公开(公告)号：US11534938B2

公开(公告)日：2022-12-27

申请号：US17050907

申请日：2019-04-19

Applicant: SYSTEM CERAMICS S.P.A.

Inventor： Franco Gozzi ,  Ivan Ghirelli ,  Franco Stefani

IPC: B28B13/02 ,  B30B15/30

Abstract: Levelling device for materials in powder or granule form, comprising: a rest plane (2), mobile in advancement along a longitudinal direction (X) and predisposed to transport a layer (L) having a thickness (S) of material in powder or granule form. The device comprises a leveller (5,6), positioned above the rest plane (2).

公开(公告)号：US12109725B2

公开(公告)日：2024-10-08

申请号：US17040630

申请日：2019-03-25

Applicant: SYSTEM CERAMICS S.P.A.

Inventor： Franco Stefani ,  Franco Gozzi ,  Ivan Ghirelli

IPC: B28B13/02 ,  B28B3/02 ,  B28B17/00

CPC classification number: B28B13/022 ,  B28B3/02 ,  B28B17/00

Abstract: A pressing method for pressing ceramic slabs, comprising the following steps: spreading a layer (1) of granular or powdered material onto a pressing plane (2), wherein the layer (1) comprises at least a first zone (11), with a prefixed area and border, made of a granular or powdered primary material, and at least a second zone (12), with a prefixed area and border, made of a granular or powdered secondary material different from the primary material; pressing the layer (1) using a press (P); separating at least a main portion (10) of the first zone (11) from the second zone (12).