Sand blasting apparatus

Details Sand blasting apparatus Sand blasting apparatus

1983-10-11

1985-11-12

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

2394245, 2394195, B24C 504

Patent

active

045519552

ABSTRACT:
An apparatus fitted over the end of a sand blasting tool, for forming around the jet of sand, a thin water cocoon to eliminate sand dust during sand blasting operations. In one example, the jet of sand passes through an axial bore in the apparatus fitted over the sand blasting tool creating a negative pressure. Water, which is supplied from two chambers in the apparatus adjacent to the axial bore and located on the inner face of the apparatus at the junction of the apparatus and the sand blasting tool, is drawn by the negative pressure created by the sand jet across the inner surface of the apparatus into the axial bore around the sand jet. Air from intake holes in the apparatus causes the water to atomize as it is being drawn into the axial bore. The sheeting effect on the water across the apparatus inner surface combined with the misting effect from the air intake holes causes a thin, cylindrical mist to form around the jet of sand.

REFERENCES:
patent: 2440334 (1948-04-01), Gerlach
patent: 2577664 (1951-12-01), Pro
patent: 2587184 (1952-02-01), Marjama
patent: 2717476 (1955-09-01), Myers
patent: 2801133 (1957-07-01), Ridley
patent: 3424386 (1969-01-01), Maasberg et al.

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