Method for manufacturing dimensionally-stable shaped articles
AssigneeIntalite International N.V.
InventorGeorge D. Mosky
Life of this patent
Estimating the term…
Abstract
A method for making a dimensionally-stable shaped article (comprising at least one one layer of asbestos paper treated with a mineral acid selected from sulfuric acid, hydrochloric acid and phosphoric acid), including placing the treated asbestos paper sheet on a mould in a substantially pressureless manner and then allowing it to dry at normal room temperature.
Claims5
A method for the manufacture of a dimensionally-stable shaped article for use as a ceiling coffer, comprising the steps of soaking asbestos paper sheets in a bath containing a mineral acid selected from the group consisting of sulfuric acid, hydrochloric acid and phosphoric acid, applying in a substantially pressureless manner at least one sheet of the soaked asbestos paper sheet as a layer to a mold and drying at normal room temperature, whereby to form a shrink-proof article without application of heat.
Dependencies are inferred from the claim text.