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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0684979 (1991-04-10) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
Method and apparatus are disclosed for removing solid material from a workpiece by using a high velocity stream of ice which is caused to impinge on the workpiece. A working liquid, such as water, is supplied at high pressure to a discharge nozzle with an orifice for forming the needle-like stream.
A method of cutting a solid workpiece, comprising the steps of: forcing a high pressure stream of working liquid through a conduit located within a cutting tool, flowing a cryogenic fluid coaxially about said conduit to cool said working liquid to a temperature sufficient to cause solidification of
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