Method and apparatus for the manufacture of concrete and like pr

Details Method and apparatus for the manufacture of concrete and like pr Method and apparatus for the manufacture of concrete and like pr

1976-05-20

1978-09-26

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

264335, 264338, 264DIG43, 264DIG78, C04B 1514

Patent

active

041170601

ABSTRACT:
A method and apparatus is provided for the manufacture of products of concrete or like construction, in which a mixture of calcareous cementitious binder substance, such as cement, an aggregate, a vinyl acetate-dibutyl maleate copolymer, and an amount of water sufficient to make a relatively dry mix is compressed into the desired configuration in a mold, and with the mixture being exposed to carbon dioxide gas in the mold, prior to the compression taking place, such that the carbon dioxide gas reacts with the ingredients to provide a hardened product in an accelerated state of cure having excellent physical properties.

REFERENCES:
patent: 1599413 (1926-09-01), Harrison
patent: 3305506 (1967-02-01), Murray
patent: 3358342 (1967-12-01), Spence
patent: 3393261 (1968-07-01), Herzig
patent: 3490577 (1970-01-01), Grikscheit
patent: 3594462 (1971-07-01), Vrijma

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