IP Library Granted Patent US 11,732,420
Granted Patent B2
US 11,732,420 · App. 17/853,980 · Granted Aug 22, 2023

Fibrous structures

Inventors: Osman Polat (Montgomery, OH); Charles Allen Redd (Harrison, OH); Kathryn Christian Kien (Cincinnati, OH); Anthony Paul Bankemper (Green Township, OH)
Assignee: The Procter & Gamble Company
D21H27/02B31F1/07D10B2401/00D21F11/006D21H27/002
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Quick Facts
Patent No.
US 11,732,420
App. No.
17/853,980
Granted
Aug 22, 2023
Kind
B2
Abstract

A fibrous structure may include a plurality of wetformed knuckles or pillows, where the plurality of wet-formed knuckles or pillows may be arranged in a pattern organized in an X-Y coordinate plane, where the wet-formed knuckles or pillows of the pattern may form a plurality of rows oriented in an X-direction and a plurality of rows oriented in a Y-direction, and the plurality of rows in the X-direction may be curved in a repeating wave pattern, where the repeating wave pattern may have an amplitude and a wavelength, and wherein the amplitude may be between about 0.75 mm and about 3.0 mm, and the wavelength may be between about 25.0 mm and about 125.0 mm.

Claims (26)

1. A fibrous structure comprising a plurality of wet-formed knuckles, wherein the plurality of wet-formed knuckles are arranged in a pattern organized in an X-Y coordinate plane, wherein the wet-formed knuckles of the pattern form a plurality of rows oriented in an X-direction and a plurality of rows oriented in a Y-direction, and wherein the plurality of rows oriented in the X-direction is curved in a repeating wave pattern, wherein the repeating wave pattern has an amplitude and a wavelength, and wherein the amplitude is between about 0.75 mm and about 3.0 mm, and the wavelength is between about 25.0 mm and about 125.0 mm.

2. The fibrous structure of claim 1 , wherein the wave pattern is a sinusoidal wave pattern.

3. The fibrous structure of claim 1 , wherein the amplitude is between about 1.0 mm and about 2.5 mm.

4. The fibrous structure of claim 1 , wherein the wavelength is between about 25.0 mm and about 75.0 mm.

5. The fibrous structure of claim 1 , wherein an amplitude to wavelength ratio is between about 0.025 to about 0.05.

6. The fibrous structure of claim 1 , wherein the plurality of wet-formed knuckles are characterized by:

1) the plurality of wet-formed knuckles within the pattern have substantially the same shape, and

2) at least two of the plurality of wet-formed knuckles within the pattern have varying size.

7. The fibrous structure of claim 1 , wherein the fibrous structure has a TS7 (which correlates with real material softness) of between about 0.01 dB V 2 rms and about 20.00 dB V 2 rms, and an SST (Slope of the Square Root of Time) rate of between about 1.60 g/sec 0.5 and about 2.50 g/sec 0.5 .

8. The fibrous structure of claim 1 , wherein the fibrous structure has a TS7 of between about 0.01 dB V 2 rms and about 20.00 dB V 2 rms, and a Plate Stiffness of between about 12 N*mm and about 20 N*mm.

9. The fibrous structure of claim 1 , wherein the fibrous structure has a TS7 of between about 0.01 dB V 2 rms and about 20.00 dB V 2 rms, and a Resilient Bulk of between about 85.0 cm 3 /g and about 110.0 cm 3 /g.

10. The fibrous structure of claim 1 , wherein the fibrous structure has a TS7 of between about 0.01 dB V 2 rms and about 20.00 dB V 2 rms, and a Total Wet Tensile of between about 400 g/in and about 900 g/in.

11. A fibrous structure comprising a plurality of wet-formed knuckles, wherein the plurality of wet-formed knuckles are arranged in a pattern organized in an X-Y coordinate plane, wherein the wet-formed knuckles of the pattern forms a plurality of rows oriented in an X-direction and a plurality of rows oriented in a Y-direction, and wherein the plurality of rows oriented in both the X-direction and the Y-direction is curved in a repeating wave pattern, wherein the repeating wave pattern has an amplitude and a wavelength, and wherein the amplitude is between about 0.75 mm and about 3.0 mm, and the wavelength is between about 25.0 mm and about 125.0 mm.

12. The fibrous structure of claim 11 , wherein the wave pattern is a sinusoidal wave pattern.

13. The fibrous structure of claim 11 , wherein the amplitude is between about 1.0 mm and about 2.5 mm.

14. The fibrous structure of claim 11 , wherein the wavelength is between about 25.0 mm and about 75.0 mm.

15. The fibrous structure of claim 11 , wherein an amplitude to wavelength ratio is between about 0.025 to about 0.05.

16. The fibrous structure of claim 11 , wherein the fibrous structure has a TS7 of between about 0.01 dB V 2 rms and about 20.00 dB V 2 rms, and an SST rate of between about 1.60 g/sec 0.5 and about 2.50 g/sec 0.5 .

17. The fibrous structure of claim 11 , wherein the fibrous structure has a TS7 of between about 0.01 dB V 2 rms and about 20.00 dB V 2 rms, and a Plate Stiffness of between about 12 N*mm and about 20 N*mm.

18. The fibrous structure of claim 11 , wherein the fibrous structure has a TS7 of between about 0.01 dB V 2 rms and about 20.00 dB V 2 rms, and a Resilient Bulk of between about 85.0 cm 3 /g and about 110.0 cm 3 /g.

19. The fibrous structure of claim 11 , wherein the fibrous structure has a TS7 of between about 0.01 dB V 2 rms and about 20.00 dB V 2 rms, and a Total Wet Tensile of between about 400 g/in and about 900 g/in.

20. A fibrous structure comprising a plurality of wet-formed pillows, wherein the plurality of wet-formed pillows are arranged in a pattern organized in an X-Y coordinate plane, wherein the wet-formed pillows of the pattern form a plurality of rows oriented in an X-direction and a plurality of rows oriented in a Y-direction, and wherein the plurality of rows oriented in the X-direction is curved in a repeating wave pattern, wherein the repeating wave pattern has an amplitude and a wavelength, and wherein the amplitude is between about 0.75 mm and about 3.0 mm, and the wavelength is between about 25.0 mm and about 125.0 mm.

21. The fibrous structure of claim 20 , wherein the wave pattern is a sinusoidal wave pattern.

22. The fibrous structure of claim 20 , wherein the amplitude is between about 1.0 mm and about 2.5 mm.

23. The fibrous structure of claim 20 , wherein the wavelength is between about 25.0 mm and about 75.0 mm.

24. The fibrous structure of claim 20 , wherein an amplitude to wavelength ratio is between about 0.025 to about 0.05.

Continuity (3)
Continuation 16708571 · Dec 10, 2019
Provisional Application 62777286 · Dec 10, 2018
Related Publication 20220341097A1 · Oct 27, 2022
Cited By (2)
US 12,203,221 US 12,723,353