Compositions – Exfoliated or intumesced
Patent
1980-03-05
1983-06-21
Camby, John J.
Compositions
Exfoliated or intumesced
432 13, 432 31, C04B 3122, C04B 3126, F27B 1400
Patent
active
043893325
ABSTRACT:
This invention is directed to a method and an apparatus to heat certain particles. These certain particles are heated to make them more desirable. In the heating of these particles, it is often desirable to expand the particles to make a light-weight aggregate. The light-weight aggregate may be used in making a building material or the like. In carrying out the process of heating these particles, there is used air for combustion of the combustible fuel and only a minimum of air for carrying of the particles or expansion of the particles.
REFERENCES:
patent: 2462255 (1949-02-01), Charman et al.
patent: 2531975 (1950-11-01), Essex et al.
patent: 3528648 (1970-09-01), Strand
Camby John J.
Secrest Thomas W.
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