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State-of-the-art of Down-the-hole-tools.

Authors
Reich-WL
Source
For Reference Only At Bureau Libraries :11 pages
Link
NIOSHTIC No.
10001755
Abstract
This report provides the state-of-the-art of down-the-hole percussive drilling devices and recommendations as follows for research and development: 1. Rather than spend monies on research and development of new equipment, pursue actual drilling programs designed to test the latest equipment and techniques. 2. Allow actual testing programs in themselves to develop new methods and techniques as they progress toward the ultimate program goals. 3. Bring all factors on drilling techniques together in a test program to develop the proper balance, sequence, and procedure to accomplish the desired results.
Publication Date
19720101
Document Type
CP; Final Contract Report;
Fiscal Year
1972
NTIS Accession No.
NTIS Price
Identifying No.
OFR 37-73
NIOSH Division
TCRC;
Source Name
For Reference Only At Bureau Libraries
Performing Organization
Reico Industries
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