Ground impregnating process

Details Ground impregnating process Ground impregnating process

1987-06-19

1989-07-25

Childs, Sadie

Coating processes

Coating pavement or the earth

4273978, 427426, B05C 116, B05D 302

Patent

active

048512591

ABSTRACT:
A ground impregnation process which is disclosed herein comprises injecting an alkaline ground impregnating material, with carbon dioxide gas passed through blowing nozzles joining said impregnating material, into a ground. In this process, the pressure of carbon dioxide and the opening size of the blowing nozzle are determined to provide a constant amount of carbon dioxide gas blown, irrespective of a variation in ground pressure. In this manner, the carbon dioxide gas joins the alkaline ground impregnating material at a given ratio.

REFERENCES:
patent: 996513 (1911-06-01), Paterson
patent: 1067426 (1913-07-01), Hemingway
patent: 2462763 (1949-02-01), Nightingall et al.
patent: 4477490 (1984-10-01), Weisberg
patent: 4536417 (1985-08-01), Shimizu
patent: 4676998 (1987-06-01), Nolte et al.

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