METHOD AND APPARATUS OF ABRASIVE JET TYPE UNDERWATER CUTTING
PURPOSE:To improve cutting operability in a deep underwater depth with high speed fluid containing fluid having abrasive grains floated in a medium having viscosity larger than water when the high speed fluid containing the abrasive grains is jetted to an object in the water to cut the object. CONST...
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| creator | NAGATA YUKIAKI YAMAGUCHI HITOSHI URASAWA TADASHI KANEMITSU MASANORI DEMURA KENJI |
| description | PURPOSE:To improve cutting operability in a deep underwater depth with high speed fluid containing fluid having abrasive grains floated in a medium having viscosity larger than water when the high speed fluid containing the abrasive grains is jetted to an object in the water to cut the object. CONSTITUTION:Slurry containing abrasives in an underwater slurry tank 7 connected through a hose 13 to a slurry supply device 6 provided on the water are boosted by a pump 6 to be supplied to a nozzle 1 disposed in a nozzle shifting device 2. While the nozzle 1 is shifted along the peripheral surface of an object to be cut, the slurry (high speed fluid) mixed with high pressure water supplied from a super-high pressure pump 3 is jetted from the tip of the nozzle to cut the object. Then, the high speed fluid contains fluid having the abrasive grains floated in a medium having viscosity larger than water, for example high polymer solution to facilitate the grasp of cutting situation even during cutting operation in a deep depth of poor visibility. |
| format | Patent |
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CONSTITUTION:Slurry containing abrasives in an underwater slurry tank 7 connected through a hose 13 to a slurry supply device 6 provided on the water are boosted by a pump 6 to be supplied to a nozzle 1 disposed in a nozzle shifting device 2. While the nozzle 1 is shifted along the peripheral surface of an object to be cut, the slurry (high speed fluid) mixed with high pressure water supplied from a super-high pressure pump 3 is jetted from the tip of the nozzle to cut the object. 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CONSTITUTION:Slurry containing abrasives in an underwater slurry tank 7 connected through a hose 13 to a slurry supply device 6 provided on the water are boosted by a pump 6 to be supplied to a nozzle 1 disposed in a nozzle shifting device 2. While the nozzle 1 is shifted along the peripheral surface of an object to be cut, the slurry (high speed fluid) mixed with high pressure water supplied from a super-high pressure pump 3 is jetted from the tip of the nozzle to cut the object. Then, the high speed fluid contains fluid having the abrasive grains floated in a medium having viscosity larger than water, for example high polymer solution to facilitate the grasp of cutting situation even during cutting operation in a deep depth of poor visibility.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE FIXED CONSTRUCTIONS FORMS GRINDING HANDLING BUILDING MATERIALS ON THE SITE PERFORMING OPERATIONS POLISHING REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING TRANSPORTING |
| title | METHOD AND APPARATUS OF ABRASIVE JET TYPE UNDERWATER CUTTING |
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