Casting mould, method and plant for manufacturing ceramic sanitary ware

The described method and plant integrate decorative patterns into ceramic sanitary ware during the casting process, addressing inefficiencies in existing methods by automating decoration and ensuring precise, cost-effective integration of designs into the final product.

WO2026028142A1 Publication Date: 2026-02-05SACMI COOPERATIVA MECCANICI IMOLA SOC COOP ARL
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Patent Information

Application Number
PCT/IB2025/057783
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-08-01
Filing Date
2025-07-31
Publication Date
2026-02-05

AI Technical Summary

Technical Problem

Existing methods for manufacturing ceramic sanitary ware with decorative elements are costly, time-consuming, and lack precision due to manual or post-casting decoration processes, which are inefficient for producing items with high aesthetic value.

Method used

A method and plant for manufacturing ceramic sanitary ware using a pressure casting process with porous moulds and an application device to apply a ceramic suspension directly on the mould parts, forming decorative patterns that integrate into the final product during casting, eliminating the need for subsequent decoration steps.

Benefits of technology

Enables the production of ceramic sanitary ware with integrated decorative elements in a cost-effective and efficient manner, ensuring precise and stable integration of designs without additional post-casting processes.

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Abstract

A method for manufacturing ceramic sanitary ware (2) by means of pressure casting in a mould (4) comprising at least two mould parts (5A, 5B), the method comprising the following steps: - a mould treatment step, during which an application device (7) applies a first ceramic body comprising a ceramic suspension with a viscosity of 3,000-30,000 cPs on a surface of at least one of the mould parts (5A, 5B) to form a defined decoration (D) thereon; - a step of closing the mould (4), whereby a casting cavity (6) is formed; - a casting step during which a feeding system feeds a second ceramic body under pressure into the casting cavity (6); - a forming step, during which the liquid component of the second ceramic body flows through the walls of the mould parts (5A, 5B) and out of the casting cavity (6), while the solid component is deposited on said walls; and - a demoulding step, during which the finished ceramic sanitary ware (2), with the defined decoration (D) incorporated therein, is extracted from the mould (4).
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