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Personal Equipment for Low Seam Coal Miners: X. Improved Knee Pads, a Modified Design.

Authors
Sanders-MS; Shaw-BE
Source
Available for Reference At Bureau Libraries :23 pages
Link
NIOSHTIC No.
10006113
Abstract
This report describes the development and field test to improve knee protection for underground coal miners working in low seam mines. In a previous phase of this contract (sanders, 1982), experimental knee pads were developed and field tested. The field test revealed several design deficiencies with the knee pads, and suggestions for improving the design were made. The work summarized in this report, therefore, consists of modifying the design and method of fabrication of the knee pads originally described by sanders (1982), and of field testing the improved design. The new prototype was shorter and wider than the original design, and used a neoprene pass- through strap design rather than a cloth strap molded into the pad itself. The new prototype was constructed by slush molding a hollow bladder that was then filled with foam. Problems were encountered in the field with respect to durability. It was concluded that it would not be cost-effective or feasible to significantly improve upon current commercially available knee pad designs.
Publication Date
19860101
Document Type
CP; Final Contract Report;
Fiscal Year
1986
NTIS Accession No.
PB88-209333
NTIS Price
A03
Identifying No.
OFR 21-88
NIOSH Division
PRC;
Source Name
Available for Reference At Bureau Libraries
Performing Organization
Essex Corporation
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