FIELD: technological processes.
SUBSTANCE: invention relates to pressure treatment of powder material including ceramic powder. Proposed device comprises moving surface configured to move powder material layer in preset feed direction (F). Sealing tape (22) is located above the surface. Pressing of sealing tape (22) to transporting surface is provided with clamping device. Provided is anti-expansion device (80) configured to control expansion of powder material layer downstream of clamping device by limiting expansion and/or deceleration thereof. This device comprises pusher unit (82) configured to release gas under pressure with creation of pushing gas cushion on sealing tape (22), providing application of force to it.
EFFECT: result is reduction of friction forces acting on sealing tape, reduced wear of pushing unit.
16 cl, 4 dwg
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