Method of making a product
AssigneeDigive Limited of York House
InventorJohn Dutton
Life of this patent
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Abstract
A method of making a product which is generally impervious to water including the steps of making a generally homogenous mixture of slate particles and clay, setting the mixture as necessary to produce a formable composition, forming the wet mixture to a desired configuration, at least partially drying the formed mixture and subjecting the dried formed mixture to a temperature of at least 1145° C. for a time sufficient for at least some of the clay to convert into a binder to bind together the slate particles.
Claims32
A method of making a product which is generally impervious to water comprising the steps of making a generally homogenous mixture of slate particles and clay, wetting the mixture as necessary to produce a formable composition, forming the wet mixture to a desired configuration, at least partially drying the formed mixture and subjecting the dried formed mixture to a temperature of at least 1145° C. for a time sufficient for at least some of the clay and slate particles to convert into a binder to bind together the slate particles.
A method according to claim 23 wherein the product is a building element.
Dependencies are inferred from the claim text.