MOLDING OF TILE HAVING STEPPED PATTERNS

MOLDING OF TILE HAVING STEPPED PATTERNS

PURPOSE:To provide a tile having a high qualitative accuracy and expressing a three-dimensional feeling by shading by providing stepped parts to the surface of the tile to provide shaded part while preventing the the time of demolding after compression molding. CONSTITUTION:In a method for molding s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NATSUME TOKUNORI, NAITO HIROAKI, SATOU TOMONOBU, FUKUZAWA TAKEO, MORITA TAKAO, NAKA SHUNJI
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
PRESSES
PRESSES IN GENERAL
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
TRANSPORTING
WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:PURPOSE:To provide a tile having a high qualitative accuracy and expressing a three-dimensional feeling by shading by providing stepped parts to the surface of the tile to provide shaded part while preventing the the time of demolding after compression molding. CONSTITUTION:In a method for molding stepped parts 1a, 1b on the surface of a tile by pressing the tile by two-step pressing using a dry press molding mechanism P1 so that a shrinkage factor becomes constant, liftable lower molds 5, 6 are raised at the same interval in connection with the rising of an upper mold 14 at the time of demolding after compression molding.