Method of forming a decorative layer on a precast concrete board

Details Method of forming a decorative layer on a precast concrete board Method of forming a decorative layer on a precast concrete board

1975-01-08

1979-01-16

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

106 98, 106315, 264245, 264333, 264DIG57, B28B 116

Patent

active

041349563

ABSTRACT:
A decorative coating layer, unified with the succulent and fragile surface of a concrete board, is formed by a method comprising laminating an inorganic and hydraulic coating material on the surface of an unhardened concrete board placed in a mold, and immediately thereafter heat-curing the thus coated concrete board. According to this method, beautifully dressed precast concrete boards can be mass-produced by a shortened process with improved efficiency of operation.

REFERENCES:
patent: 2004465 (1935-06-01), Dietrichs
patent: 2058167 (1936-10-01), McQuade
patent: 2695850 (1954-11-01), Lorenz
patent: 3407086 (1968-10-01), Voisinet
Calcium Chloride & Portland Cement, Solvay Sales Corp., New York, N.Y., 1942, pp. 31-41.

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