Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 1,605

Document Document Title
JP3187924U
[Subject] An inlet member a new and advanced crush hammer and for crush hammers is provided. [Means for Solution] As for a crush hammer, at entrance 16, at least one inlet member 20 is provided in the circumference of pressure medium lea...  
JP2013253407A
To provide a hard ground excavation method capable of shortening an excavation work period when excavating a pile hole in a hard ground consisting of a rock bed or boulder stones.A hard ground a consisting of a rock bed or boulder stones...  
JP5373205B2
An air hammer for a boring machine is provided, including: a main body including a hollow portion; a socket coupled to a side of the main body; a first bushing member including a sealing part coupled to the main body and a piston guide p...  
JP2013238031A
To provide a hydraulic type work machine capable of efficiently and surely operating a large-sized work device by supplying hydraulic oil from an external large-output hydraulic unit.The hydraulic type work machine includes an external h...  
JP2013227767A
To provide an installation method for a frame, which can facilitate construction.An installation method for a frame 1 includes the steps of: attaching leg holding parts 31 of fixtures 2 to legs 22 and 23 of the frame 1; bringing the legs...  
JP3185932U
[Subject] A crush hammer which has a flashing system which is connected with a crush hammer, supplies flashing fluid to a destructive subject, and enables prevention of formation of particulates under destruction is provided. [Means for ...  
JP2013534281A
[Subject] The present invention relates to a method of removing a drill rod stand (17) from the supporting structure (27) and a tap hole excavator of a drill rod (15) of a tap hole excavator (10). [Means for Solution] A digging blow mech...  
JP5260057B2  
JP2013530328A
It is an oscillating device for a downhaul assembly possessing the 1st assembly and the 2nd assembly, and is each of an assembly, It has a magnetic array around a common axis, fluid supply or other suitable actuators cause relative rotat...  
JP5244812B2  
JP2013525651A
An attenuation piston (5) which the present invention equipped with an axial adapter (3) and a front end side (18), Rotational chuck bushing (4) provided with a stop end side for attenuation piston (5) (14), and a front end side (16), It...  
JP2013525643A
Device for a hydraulic hammer (1), in which there is a hydraulic impact system and a work point (2) for performing work, for preventing damage caused by ricocheting pieces. The device is formed of a shield (6) that can be lowered to the ...  
JP2013524052A
The present invention relates to a liquid pressure type shock device which has a device (1) which can be displaced in a casing (11), and is in a casing (11), The first chamber (5) connected to a return line (7) of oil pressure oil in a d...  
JP2013518198A
At least one copy of a pressure fluid style of a liquid pressure circuit of a device (12, 13, 29, 36, 40) which achieves at least one function of a rock drill (5) in a lubricating method of a drill shank (9) of a rock drill (5), For the ...  
JP5196506B2  
JP2013515182A
An air hammer for a boring machine is provided, including: a main body including a hollow portion; a socket coupled to a side of the main body; a first bushing member including a sealing part coupled to the main body and a piston guide p...  
JP2013514893A
A method and measuring device for determining the usage rate of a breaking hammer, and to a rock breaking device. The measuring device comprises a sensor for measuring a physical phenomenon caused by the operation of the percussion devic...  
JP3182810U
[Subject] チゼル for oil pressure breakers which raised holding power of チゼル of a main part of a breaker, and raised permission 曲げ stress of チゼル is provided. [Means for Solution] Part hits 21 of a rear end part hit by ...  
JP5160558B2  
JP2013019260A
To provide drilling equipment capable of rapidly and reliably performing construction of a sheet pile in hard soil.Drilling equipment 1 has a hammer bit 14 attached to a rod, which is supported in such a rotatively driveable manner, via ...  
JP5132829B1
[Subject] When excavating a pile hole on the hard foundation which consists of a base rock or 転石, it is in providing a hard foundation drilling construction method which can shorten the excavation work period. [Means for Solution] Ha...  
JP5122070B2
The invention relates to a rock breaking machine and to a method of lubricating a tool of a rock breaking machine. The lubricating system comprises at least one lubricant channel (23) into which lubricant is fed by a lubricating device (...  
JP2013007206A
To prevent the generation of a difference in excavation resistance between drilling rods and the occurrence of a blank shot when a slot in which a plurality of holes are arranged in series is formed on a base rock with a plurality of dri...  
JP2013007214A
To prevent the generation of a difference in excavation resistance between drilling rods and the occurrence of a blank shot when a slot in which a plurality of holes are arranged in series is formed on a base rock with a plurality of dri...  
JP5061195B2  
JP2012525512A
The present invention relates to structure in a drilling device (10) which has arranged an inhalation valve (31) upstream of a displacement type compressor (32) used in order to supply an air style (34) to at least one flashing hole (23)...  
JP2012520400A
A subterranean loop insertion device for geothermal heat pump systems is provided. The 1st fluid pipe for this device being connected to a shock excavator (percussion mole) and the excavator concerned, and conveying heat exchange fluid f...  
JP5009779B2  
JP2012130975A
To improve the efficiency of operation when fracturing an object to be fractured such as the ground or rock.A chisel 3 is rotatable about a reciprocation axis X0 relative to a device body part 1 using a rotary mechanism 4. Accordingly, e...  
JP2012107501A
To provide a coupler for a crushing tool hanging cable body for easily adjusting a blade length direction of a crushing blade with respect to a crushing target portion of a structure and for efficiently performing structure crushing oper...  
JP2012077474A
To provide a breaking device which has no limitation on the shape of a breaking object or the like and does not noise over a long period of time either.The breaking device includes: a striking body comprising a heavy object; guide means ...  
JP4913739B2  
JP4898780B2  
JP2012505328A
An arrangement and a method for controlling at least one drill parameter when drilling in rock with a rock drill, comprising an impulse-generating device arranged to induce shock waves in a tool acting against the rock with a percussive ...  
JP4874964B2  
JP2012006096A
To develop and provide a vibration-proof and sound-proof crusher having excellent vibration-proof and sound-proof properties, strong in metal fatigue breakage and excellent safety, working efficiency and economic efficiency.In the crushe...  
JP4851386B2  
JP4841653B2  
JP4791552B2  
JP4792508B2  
JP4786768B2  
JP2011525575A
The invention relates to a rock-drilling unit, drill bit changer, and method for changing a drill bit.The front part of a feed beam (5) has a retainer (14) and a drill bit changer (15) connected thereto.In changing drill bits (14), a nor...  
JP4769864B2  
JP4769863B2  
JP4769862B2  
JP2011163102A
To provide a boring method for forming excavated holes, which compacts the excavated holes from within the ground with a simple rotary device using a rotational force generated in a spiral pipe accompanying percussive penetration at perc...  
JP2011523599A
The invention relates to an arrangement designed to be inserted in a cavity (19) in a front part (14) of a rock drilling machine with a shank adapter (16). The arrangement comprises a cartridge (1) with a flushing head (2) and a guide (3...  
JP4751324B2  
JP4708673B2  
JP4684413B2  

Matches 351 - 400 out of 1,605