Method and a device for swivelling a spray nozzle about a swivel

Details Method and a device for swivelling a spray nozzle about a swivel Method and a device for swivelling a spray nozzle about a swivel

1977-05-31

1979-05-29

Saifer, Robert W.

Fluid sprinkling, spraying, and diffusing

Processes

Of discharge modification of flow varying

239187, 239587, B05B 1508

Patent

active

041565037

ABSTRACT:
A method and a device for swivelling a spray nozzle, especially for spraying concrete, over a sector between two turning positions. The speed of the swivelling movement is kept constant, regardless of the nozzle attitude. By overriding an automatic swivel control unit, the turning positions can be replaced, and once the override ceases, automatic swivelling resumes between the new turning positions.

REFERENCES:
patent: 3153510 (1964-10-01), Brannfors et al.
patent: 3531054 (1970-09-01), Pulk
patent: 3860175 (1975-01-01), Westerlund et al.
patent: 3957203 (1976-05-01), Bullard

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