Pile reamer with spoil container

Details Pile reamer with spoil container Pile reamer with spoil container

2005-02-15

2005-02-15

Dang, Hoang (Department: 3672)

Boring or penetrating the earth

With receptacle

Suspended below bit

C405S237000

Reexamination Certificate

active

06854536

ABSTRACT:
The present application relates to a tool having a cutting apparatus for enlarging a portion of an underground pile shaft. The tool is provided with a collecting device which is disposed below the cutting means in order that spoil generated when performing a cutting action on ground material surrounding the pile shaft can be collected. The size of the collecting device is adjustable thereby allowing the volume of spoil which may be accommodated by the collecting means to be varied. A compacting mechanism for compressing the spoil collected in the collecting device may also be provided for reducing the volume of the spoil.

REFERENCES:
patent: 167628 (1875-09-01), Summers
patent: 1406348 (1922-02-01), Corrigan
patent: 2031353 (1936-02-01), Harvey
patent: 3112802 (1963-12-01), Gustav et al.
patent: 3231029 (1966-01-01), Winberg
patent: 3414069 (1968-12-01), Kammerer, Jr.
patent: 2 222 621 (1990-03-01), None
patent: 60168813 (1985-09-01), None
patent: 1484878 (1989-06-01), None

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