Plastic and nonmetallic article shaping or treating: processes – Treatment of material by vibrating – jarring – or agitating... – By reciprocating or vibrating mold
Patent
1976-08-27
1978-01-24
Pavelko, Thomas P.
Plastic and nonmetallic article shaping or treating: processes
Treatment of material by vibrating, jarring, or agitating...
By reciprocating or vibrating mold
264174, 264176R, 52177, B28B 108, B28B 320
Patent
active
040704270
ABSTRACT:
A concrete plank and method for making it which duplicates the flexibility of a non-concrete plank of any given thickness which is used for an elevated playing court surface in which the concrete plank has a thickness which follows a given set of parameters. The concrete plank is reinforced with closely spaced layers of mesh.
REFERENCES:
patent: 1530630 (1925-03-01), Tucker
patent: 2252980 (1941-08-01), Rhett
patent: 3146508 (1964-09-01), Berliner
patent: 3429094 (1969-02-01), Romualdi
patent: 3510547 (1970-05-01), Eisler
Design and Control of Concrete Mixtures, 9th ed., Portland Cement Association, Wash. D.C., 1948, p. 44.
Bell Samuel M.
Romualdi James P.
Bell Samuel M.
Pavelko Thomas P.
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