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U.S. Bureau of Mines Makes a Compact Retrofit Muffler for Rock Drills.

Authors
Visnapuu-A; Martin-JR; Lay-SE; Schwaneke-AE
Source
Eng and Min J 1978 Oct; 179(10):90-94
Link
NIOSHTIC No.
10009734
Abstract
Some new drills are supplied with integral muffling, but a large number of older drills still in service have no mufflers. The retrofit muffler described here is an excellent way of reducing the exhaust-air noise of standard rotary percussion drills and other unmuffled pneumatic drilling systems.
Publication Date
19781001
Document Type
OP;
Fiscal Year
1979
NTIS Accession No.
NTIS Price
Identifying No.
OP 55-78
Issue of Publication
10
NIOSH Division
RORC;
Source Name
Eng. and Min. J., V. 179, No. 10, October 1978, PP. 90-94
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