Structural member and articles made therewith and method

Details Structural member and articles made therewith and method Structural member and articles made therewith and method

B - Operations, Transporting

32

B

B32B 3/28 (2006.01) B31B 7/00 (2006.01) B31D 5/00 (2006.01) B31F 1/00 (2006.01) B31F 1/20 (2006.01) B32B 29/08 (2006.01) B65D 5/44 (2006.01) B65D 5/50 (2006.01) B65D 19/00 (2006.01) B65D 19/34 (2006.01) B65D 65/40 (2006.01) F02B 61/04 (2006.01)

Patent

CA 2163562

A structural member (10) formed from a billet, each member (10) comprising a plurality of corrugated paperboard sheets (12) bonded together with an adhesive (14) and disposed between a core fibre layer (16, 18), each core fibre layer (16, 18) comprising at least one ply of a fibreboard sheet (19), a pair of caps (20, 22) of a solid fibreboard sheet bonded to respective side faces of the paperboard sheet (12) and to the respective edges (23) of the core fibre layers (16, 18). A method of manufacture is disclosed in which the billet is built up of corrugated paperboard sheets (12). The billet is then ripped into planks for use as a plank, board, or cleat, particularly as components for corrugated paperboard containers. A pallet made of planks and a pallet made of planar sheets cut from the billet are disclosed.

Un élément de structure (10) est réalisé à partir d'une billette, chaque élément (10) comportant plusieurs feuilles (12) de carton ondulé solidarisées par adhésif (14) et mises en sandwich entre deux feuilles à base de fibres (16, 18). Ces feuilles comportent au moins une épaisseur de carton dur (19), deux protections (20, 22) constituées d'une feuille rigide de carton compact (12) solidarisée aux faces latérales respectives de la feuille de carton ondulé (12) et aux bords respectifs (23) des feuilles à base de fibres enrobées (16). Le brevet décrit la méthode de fabrication de la billette constituée de feuilles de carton ondulé (12). La billette est ensuite sciée en planches, en panneaux ou en tasseaux, pour constituer en particulier les éléments de boîtes en carton ondulé (12). Le brevet décrit également la confection d'une palette à partir de planches découpées dans la billette ainsi que la confection d'une palette à partir de feuilles découpées dans la billette.

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