Title:
A hose release device, a rock-drilling unit, and a hose control method
Document Type and Number:
Japanese Patent JP5941179
Kind Code:
B2
Abstract:
The invention relates to a hose release device allowing a length change of a pressure medium hose (15) caused by expansion under high pressure (P2). The invention also relates to a method of managing hoses and executing a deflection to the hose so that extra length is reserved in the system.
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Inventors:
Youni Kinunen
Application Number:
JP2015049129A
Publication Date:
June 29, 2016
Filing Date:
March 12, 2015
Export Citation:
Assignee:
Sandvik Mining and Construction Oy
International Classes:
F16L3/21; E21B12/00; F16L3/18
Domestic Patent References:
| JP61142797U | ||||
| JP10318446A | ||||
| JP8285149A |
Attorney, Agent or Firm:
Atsushi Aoki
Tetsuro Shimada
Shinji Mitsuhashi
Yasushi Ohashi
Kentaro Ito
Kazuo Maejima
Tetsuro Shimada
Shinji Mitsuhashi
Yasushi Ohashi
Kentaro Ito
Kazuo Maejima