Tool for crushing coke

Details Tool for crushing coke Tool for crushing coke

2008-04-30

2011-12-13

Singh, Sunil (Department: 3672)

Boring or penetrating the earth

With means movable relative to tool or shaft to control...

C137S625310

Reexamination Certificate

active

08074746

ABSTRACT:
A tool for crushing coke includes a casing which in the operational state is connected to a drill rod and on or in which is arranged at least one cutting nozzle and one drill nozzle for drilling coke and at least one valve for controlling a direction of flow of water flowing through the drill rod and the casing through the cutting nozzle and the drill nozzle.

REFERENCES:
patent: 3804186 (1974-04-01), Schoeffler
patent: 4923021 (1990-05-01), Courmier et al.
patent: 5816505 (1998-10-01), Tran et al.
patent: 2002/0005299 (2002-01-01), Estep et al.
patent: 3941953 (1990-07-01), None
patent: 1120693 (1985-05-01), None
patent: 1234414 (1986-05-01), None
patent: WO 03014261 (2003-02-01), None

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