The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 2016
Filed:
Jun. 15, 2012
Pierre Graff, Wolfgantzen, FR;
Gérald Duhen, Andolsheim, FR;
Donald Barredo, Ingersheim, FR;
Pierre Probst, Ammerschwihr, FR;
Pascale Saas, Selestat, FR;
Pierre Graff, Wolfgantzen, FR;
Gérald Duhen, Andolsheim, FR;
Donald Barredo, Ingersheim, FR;
Pierre Probst, Ammerschwihr, FR;
Pascale Saas, Selestat, FR;
SCA TISSUE FRANCE, Saint-Ouen, FR;
Abstract
A roll of wiping paper is obtained by winding a sheet of multi-ply absorbent paper around a core. The sheet includes at least a first and a second ply of absorbent paper, each with a grammage of between 15 and 30 g/mand at least one of the plies incorporating a wet strength additive. The thickness of the sheet Ep being between 0.02 and 0.07 cm, the diameter of the core being less than 3.5 cm, the diameter of the roll being between 4.5 cm and 11 cm for a volume V of absorbent paper per unit length of the roll, and the absorbency A of the sheet in cmof water per gram of paper being greater than 6 cm/g. The ratio E=A/(Ep*V) of the roll is greater than or equal to 3.2.