System and method for controlling blasting apparatus

Details System and method for controlling blasting apparatus System and method for controlling blasting apparatus

1989-11-06

1992-03-24

Rachuba, M.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51410, 51415, 51427, B24B 4900

Patent

active

050976338

ABSTRACT:
Operation of a blasting hose is controlled safely and efficiently by the operator at the nozzle by means of a switch-controlled circuit housed at the nozzle and connected to circuits at the blast pot by means of a three-wire cable arranged to stop operation of the blast pot if a main switch held by the operator is released by the operator. The switch-controlled circuit includes a tone generator to produce tones correlated to changing the mix of blast agent and air, as well as cutting off the supply of either or both.

REFERENCES:
patent: 3858358 (1975-01-01), Stachowiak et al.
patent: 4075789 (1978-02-01), Dremann
patent: 4873855 (1989-10-01), Thompson

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