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US 4,420,525 AGranted
Thin decorative cementitious veneers and a method for making same
OwnerDavid M. Parksinventor
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OwnerDavid M. Parksinventor
Estimating the term…
Novel thin flexible decorative colored cementitious veneers of about 5 to 60 mils in thickness, useful in wall coverings, floor coverings and on ceilings; and methods of producing said thin decorative cementitious veneers wherein printing, embossing and casting are performed simultaneously. The basic method comprises the steps of placing a wet cloth on a mold engraved with a design followed by placing a plastic cement mix on said wet cloth to simultaneously form a casting and a temporary cloth mold which is the exact copy of the original mold, immediately removing the plastic cement casting together with the temporary cloth mold from the original engraved mold before it sets, thereby making the original mold immediately available for the next casting, removing the temporary cloth mold from said plastic cement casting before it sets, and air curing said casting while being stored.
A method of making a thin decorative cementitious veneer of about 5 of 60 mils thick which comprises the steps of:
The method according to claim 5, including the step of applying a thin flat plastic sheet to the uncovered surface of the plastic cement casting after removal of the temporary cloth mold, so that said plastic casting is sandwiched between two plastic sheets, and allowed to set by air curing.
A method of making a thin decorative cementitious veneer of about 5 to 60 mils thick which comprises the steps of:
A method of making a thin decorative cementitious veneer of about 5 to 60 mils thick which comprises the steps of:
Dependencies are inferred from the claim text.