B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
32/63
B05B 7/14 (2006.01)
Patent
CA 1107953
ABSTRACT An apparatus comprises an explosion made in the form of a tube closed at one end which accomiodates 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, via a mixing chamber of the batcher communicating with a hopper, via a passage. The passage incorporates 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 preventing self- compaction of the powder. A non-return valve is mounted in the batcher passage, in the portion thereof connected to the hopper which shuts-up 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 break-through of gas in case of back impact from the explosion chamber as compared with conventional apparatus of the same type. This considerably improves quality of coatings, especially when finely commented pulverulent coating materials based on refractory compounds are used.
275720
Bondarenko Alexandr S.
I. Zverev,anatoly
Bondarenko Alexandr S.
I. Zverev,anatoly
Swabey Ogilvy Renault
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