Method of making a soil composition comprised of clay-coated san

Details Method of making a soil composition comprised of clay-coated san Method of making a soil composition comprised of clay-coated san

1992-03-23

1993-10-19

Owens, Terry J.

Coating processes

Particles, flakes, or granules coated or encapsulated

Applying superposed diverse coatings or coating a coated base

427219, 427220, 427221, 428404, 428407, B05D 724

Patent

active

052543641

ABSTRACT:
A method of making a soil composition involves continuously mixing sand and plasticizer in an agitation mixer. The sand becomes coated with the plasticizer, whereupon a quantity of clay is then added, followed by an additional portion of the plasticizer. The sand particles coated with the plasticizer become coated with the clay. Coloring pigments are added and mixed thereafter. As soon as complete mixing takes place, the coated sand particles can be immediately transferred from the mixer to suitable packaging. The ingredients are added in the following proportions by weight: sand 50-70%; clay 10-40%; plasticizer 0.5-5.0%; water 5-20%; and coloring pigment 1-5%.

REFERENCES:
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patent: 3887506 (1975-06-01), Hewitt
patent: 4792133 (1988-12-01), Hawkins et al.
patent: 4819933 (1989-04-01), Armond
patent: 4852870 (1989-08-01), Hawkins et al.
patent: 4968024 (1990-11-01), Hawkins

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