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US 6,187,244 B1Granted
Method of making an embossed, waterproof shower pan liner
AssigneeOmnova Services Inc.
InventorsDavid L. Fishel, Peter F. Payne
Life of this patent
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Abstract
A method for making a flexible, waterproof shower pan liner comprised of a water-insoluble thermoplastic sheet. The shower pan liner includes on at least one surface selected indicia such as product information or plumbing codes at regular intervals. The indicia are embossed into the shower pan liner thereby eliminating the need for a protective top coat. In the process for making the invention, the thermoplastic is heated, calendered, and thereafter embossed with the selected indicia while in a heated condition.
Claims5
A process for forming a water-proof shower pan liner, comprising;
- forming a flexible water-proof thermoplastic polymer liner for a shower pan having a top surface and bottom surface;
- and
- embossing said thermoplastic polymer liner on only one of said surfaces with embossed construction industry information indicia and substantially spaced embossed lines perpendicular to the liner edge.
Dependencies are inferred from the claim text.