Abstract: A shape-retaining hoist type rectangular parallelepiped bag includes: a rectangular parallelepiped bag that is a generally rectangular parallelepiped-shaped bag that has an internal space to accommodate an accommodated object; a bottom surface holding mechanism configured to hold a bottom surface by application of a tensile force thereto; a side surface holding mechanism configured to hold a side surface by application of a tensile force thereto; a central hanging body configured to extend in a vertical direction with one end thereof being fixed to a center of the bottom surface of the rectangular parallelepiped bag and hold the bottom surface holding mechanism and the side surface holding mechanism at intermediate positions in the vertical direction; and a ring-shaped hook holding portion connected to the other end of the central hanging body, to which a hook is to be attached.

Abstract: A shape-retaining hoist type rectangular parallelepiped bag includes: a rectangular parallelepiped bag that is a generally rectangular parallelepiped-shaped bag that has an internal space to accommodate an accommodated object; a bottom surface holding mechanism configured to hold a bottom surface by application of a tensile force thereto; a side surface holding mechanism configured to hold a side surface by application of a tensile force thereto; a central hanging body configured to extend in a vertical direction with one end thereof being fixed to a center of the bottom surface of the rectangular parallelepiped bag and hold the bottom surface holding mechanism and the side surface holding mechanism at intermediate positions in the vertical direction; and a ring-shaped hook holding portion connected to the other end of the central hanging body, to which a hook is to be attached.

Abstract: A shape-retention hoisting including a rectangular parallelepiped bag. Base bands are provided along diagonal lines of the rectangular parallelepiped bag. A quadrangular-prism-shaped lift band is secured to a point of intersection of the base bands. One end of a truss band is secured by a fixing band surrounding the quadrangular-prism-shaped lift band, and the other end thereof is secured to the base band at a point spaced apart by a given distance from the center of the lift band. In this way, a plurality of truss bands can be disposed on the lift band in the vertical direction, thereby resolving a weight applied to a single truss band and maintaining the shape of the shape-retention hoisting bag.

Abstract: PROBLEMS: To provide a shape-retention-type hoisting rectangular parallelepiped bag which can be used as a sand bag in which soil can be packed down, and can be easily piled up while maintaining its shape. SOLVING MEANS: Base bands 24 are provided along diagonal lines of a rectangular parallelepiped bag 11 in a rectangular parallelepiped shape filled in with soil. A quadrangular-prism-shaped lift band 30 is secured to a point of intersection of the base bands 24. One end of a truss band is secured by a fixing band 31 surrounding the quadrangular-prism-shaped lift band 30, and the other end thereof is secured to the base band at a point spaced apart by a given distance from the center of the lift band. In this way, a plurality of truss bands can be disposed on the lift band 30 in the vertical direction, thereby resolving a weight applied to a single truss band and maintaining the shape of the shape-retention-type hoisting rectangular parallelepiped bag 1.