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Title: High pressure water jet mining machine

Patent ·
OSTI ID:863877

A high pressure water jet mining machine for the longwall mining of coal is described. The machine is generally in the shape of a plowshare and is advanced in the direction in which the coal is cut. The machine has mounted thereon a plurality of nozzle modules each containing a high pressure water jet nozzle disposed to oscillate in a particular plane. The nozzle modules are oriented to cut in vertical and horizontal planes on the leading edge of the machine and the coal so cut is cleaved off by the wedge-shaped body.

DOE Contract Number:
ET-75-C-01-9097
Assignee:
Curators of University of Missouri (Columbia, MO)
Patent Number(s):
US 4265487
Application Number:
06/082,537
OSTI ID:
863877
Country of Publication:
United States
Language:
English