Method of and apparatus for driving piles

Details Method of and apparatus for driving piles Method of and apparatus for driving piles

1991-05-03

1992-02-18

Watts, Douglas D.

Tool driving or impacting

Processes

1731621, 173DIG2, E02D 700

Patent

active

050885642

ABSTRACT:
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 head portion to be hammered by the hammer is formed. The oil accommodation section is filled with oil such that the head portion is immersed in oil. A cooling unit is provided such that it surrounds the adapter. A cooling medium is circulated through the cooling unit by a circulating unit.

REFERENCES:
patent: 3861494 (1975-01-01), Grego
patent: 4262755 (1981-04-01), Kuhn

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