US 12,186,934 B2
Process and system for the production of slabs made of mineral grits bound with resins
Fabio Tarozzi, Luxembourg (LU)
Assigned to MEDICAL SOPARFI S.A, Luxembourg (LU)
Appl. No. 17/778,443
Filed by MEDICAL SOPARFI S.A, Luxembourg (LU)
PCT Filed Nov. 19, 2020, PCT No. PCT/IB2020/060932
§ 371(c)(1), (2) Date May 20, 2022,
PCT Pub. No. WO2021/099994, PCT Pub. Date May 27, 2021.
Claims priority of application No. 102019000021927 (IT), filed on Nov. 22, 2019.
Prior Publication US 2022/0410427 A1, Dec. 29, 2022
Int. Cl. B28B 1/00 (2006.01); B28B 11/00 (2006.01); B28B 11/04 (2006.01)
CPC B28B 1/005 (2013.01) [B28B 11/001 (2013.01); B28B 11/048 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A process for the production of slabs made of mineral grits bound with resins comprising at least the phases of:
supplying at least one basic mixture including mineral grits and resins;
dispensing said basic mixture over a molding support so as to obtain a slab to be compacted provided with an exposed surface facing upwards and a laying surface facing downwards;
compacting said slab to be compacted to obtain a compacted slab; and
hardening said compacted slab to obtain a slab made of said mineral grits;
at least one decoration with ink by digital printing of at least said basic mixture carried out prior to said compaction, wherein
said decoration includes at least one phase of pre-decoration by digital printing which is carried out prior to said dispensing, and
said decoration includes at least one phase of post-decoration by digital printing which is carried out after said dispensing.