Method for conveyance of cement under water to form concrete

Details Method for conveyance of cement under water to form concrete Method for conveyance of cement under water to form concrete

1991-12-19

1993-04-27

Coe, Philip R.

Agitating

Mortar mixer type

Methods

366 51, 405222, 405266, 106639, 106724, 106802, B28C 506

Patent

active

052056465

ABSTRACT:
This invention relates to the conveyance of cement under water to form concrete. The method claimed utilizes, inter alia, a positive displacement pump and feed pipe to convey unreacted cement, suspended in an environmentally safe and non-reactive liquid vehicle or carrier (polyethyleneglycol, for example), to an underwater site comprised of a hydrated aggregate mass (usually sand), permitting said carrier to diffuse from said suspension into surrounding water and further permitting said cement to react with water in the aggregate thereby causing the cement, water and aggregate mixture to form concrete.

REFERENCES:
patent: 2307741 (1943-01-01), Goldstein
patent: 3800544 (1974-04-01), Nakanishi
patent: 4072017 (1978-02-01), Shiraki
patent: 4126470 (1978-11-01), Braun
patent: 4455170 (1984-06-01), LeGrand
patent: 4618376 (1986-10-01), Saternus
patent: 4759632 (1988-07-01), Horiuchi
patent: 4892410 (1990-01-01), Snow
patent: 5020598 (1991-06-01), Cowan

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