FIELD: manufacture of products from frothing materials. SUBSTANCE: device has upper half-mould in the form of a cover, hinge-joined to base, lock and lower half-mould. The latter is mounted on a holder for movement by means of mould compression and fixing mechanism positioned between the holder and base. The mould compression and fixing mechanism is made as an elastic chamber connected to compressed air line, and hydraulic cylinders connected through pipings to stop valves with a vessel for working fluid. EFFECT: improved design. 3 cl, 1 dwg
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