Apparatus and associated method for padding a trench

E - Fixed Constructions – 02 – F

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E02F 5/22 (2006.01) F16L 1/028 (2006.01)

Patent

CA 2232519

A method of padding a trench (12) includes the steps of automatically gathering at least a portion of spoil (74) with a padding machine (10) from the berm (8) of a trench (12), automatically pulverizing at least part of the spoil (74) to form a pulverized material (82), and automatically conveying the pulverized material (82) to the trench. The gathered material can be separated into at least two grades of material, only one of the grades of material (78) being pulverized, another of the grades of material (76) being returned to the berm (8). The pulverized material can be collected for use as a sandblasting sand.

L'invention porte sur un procédé de remplissage d'une tranchée (12) consistant à rassembler automatiquement à l'aide d'une remblayeuse (10) au moins une partie des matériaux excavés (74) formant la berme (8) de la tranchée (12) puis à pulvériser automatiquement une partie au moins desdits matériaux (74) pour constituer un matériau pulvérisé (82), puis à transporter automatiquement le matériau pulvérisé (82) dans la tranchée. Le matériau rassemblé peut être séparé en au moins deux types dont l'un (78) seulement est pulvérisé, l'autre matériau (76) retournant sur la berme (8). Le matériau pulvérisé peut être recueilli pour servir de sable de sablage.

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