D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 7/08 (2006.01) B32B 5/02 (2006.01) D04H 1/46 (2006.01) D04H 1/58 (2006.01) D04H 11/00 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2240604
A felt and a method for its production are described. The feature of this novel felt is a uniform paper supporting surface combined with good water storage and waterrelease properties. These qualities are effected by a bat consisting of one or more layers of fine fibres being needled on a base containing perforations and cavities and by reducing the free surfaces of the bat fibres needled into the cavities in a special production step following the needling operation.
Feutre de papeterie et méthode de production. Ce feutre innovateur se caractérise par sa surface uniforme de support du papier, à laquelle s'ajoute sa bonne capacité d'absorption et de rejet de l'eau. Ces qualités sont obtenues au moyen d'un mat constitué d'une ou plusieurs couches de fibres fines aiguilletées sur un support contenant des perforations et des cavités et en réduisant les surfaces libres des fibres de mat aiguilletées dans les cavités lors d'une étape de production spéciale faisant suite à l'opération d'aiguilletage.
Gowling Lafleur Henderson Llp
Schiel Christian
LandOfFree
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