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US 2025/0019978 A1Published application
Anti-slip, noise reducing pad directly applied and adhered to the back of flooring materials and method
AssigneeWellmade Floor Covering Int'l Inc.
InventorZhu Chen
Life of this patent
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Abstract
Flooring material has an anti-slip, noise reducing pad directly self-adhered to a bottom surface. The pad is formed by applying a foamable PVC material is directly on the bottom surface of the flooring and heating the PVC material to foam the PVC material. The PVC material may then be cooled to form the pad with a definite formed shape having a resilient outer surface layer and a spongy foamy inner structure.
Claims12
An apparatus for forming a flooring material, comprising:
- an oven including a heating device;
- an upper roll and a lower roll rotating in opposite directions to feed a substrate into the oven;
- a coating roller disposed at an inlet end of the oven, wherein an outer surface of the coating roller has a pattern of dotted through-holes;
- and
- a feed box filled with a PVC material connected to the coating roller to deposit the PVC material onto the substrate through the dotted through-holes, wherein the PCV material is foamed in the oven by the heating device.
2 more elements
Dependencies are inferred from the claim text.