Stock material or miscellaneous articles – Sheet including cover or casing
Patent
1988-05-02
1989-02-07
Van Balen, William J.
Stock material or miscellaneous articles
Sheet including cover or casing
106 89, 106 97, 106 98, 106 99, 428 70, 428 74, 428283, 428703, C04B 702, B32B 1300, B32B 516
Patent
active
048031070
ABSTRACT:
A construction material light weight as compared to standard concrete yet having excellent thermal insulation qualities. The material when processed uses cement, pumice in small size particularized form and/or volcanic ash, scoria in particularized form, vermiculite in flaked particle form and water for the cement. While excellent product may be formed with these ingredients alone a more uniformly predicable product may be produced if, prior to mixing of all the ingredients, the vermiculite is mixed with kerosene on the ratio of approximately one cubic foot to one fourth cubic foot. The vermiculite is then mixed with the pumice to kerosene coat the pumice to block absorbtion of water from the water cement mixture by the pumice to thereby insure proper curing of the cement binder in the overall material mix. Fluffed mineral wool may be added to the mixture generally to the extent of some seven to eleven percent of the overall mix with as a preliminary step the fluffed stringy mineral wool being process mixed with the scoria with enough mixing time to wrap the mineral wool around the scoria such as to minimize water washing of the cement binder into cavities of the scoria. If the thermal "R" factor is the main consideration the mineral wool (fluffed) volumetric content may be increased to as much as fifty percent for a greater "R" factor.
REFERENCES:
patent: 2858227 (1958-10-01), Rodsky
patent: 3847633 (1974-11-01), Race
patent: 4504533 (1985-03-01), Altenhofer et al.
patent: 4544409 (1985-10-01), Daussan et al.
patent: 4572861 (1986-02-01), Garcia et al.
Kintzinger Warren H.
Van Balen William J.
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