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US 6,440,543 B1Granted
Flexible flooring tile
AssigneeDLW Aktiengesellschaft
InventorHans-Dieter Vieluf
Life of this patent
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Abstract
A floorcovering tile is provided which has an upper and a lower layer and a carrier arranged between these, where at least one of the two layers is a service layer. The floorcovering tile retains its flatness even when temperature and/or humidity varies. A process for producing the floorcovering tile is also described.
Claims6
A flexible floor tile comprising:
- at least one upper linoleum wear layer;
- at least one lower linoleum wear layer;
- a backing bonded between said at least one upper linoleum wear layer and said at least one lower linoleum wear layer;
- and
- at least one further layer between said backing and at least one of said wear layers.
2 more elements
A method for the manufacture of a flexible floor tile having at least one upper and at least one lower linoleum wear layer and a backing arranged between the wear layers, said method comprising the steps of:
- preparing an uncoated or coated backing web;
- applying at least one further layer to at least one side of said backing web;
- coating one side of said backing web with at least one upper wear layer formed from a linoleum mixture mass;
- subsequently coating the other side of said backing web with at least one lower wear layer formed from a linoleum mixture mass to produce a floor covering web;
- conveying said floor covering web into a curing chamber for curing of said floor covering web;
- curing said floor covering web;
- cooling said floor covering web;
- conditioning said floor covering web to set the moisture content thereof;
- and
- stamping said flexible floor tile from said floor covering web.
7 more elements
Dependencies are inferred from the claim text.