Stock material or miscellaneous articles – Composite – Of asbestos
Patent
1976-09-07
1978-09-26
Smith, Ronald H.
Stock material or miscellaneous articles
Composite
Of asbestos
52517, 427299, 427369, 427370, 427379, 427380, 427403, 427419R, 428446, 428539, B32B 1904
Patent
active
041171977
ABSTRACT:
In the production of a coated building component comprising the steps of mixing an inorganic binder, water and aggregate to produce a workable mass, molding said mass into a preformed component, applying to the preformed component an aqueous paste containing a metal oxide and at least one of waterglass and a phosphate to form a coating and allowing the coating to harden, the improvement which comprises applying about 190 to 400 g of the paste per square meter of surface to be coated, the application being effected in the presence of at least about 0.5% by weight of the inorganic binder or, in the case of lime-sand bricks, by weight of the binder plus aggregate, of a water soluble inorganic salt which converts the aqueous paste into a gel-like non-flowing form. The inorganic salt can be included in the workable mass from which the preformed component is molded or it may be present in a preliminary layer, along with inorganic binder, which is applied to the preformed component in a thickness of about 1 to 50 mm prior to application of the aqueous paste.
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Krejci Milan
Kresse Peter
Bayer Aktiengesellschaft
Childs Sadie L.
Smith Ronald H.
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