FIELD: process engineering.
SUBSTANCE: invention relates to conical crusher including the piston. Cylindrical hollow piston (31) comprises wall (34), top part (32) and bottom part (33). Piston wall comprises at least one opening (391). Wall opening extends into piston inner chamber. Piston wall comprises outer sliding surface and inner surface of the chamber. Piston comprises at least one supporting structure (36). To facilitate the support of the piston top part said supporting structure connects piston top part (32) and piston bottom part (33).
EFFECT: increased crushing force at unchanged sizes.
17 cl, 12 dwg
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