Cleaning method and apparatus

Details Cleaning method and apparatus Cleaning method and apparatus

1984-07-31

1986-10-14

Metz, Andrew H.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

134 11, 134 12, 134 13, 51319, 51320, B08B 700

Patent

active

046170642

ABSTRACT:
A particle-blast cleaning apparatus using sublimable carbon dioxide pellets and a high pressure carrier gas. The apparatus includes a body which houses a rotary pellet transport. The transport conveys pellets from a gravity feed storage hopper to a high pressure carrier gas stream for application of the pellets to a discharge nozzle. Leakage of high pressure gas into the rotary transport is inhibited by the application of a force of gas seals which force is derived from carrier gas pressure. The apparatus enables the use of relatively high pressure carrier gas, the complexity and cost of the apparatus and method.

REFERENCES:
patent: 2665119 (1954-01-01), Broman
patent: 3344558 (1967-10-01), Kirkland
patent: 3676963 (1972-07-01), Rice et al.
patent: 3702519 (1972-11-01), Rice et al.

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