Back to results
US 9,353,482 B2Granted
Water-degradable paper sheet, and tube for a paper roll consisting of such a sheet
AssigneeSca Tissue France
InventorsPierre Graff, Veronique Wiss, Remy Ruppel, Pierre Probst
Life of this patent
Estimating the term…
Abstract
A water degradable paper sheet has a basis weight of 80 to 400 g/m2 and is dry-formed from paper fibers bound together by a water-soluble binder including starch, the amount of binder in the sheet being 30 to 70%. Additionally, a tube is formed by a cylinder having a wall that includes at least one dry-formed paper sheet including paper fibers bound together by a water-soluble binder.
Claims10
A roll tube composed of a wound strip of sheet material, the roll tube comprising:
- a cylinder, a wall of the cylinder comprising at least one dry-route paper sheet comprising paper fibres bonded to one another by a water-soluble binder comprising starch, the amount of the binder in the sheet being between 30 and 70% by weight.
A roll formed by winding a strip of sheet material around a tube, the roll comprising:
- a cylinder, a wall of the cylinder comprising at least one dry-route paper sheet comprising paper fibres bonded to one another by a water-soluble binder comprising starch, the amount of the binder in the sheet being between 30 and 70% by weight.
Dependencies are inferred from the claim text.