Precut plate for obtaining a volume, in particular a...

B - Operations – Transporting – 32 – B

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B32B 3/30 (2006.01) B29C 53/06 (2006.01) B29C 59/00 (2006.01) B32B 21/10 (2006.01) B65D 6/18 (2006.01)

Patent

CA 2413415

The invention concerns a precut plate for defining an assembly of plate parts, said plate (1) being capable of taking at least first and second shapes, the first shape, said to be flat , wherein said plate as a whole in substantially in a plane and the second shape, said to be folded , obtained after folding about hinge means (30) parts of the plate (2, 3, 4) one relative to the others to define a hollow volume, for example all or part of a package for products. Said plate is characterised in that it consists of at least three layers (21, 22, 23) stacked on one another, respectively first, second and third layers, the second layer (22) located between the first (21) and the third (23) layer being a flexible material layer, at least the first of the two first and third layers being a relatively rigid layer. The invention also concerns the resulting volume or package, and the method for making said plate.

Plaque prédécoupée pour définir un ensemble de parties de plaque, ladite plaque (1) étant apte à prendre au moins deux première et seconde formes, la première forme dite "à plat" dans laquelle ladite plaque dans son ensemble se trouve sensiblement dans un plan et la seconde forme dite "pliée" obtenue après pliage autour de moyens de charnières (30) des parties de plaque (2, 3, 4) les unes par rapport aux autres pour définir un volume creux, par exemple tout ou partie d'un emballage de produits, caractérisée par le fait qu'elle est constituée par un empilage d'au moins trois couches (21, 22, 23) les unes sur les autres, respectivement première, deuxième et troisième couches, la deuxième couche (22) située entre la première (21) et la troisième (23) couche étant une couche de matériau souple, au moins la première des deux première et troisième couches étant une couche relativement rigide. Emballage ou volume ainsi obtenu, et procédé de fabrication de la plaque selon l'invention.

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