FIELD: mechanics. SUBSTANCE: gate has a body with movable and stationary plates mounted inside, and a cup-collector which has an annular cavity with gas feed. An annular shoulder is made on the inner cavity of the body adjacent to the cup-collector. An annular distributing chamber which passes into a slotted nozzle is located below the shoulder. A gas duct is connected to the annular distributing chamber. The cup-collector is made with a threshold on the side surface resting against the body shoulder. EFFECT: improved structure. 2 cl, 2 dwg
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Authors
Dates
1994-02-15—Published
1991-04-08—Filed