Title:
BACKHEAD OF HYDRAULIC BREAKER
Document Type and Number:
WIPO Patent Application WO/2015/046833
Kind Code:
A1
Abstract:
The present invention relates to a backhead of a hydraulic breaker, which allows an existing backhead to be separated from a conventional hydraulic breaker case and the backhead to be fastened thereto, thereby having compatibility, and which increases supplementary nitrogen gas pressure, thereby improving the impact energy of the breaker.
Inventors:
LEE YOUNG WOOK (KR)
NO JUN HO (KR)
NO JUN HO (KR)
Application Number:
PCT/KR2014/008769
Publication Date:
April 02, 2015
Filing Date:
September 22, 2014
Export Citation:
Assignee:
LEE YOUNG WOOK (KR)
NO JUN HO (KR)
NO JUN HO (KR)
International Classes:
E21B1/24; E21B1/26
Foreign References:
| JP2001341082A | 2001-12-11 | |||
| JPH07214479A | 1995-08-15 | |||
| KR100820644B1 | 2008-04-08 | |||
| KR960023590U | 1996-07-22 | |||
| JPH08323648A | 1996-12-10 |
Attorney, Agent or Firm:
KANG, Kyung Chan et al. (KR)
강경찬 (KR)
강경찬 (KR)
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