Title:
SILENCER, AND ROCK DRILL WITH SILENCER
Document Type and Number:
Japanese Patent JP2008308970
Kind Code:
A
Abstract:
To provide a silencer capable of reducing the exhaust sound of operating gas from a rock drill to reduce the noise of the rock drill and maintaining easiness in handling the rock drill.
The silencer 3 for reducing the exhaust sound of exhaust gas of the rock drill 1 operating a rock drilling part 13 for drilling a drilled rock 51, with the operating gas F and exhausting the operating gas F as the exhaust gas G from an exhaust part 14 after operation comprises: a connecting part 34 connected to the exhaust part; a flexible exhaust inflow tube 33 through which the exhaust gas exhausted from the exhaust part flows; and a silencing part 31 introducing the exhaust gas from the exhaust inflow tube to flow through and reducing exhaust sound.
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Inventors:
TAKEHARA FUJIO
Application Number:
JP2007183715A
Publication Date:
December 25, 2008
Filing Date:
June 15, 2007
Export Citation:
Assignee:
TAKEHARA FUJIO
International Classes:
E21B1/00; B25D17/12