connected to a hanging portion; a plurality of quadrangular-prism-frame fixing bands surrounding the quadrangular-prism-shaped lift band; and a plurality of truss bands, each of the truss bands having one end secured to each of the fixing bands on each surface of the lift band between the lift band and the fixing band, each one of the truss bands having the other end secured to the base band at a point spaced apart by a given distance from a center of the lift band.