Excavation apparatus and method

Details Excavation apparatus and method Excavation apparatus and method

2007-03-20

2007-03-20

Kreck, John (Department: 3673)

Mining or in situ disintegration of hard material

Processes

C299S018000

Reexamination Certificate

active

11112754

ABSTRACT:
In one embodiment, an excavation method is provided that includes the steps of:(a) contacting a rotating powered cutting head440of an excavator400with an excavation face452, wherein, at any one time, a first set of the cutting elements is in contact with the excavation face and a second set of the cutting elements is not in contact with the excavation face, the cutting head excavating the excavation face in at least a first direction; and(b) during the contacting step, using an elongated support member404extending from the excavator400to a powered device118to apply a force to the excavator400in at least the first direction to provide at least a portion of the cutting force. The powered device118is located at a distance from the excavator400.

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