Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent
1991-07-26
1993-03-16
Dixon, Jr., William R.
Hydraulic and earth engineering
Earth treatment or control
Chemical
405263, 405267, 106641, 106814, E02D 312, C04B 2204
Patent
active
051939410
ABSTRACT:
Aluminum leafing flakes for expanding grout are adhered to microparticles to distribute the flakes in dry and wet grouts. The flakes have a protective coating sensitive to the alkalinity of dry and wet grouts alkaline. The coated flake carrying microparticles may be blended and stored with dry grouts or used directly with wet grouts as part of a fluidifier for the grout.
REFERENCES:
patent: 3649317 (1972-03-01), Houseknecht
patent: 4621024 (1986-11-01), Wright
Dixon Jr. William R.
Green Anthony J.
Specrete-IP Incorporated
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