Sand blasting nozzle

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

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Details

51321, B24C 504

Patent

active

046336230

ABSTRACT:
Sand blasting nozzle, particularly for the decontamination of radioactive members by means of a jet formed from a mixture of water and abrasive particles.
It comprises an intake device able to produce a flat water jet, having an aperture angle .alpha. in the plane of the jet, within a vacuum chamber, a discharge member having in planes perpendicular to the flat jet, two divergent side walls substantially of aperture .alpha. and, on either side of the flat jet, two convergent walls forming an angle .beta., said discharge member forming an integral part of the vacuum chamber, and the angle .beta. being defined in such a way that within the chamber is produced an adequate vacuum to ensure that the flat jet entrains the abrasive particles introduced by a pipe carrying a mixture of gas and abrasive particles.

REFERENCES:
patent: 2039938 (1936-05-01), Schultz
patent: 2524097 (1950-10-01), Barr et al.
patent: 4449332 (1984-05-01), Griffiths

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