Liquid/abrasive jet cutting apparatus

Details Liquid/abrasive jet cutting apparatus Liquid/abrasive jet cutting apparatus

1986-10-01

1987-11-24

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51436, 51439, B24C 500

Patent

active

047079525

ABSTRACT:
The apparatus confines abrasive slurry in one chamber of a dual-chamber reservoir having a piston sealing between the two chambers. Pump-pressured water is conducted to the other chamber (a) to displace the piston and, consequently, (b) to pressure the slurry. A fluid line conveys the pressured slurry to a central, orifice-terminated, channel formed in the axial center of a nozzle, and another fluid line conveys pump-pressured water to an annular conduit, formed in said nozzle, which circumscribes the central channel. The annular conduit also terminates in an orifice. Both orifices are axially aligned, the latter one being of greater diameter than the former. Upon emerging from the aforesaid conduit and channel, the water and slurry accelerate together in a convergent chamber of the nozzle to discharge via the larger-diameter, final exit orifice.

REFERENCES:
patent: 2985050 (1961-05-01), Schwacha
patent: 4545157 (1985-10-01), Saurwein

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