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US 2014/0287196 A1Published application
Method of forming single face corrugated board
AssigneeCorcel IP Limited
InventorPatrick Petrus Antonius Maria VAN BERLO
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Abstract
A method of bonding a substantially planar sheet material to a corrugated sheet material using an automated process the method characterised by the steps of a) applying adhesive in discrete amounts to the contact points of the corrugated sheet material, and b) holding the sheet materials together until a bond is formed between them.
Claims2
A corrugated sheet product comprising:
- at least one planar sheet;
- a corrugated sheet;
- wherein the planar sheet is bonded to the corrugated sheet via a water based vinyl acetate copolymer dispersion adhesive which is applied to the crests of the corrugated sheet in discrete droplets having dimensions of 0.5 mm3.
Dependencies are inferred from the claim text.