Process for the formation of blocks of any material by means of

Plastic article or earthenware shaping or treating: apparatus – With separate and distinct upstream agitating or kneading means

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425335, 425347, 425412, 425421, 264 71, 264 73, 264 77, 264 85, 156 61, A01J 1700, A01J 2100, B29C 4122

Patent

active

046980105

ABSTRACT:
The process, conducted completely under vacuum, provides that a material of any kind (marble, stone or material of other nature) of variable particle size is introduced, together with a binder (organic or inorganic) into a mixer (2) and then, after having achieved the complete homogeneity of the mixture, is discharged in a convenient manner into a mouldbox (1) which is then transferred to the interior of a press (6) where the beam (8), provided with vibrators (10), subjects it to a combined action of pressure and vibration of the mass which the mixture in volume to result in blocks suitable to be cut into slabs or into blocks of lesser dimensions according to need.

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patent: 4522772 (1985-06-01), Beran
patent: 4544345 (1985-10-01), Buhler et al.
patent: 4551085 (1985-11-01), Epel et al.

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