Cleaning pipes using mixtures of liquid and abrasive particles

Details Cleaning pipes using mixtures of liquid and abrasive particles Cleaning pipes using mixtures of liquid and abrasive particles

1980-11-06

1983-04-19

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

51321, 51411, 51439, 134 8, B08B 902

Patent

active

043804772

ABSTRACT:
Cleaning apparatus and method, particularly for the inner surfaces of pipes. A conical sheet water jet issues from a vortex chamber and a second conical sheet jet issues from a second vortex chamber in which the water and abrasive have swirled at lesser pressure. The two jets impinge to form a resultant conical jet which strikes and cleans the pipe wall. Guides hold the apparatus within the pipe so that the axes of the pipe and all the jets coincide, and the hoses by which water and abrasive reach the apparatus may also be used to help move the apparatus up and down the pipe. The axial sense of the resultant jet may be such that it exerts a "squeegee" action upon the pipe wall when the apparatus is withdrawn from the pipe by pulling the hoses.

REFERENCES:
patent: 2884745 (1959-05-01), Fritze et al.
patent: 2951319 (1960-09-01), Kornhaus
patent: 3427763 (1969-02-01), Maasberg et al.
patent: 3858358 (1975-01-01), Stachowiak et al.
patent: 3972150 (1976-08-01), Hart
patent: 4055025 (1977-10-01), Seese et al.
patent: 4125969 (1978-11-01), Easton

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