Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1984-03-12
1986-01-28
Lusignan, Michael R.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
5230917, 52537, 52795, 1062866, 1062871, 4273977, 428182, 428268, 428428, 428443, D06N 704, B32B 328, B32B 330, B05D 302
Patent
active
045670846
ABSTRACT:
A multilayered corrugated roofing which comprises a corrugated heat proof substrate and an overlaying layer formed of a coherent substance constituted of dolomite, magnesite, white cement and water. Serpentine or calcite may also be incorporated with the above constituents. Either roasted or unroasted dolomite or magnesite can be used.
REFERENCES:
patent: 4287241 (1981-09-01), Kaufmann
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