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Title: Corner-cutting mining assembly

Abstract

A mining assembly includes a primary rotary cutter mounted on one end of a support shaft and four secondary rotary cutters carried on the same support shaft and positioned behind the primary cutters for cutting corners in the hole cut by the latter.

Inventors:
 [1]
  1. San Antonio, TX
Issue Date:
OSTI Identifier:
864675
Patent Number(s):
4400036
Assignee:
Bradley, John A. (San Antonio, TX)
Patent Classifications (CPCs):
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21C - MINING OR QUARRYING
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21D - SHAFTS
DOE Contract Number:  
ET-78-C-01-3138
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
corner-cutting; mining; assembly; primary; rotary; cutter; mounted; support; shaft; secondary; cutters; carried; positioned; cutting; corners; cut; latter; support shaft; mining assembly; rotary cutter; /299/175/

Citation Formats

Bradley, John A. Corner-cutting mining assembly. United States: N. p., 1983. Web.
Bradley, John A. Corner-cutting mining assembly. United States.
Bradley, John A. Sat . "Corner-cutting mining assembly". United States. https://www.osti.gov/servlets/purl/864675.
@article{osti_864675,
title = {Corner-cutting mining assembly},
author = {Bradley, John A},
abstractNote = {A mining assembly includes a primary rotary cutter mounted on one end of a support shaft and four secondary rotary cutters carried on the same support shaft and positioned behind the primary cutters for cutting corners in the hole cut by the latter.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Jan 01 00:00:00 EST 1983},
month = {Sat Jan 01 00:00:00 EST 1983}
}