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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0695277 (1991-05-03) |
우선권정보 | JP-0145165 (1990-06-02) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 7 인용 특허 : 0 |
A pile driver is disclosed, in which an adapter for transmitting the hammering force of a hammer provided in a hydraulically driven vibrator to a member to be driven into the ground is provided between the hammer and driven member. The adapter is formed with an oil accommodation section, in which a
A method of driving a member into the ground by hammering a head of the member, which comprises the steps of: providing a hammer for driving the head of the driven member; providing a vibrator for providing an impact force to the hammer; providing between the hammer and the driven member an adapter
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