Method of cleaning articles in a tank

Details Method of cleaning articles in a tank Method of cleaning articles in a tank

1984-11-26

1989-01-31

Coe, Philip R.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

15 3, 51437, 134 96, 134186, B08B 310

Patent

active

048013331

ABSTRACT:
Method in a cleaning machine wherein liquid is circulated alternatively with and without granules entrained therein, which are heavier than the liquid, liquid and granules or liquid only being drawn from a tank (11) by means of a pump (15) to be discharged therefrom under pressure towards the goods to be cleaned and is then allowed to flow back to the tank. Then, liquid only will be drawn from the tank at a level spaced above the surface (21) of a bottom layer (14) of granules in the tank while liquid and granules will be drawn from the bottom layer in the tank through a bottom outlet (17) of the tank. The invention also relates to a cleaning machine for working the method having an open-ended sleeve (29) which is guided to be vertically displaced between a position with the lower end engaging the bottom (12) of the tank (11) around a bottom outlet (17), and another position with the lower end lifted from the bottom.

REFERENCES:
patent: 3012262 (1961-12-01), Mori
patent: 3183120 (1965-05-01), Mori
patent: 3323159 (1967-06-01), Ummel
patent: 3395412 (1968-08-01), Derwin
patent: 3425078 (1969-02-01), Lazaga
patent: 4374443 (1983-02-01), Mosell

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