Patent ID: 9611659
Date: 2017-04-04
CPC Classifications: B32B,E04F

Claim:
1. A panel suitable for assembling a waterproof floor or wall covering by interconnecting a plurality of said panels with each other, wherein the panel has a substantially planar top surface, and a substantially planar bottom surface, at least four substantially linear side edges comprising at least one pair of opposite side edges which are provided with interconnecting coupling means for interconnecting one panel within another, comprising two pairs of opposite side edges which are provided with interconnecting coupling means the panel having a sandwich structure which comprises a flexible central layer basically composed of a thermoplastic material, a rigid top layer and a rigid bottom layer, wherein the panel is rigid and has a thickness of 8 mm or smaller, and wherein the rigid top layer comprises two plies of cellulose-based layer and a cured resin, wherein the cellulose-based layer of both plies each contain fibers oriented in a main direction, wherein the main direction of the cellulose-based layer of one ply differs from the main direction of the cellulose-based layer of the other ply.