Flexible base web for a construction covering, and a...

D - Textiles – Paper – 06 – N

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D06N 7/00 (2006.01) B32B 5/26 (2006.01) D04H 13/00 (2006.01) D06N 3/06 (2006.01)

Patent

CA 2033972

Flexible base web of a construction covering, such as floor or wall covering or a roofing comprises a main layer (1) extending over the greatest part of the thickness of the web. The main layer is constituted of a non-woven mineral fibre mat containing predominately discontinuous mineral fibres, such as rock wool or slag wool or glass wool fibres which are bonded to each other mechanically. A thin layer (2) containing thermally bondable fibres (1) is interposed between the main layer (1) and a coating layer (3) of polymeric synthetic material.

Une bande de base souple d'une couverture de construction, tel qu'un revêtement de sol ou mural, ou une toiture comprend une couche principale (1) s'étendant sur la plus grande partie de l'épaisseur de ladite bande. Ladite couche principale est constituée d'un tapis de fibres minérales non tissées, contenant essentiellement des fibres minérales discontinues, telles que des fibres de laine de roche ou de laine de laitier ou de laine de verre, lesquelles sont liées les unes aux autres mécaniquement. Une couche mince (2) contenant des fibres (1) pouvant être liées thermiquement est interposée entre ladite couche principale (1) et une couche de revêtement (3) en matière synthétique polymère.

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