Reinforced paper product and method for making same

B - Operations – Transporting – 32 – B

Patent

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B32B 3/10 (2006.01)

Patent

CA 2504122

A composite paper product has at least inner and outer layers of standard paper bonded to each other and a fiber strand network to form a reinforced paper product. The fiber strand network has a first set of strands extending in a first direction and a second set of strands overlapping the first set and extending in a second direction. In some embodiments the second set of fiber strands overlaps in opposite diagonal directions while overlaying a first set of generally transverse parallel fiber strands. A recyclable binding composition is used to glue the various fiber and paper layers together to yield a unitary sheet of reinforced composite paper.

L'invention concerne un papier composite comportant des couches interne et externe de papier standard liées l'une à l'autre, et un réseau de brins de fibre, afin de former un produit de papier renforcé. Le réseau de brins de fibre comporte un premier ensemble de brins orientés dans une première direction et un second ensemble de brins, recouvrant le premier ensemble, orientés dans une seconde direction. Dans certains modes de réalisation, le second ensemble de brins de fibre comporte des brins orientés dans des directions diagonales opposées, et recouvre un premier ensemble de brins de fibre parallèles généralement de façon transversale. On utilise une composition liante recyclable afin de coller ensemble les fibres variées et les couches de papier afin d'obtenir une feuille unitaire de papier composite renforcé.

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