Pile hammer cushion block

Details Pile hammer cushion block Pile hammer cushion block

1979-10-31

1983-01-04

Schroeder, Werner H.

Tool driving or impacting

Impacting devices

Impact transmitting anvil

173139, B25D 1712, F16F 1504

Patent

active

043668704

ABSTRACT:
A block of cushioning material arranged to be disposed in a cavity within a drive cap of a pile hammer, the drive cap being positioned on the upper end of a pile for impact engagement by the ram with the block of cushioning material during a pile driving operation, the block of cushioning material being of high heat conductivity and arranged in heat transfer relationship with the inner wall of the cavity whereby hysteresis heat generated within the block of cushioning material during impact driving is conducted by the block to the drive cap acting as a heat sink for ultimate radiation of the heat into the ambient air.

REFERENCES:
patent: 839189 (1906-12-01), Oberbeck
patent: 839439 (1906-12-01), Underdown
patent: 1178143 (1916-04-01), Evans
patent: 1473450 (1923-11-01), Thornton
patent: 1585600 (1926-05-01), Proctor
patent: 1657387 (1928-01-01), Goldschmidt
patent: 1943420 (1934-01-01), Budd
patent: 2226589 (1940-12-01), Smyers
patent: 2931186 (1960-04-01), Frederick
patent: 2993806 (1961-07-01), Fisher et al.
patent: 3051598 (1962-08-01), Chipman et al.
patent: 3427264 (1969-02-01), Forster et al.
patent: 3455864 (1969-07-01), Dodson et al.
patent: 3900644 (1975-08-01), Sackoff et al.

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