Granted Patent
B2
US 12,359,376 · App. 17/936,535 · Granted Jul 15, 2025
Creped fibrous structures
Inventors:
Fei Wang (Mason, OH); Douglas Jay Barkey (Salem Township, OH); James Allen Cain (Albany, NY); Stephen John Delvecchio (Cincinnati, OH); Angela Marie Leimbach (Hamilton, OH); Kun Piao (Deerfield Township, OH); James Kenneth Comer (West Chester, OH); Ryan Dominic Maladen (Anderson Township, OH); Atiya Jordan-Brown (Lebanon, OH); David Warren Loebker (Cincinnati, OH)
Assignee:
The Procter & Gamble Company
D21H27/02D21F1/10D21F5/048D21F5/181D21F9/02D21F11/006D21H21/146D21H25/005D21H27/002D21H27/004D21H27/005D21H27/007D21H27/008D21H27/40B31F1/126B31F1/16D21F3/045D21F5/188D21G3/005D21H21/20
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Abstract
Creped fibrous structures having pillows and knuckles, wherein the creped fibrous structures may exhibit improved knuckle properties, such as Knuckle Roughness Ra, Knuckle Roughness Rq, and Knuckle Creping Frequency and methods for making same are provided, and/or may comprise elongate knuckles comprising discrete pillows and/or elongate pillows between first and second elongate knuckles.
Claims (17)
1. A creped fibrous structure, comprising:
an elongate knuckle comprising a perimeter;
a first pillow and a second pillow;
wherein the first and second pillows are discrete from each other;
wherein the first pillow exhibits a bulk building capability of greater than 16 cc/g; and
wherein the creped fibrous structure has a Knuckle Roughness Ra of less than 9.00 μm as measured according to the MikroCAD Test Method.
2. The fibrous structure according to claim 1 , wherein the first pillow exhibits a bulk building capability of greater than 17 cc/g.
3. The fibrous structure according to claim 1 , wherein the fibrous structure exhibits a wet caliper normalized for basis weight of greater than 0.65 mils/(lb./3000 ft 2 ) as measured according to the Caliper Test Method.
4. The fibrous structure according to claim 1 , wherein the fibrous structure is in roll form such that the roll of fibrous structure exhibits a Roll Compressibility of from about 0.5% to about 15% as measured according to the Roll Compressibility Test Method.
5. The fibrous structure according to claim 1 , wherein the fibrous structure is in roll form such that the roll of fibrous structure exhibits a Roll Firmness of from about 2.5 mm to about 15 mm as measured according to the Roll Firmness Test Method.
6. The fibrous structure according to claim 1 , wherein the fibrous structure is in roll form such that the roll of fibrous structure exhibits a Roll Compressibility of from about 0.5% to about 15% as measured according to the Roll Compressibility Test Method, a roll bulk of about 4 cm 3 /g to about 30 cm 3 /g, and a Roll Firmness of from about 2.5 mm to about 15 mm as measured according to the Roll Firmness Test Method.
7. The creped fibrous structure according to claim 1 , comprising a basis weight of from 50 g/m 2 (30.8 lbs/3000 ft 2 ) to 110 g/m 2 (67.7 lbs/3000 ft 2 ).
8. The creped fibrous structure according to claim 1 , comprising a Knuckle Creping Frequency of less than 5.5 #/mm as measured by the MikroCAD Test Method.
9. The fibrous structure according to claim 1 , wherein each of the first and second pillows are within the perimeter of the elongate knuckle.
10. The fibrous structure according to claim 1 , exhibiting a basis weight of from about 55 g/m 2 (33.8 lbs/3000 ft 2 ) to about 105 g/m 2 (64.6 lbs/3000 ft 2 ).
11. The fibrous structure according to claim 1 , exhibiting a basis weight of from about 60 g/m 2 (36.9 lbs/3000 ft 2 ) to about 100 g/m 2 (61.5 lbs/3000 ft 2 ).
12. The fibrous structure according to claim 1 , exhibiting a Knuckle Roughness Rq of less than 8.00 μm.
Continuity (5)
Provisional Application
62489007
· Apr 24, 2017
Provisional Application
62412455
· Oct 25, 2016
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