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Patents

Nonwoven Thermal Bonding Pattern with Low Fuzz:

U.S. Patent No. 10,667,963

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By: Karen McIntyre

Editor, Nonwovens Industry

Olaf Erik Alexander Isele, West Chester, OH; Donald Raymond Kearney, Springdale, OH; and Nicole Anja Reichardt, Sulzbach, Germany.
Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 11/21/16
Issued: 6/2/20

A nonwoven extending in a machine direction and a perpendicular cross-machine direction, the nonwoven comprising fibers bonded by thermal bonds, wherein the thermal bonds comprise: larger elliptical shape bonds having an individual area of at least 1.5 mm2; and smaller elliptical shape bonds having an individual area in the range of 0.10 mm2 to 1.0 mm2; wherein at least some of the larger elliptical shape bonds and the smaller elliptical shape bonds are disposed in rows generally aligned with the cross-machine direction; wherein the rows have a pitch angle ranging from 0 to 10 degrees relative to the cross-machine direction; wherein the smaller elliptical shape bonds are disposed between the rows of larger elliptical shape bonds; and wherein the ratio of the number of smaller elliptical shape bonds to the number of larger elliptical shape bonds is at least 1.5.

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