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1. Suitable for the critical working site, below 70dB, such as the residential area
2. Steady powerful impact
3. Impact noise absorbing system
4. Convenient installation to all kinds of parts
 
 
 Patent# 100435827  Noise-Damping Device of Breaker for Excavator
Purpose
A noise-damping device of breaker for an excavator is provided to reduce
noise of the breaker and to reduce public hatred caused by noise pollution during construction, by covering and closing up a noise generation part of the breaker and then injecting a filling material into the breaker and sealing up the breaker.
 
Patent#100529508  Piston and Road Structure of Breaker for an Excavator, for Absorbing Vibration and Noise and Regulating Striking Force and Weight of a Piston
Purpose
A piston and rod structure of breaker for excavator is provided to reduce
noise and vibration by absorbing striking noise with a striking noise absorbing Unit, and to improve performance of the excavator by adjusting the weight of the striking noise absorbing Unit conveniently with an absorbing Unit adjusting unit.
 
Patent#100647466  Low Noise Apparatus of a Breaker for Excavator for Reducing
Noise by Embedding a Noise Absorbing Body in a Piston and a Rod of the Breaker
Purpose
A low noise apparatus of breaker for an excavator is provided to absorb
and decrease noise in striking or crushing by entirely surrounding a noise generating part of the breaker and embedding a striking noise absorbing body in a piston and a rod, and to improve working efficiency by simply fixing or separating a cylinder.
 
Patent #100435827  Noise-Damping Device of Breaker for Excavator
; by Korean Intellectual Property Office, 02.06.2004

Patent#100529508  Piston and Rod Structure of Breaker for an Excavator,
for Absorbing Vibration and Noise and Regulating Striking Force and Weight
of a Piston ; by Korean Intellectual Property Office, 11.11.2005

Patent#100647466  Low Noise Apparatus of Breaker for Excavator for Reducing
Noise by Embedding a Noise Absorbing Body in a Piston and a Rod of the Breaker
; by Korean Intellectual Property Office, 13.11.2006
 
Registration #30-0458115, Certificate of Design Registration
Breaker for Excavator by Korean Intellectual Property Office, 07.30.2007

ISO 14001:2004/KSA 14001:2004, #ESC 1550,
by Korea Int'l Standards Certification, 04.05.2006

ISO 9001:2000/KSA 9001:2001, #DKQ-2199,
by DAS Certification Ltd. 11.07.2005

TUV NORD Registered No.K1285/M06, Certificate of conformity with the following
European Directives, Hydraulic Breaker, 16.08.2006
 
 
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