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
Patent
1976-01-16
1977-07-19
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
264 42, 264337, 264338, 264DIG57, B28B 116
Patent
active
040368394
ABSTRACT:
Shaped articles such as tiles and panels are produced from aqueous slurries of hydraulic cement, with or without aggregate, to which "super" water reducers have been admixed, by casting in a synthetic polymer mold with glossy, water-repellent surface, to yield castings with highly reflective, glassy surfaces. Color pigments may be added to the formulation to yield castings with reflective, glossy colored surfaces.
REFERENCES:
patent: 1789197 (1931-01-01), Seailles
patent: 3527439 (1970-09-01), Lawmaster
patent: 3686133 (1972-08-01), Hattori
patent: 3795721 (1974-03-01), Gilbert
patent: 3995086 (1976-11-01), Plungian et al.
Cornwell Charles E.
Plunguian Mark
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