Air cushioned vacuum blast head

Abrading – Machine – Sandblast

Patent

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Details

451101, 451102, 451 98, B24C 900

Patent

active

058335218

ABSTRACT:
A blast head has an air cushion device that directs a flow of relatively high velocity air inwardly and toward the surface being blasted from around the periphery of the blast head. This air flow creates a barrier preventing the escape of particles and debris from the blast head and also creates a so-called ground effect; i.e. the air flow between the head and the surface creates a force that lifts the head off the surface being blasted so that the head floats on cushion of air.

REFERENCES:
patent: 3715838 (1973-02-01), Young et al.
patent: 4064661 (1977-12-01), Maeda
patent: 4563840 (1986-01-01), Urakami
patent: 5210996 (1993-05-01), Fassauer
patent: 5553347 (1996-09-01), Inoue et al.

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