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US 2024/0116282 A1Published application
Multilayer product of paper-like material, in particular of canneté or corrugated cardboard type
AssigneeGrifal S.P.A.
InventorFabio Angelo GRITTI
Life of this patent
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Abstract
A multilayer product made of paper-like material, includes at least one corrugated layer bonded to a first flat layer of canneté. A least one corrugated layer is constituted by a sheet of canneté which is shaped so as to form a wave. A method is also related for providing a multilayer product made of the paper-like material.
Claims12
1-11. (canceled)
A multilayer product made of paper material, comprising at least one corrugated layer bonded to a first flat layer of canneté,
- wherein said at least one corrugated layer is constituted by a sheet of canneté which is shaped so as to form a wave.
A method for providing a multilayer product made of paper material, the method including the following steps:
- a) supplying one or more flat sheets of canneté,
- b) undulating at least one of said flat sheets of canneté so as to obtain a sheet of canneté shaped so as to form a wave, and
- c) fixing said sheet of canneté shaped so as to form a wave to a first flat sheet of canneté,
- so as to obtain a corrugated layer constituted by said sheet of canneté shaped so as to form a wave bonded to a first flat layer of canneté constituted by said first flat sheet of canneté.
1 more element
Dependencies are inferred from the claim text.