Patent ID: 8074745
Filing Date: 2011-12-13
Classification: B26F,C10B,Y10T

Abstract:
1. Tool for crushing coke, including a casing which, in an operational state is connected to a drill rod; at least one cutting nozzle for cutting of coke and at least one drill nozzle for drilling of coke; at least one valve for controlling a direction of flow of water flowing through the drill rod and the casing through the at least one cutting nozzle and through the at least one drill nozzle; at least two flow passages within the casing; each said flow passage respectively forming closed-off regions and being associated individually with a feed aperture and each said flow passage extending respectively between the associated feed aperture and one of the cutting nozzle and the drill nozzle; and the at least one valve closing and opening the feed apertures and being provided in an inlet of the casing in a region of the feed apertures, wherein in the operational state of cutting, the feed aperture to the drilling nozzle is completely closed by the at least one valve and in the operational state of drilling, the feed aperture to the cutting nozzle is completely closed by the at least one valve.