Fluid sprinkling – spraying – and diffusing – With means fusing solid spray material at discharge means – With supply holder for fusible material
Patent
1977-04-19
1979-10-30
Love, John J.
Fluid sprinkling, spraying, and diffusing
With means fusing solid spray material at discharge means
With supply holder for fusible material
239143, B05B 720
Patent
active
041725581
ABSTRACT:
The apparatus comprises an explosion chamber made in the form of a tube closed at one end and accommodating at least one spark plug. The explosion chamber communicates with a chamber for preparation of an explosive mixture and with a batcher metering pulverulent coating material. The batcher includes a mixing chamber of the batcher communicating with a hopper via a passage. The passage accommodates a device for controlling the cross-sectional area thereof and is provided with a jet nozzle for positively feeding the coating material to the explosion chamber. A partition wall of a gas-permeable material is mounted within the hopper in equally spaced relation to the walls thereof to define an annular space communicating with a compressed gas source prevent self-compaction of the powder. A non-return valve is mounted in the batcher passage in the portion thereof connected to the hopper to close the passage in case of back impact from the explosion chamber.
This apparatus provides for more reliable cyclic batching of pulverulent coating material fed to the explosion chamber and is reliably protected against breakthrough of gas in case of back impacts from the explosion chamber as compared with conventional apparatus of the same type. This considerably improves the quality of coatings, especially when finely comminuted pulverulent coating materials based on refractory compounds are used.
REFERENCES:
patent: 2734782 (1956-02-01), Galle
patent: 3129889 (1964-04-01), Cape
patent: 3236422 (1966-02-01), Bailey et al.
patent: 3269428 (1966-08-01), Stockel et al.
patent: 3378310 (1968-04-01), Christensen
patent: 3441215 (1969-04-01), Cape
patent: 3884415 (1975-05-01), Zverev et al.
Bondarenko Alexandr S.
Zverev Anatoly I.
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