Lubricating suspension for pumping concrete

Details Lubricating suspension for pumping concrete Lubricating suspension for pumping concrete

1992-11-25

1994-06-07

Bertsch, Richard A.

Pumps

Processes

417572, 417900, 406 47, B65G 5332

Patent

active

053184084

ABSTRACT:
A method for the start up of a concrete pump using a small amount of an aqueous suspension of polymers, amorphous silicone dioxide and water-reducer rather than a conventional cement slurry.

REFERENCES:
patent: 2046434 (1935-07-01), Touhey
patent: 2920923 (1960-01-01), Wasp et al.
patent: 3012826 (1960-04-01), Puff et al.
patent: 5193942 (1993-03-01), Berry et al.

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