Patent ID: 11938652
Assignee: DARIO TONCELLI
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 13:
14. A plant for the production of slabs made of composite stone material from a mix containing granules of stone or ceramic or glass material and a binder, comprising:
at least one temporary support or mould;
a distributor for the mix designed to distribute a layer of mix on said at least one temporary support or mould;
a station for performing compaction by means of vacuum vibro-compression of the mix arranged on the at least one temporary support or mould;
a station for hardening the mix in order to form the finished slabs;
wherein the plant comprises a device positioned downstream of said distributor and upstream of said compaction station and comprising means which act on the top surface of the mix for pre-compaction and levelling of the mix arranged on the at least one temporary support or mould; and
wherein said pre-compaction and levelling means comprise one of a plate, a rake, or a scraper, the one of plate, rake, or scraper having a horizontal axis of rotation perpendicular to said feeding direction and lying in a plane parallel to said feeding direction and being positioned at a variable working height with respect to a horizontal supporting surface of the temporary support.