US 11,725,342 B2
Unitary deflection member for making fibrous structures having increased surface area and process for making same
John Allen Manifold, Sunman, IN (US); John Leslie Brent, Jr., Springboro, OH (US); and James Michael Singer, Liberty Township, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Jul. 20, 2022, as Appl. No. 17/868,826.
Application 17/868,826 is a continuation of application No. 17/125,237, filed on Dec. 17, 2020, granted, now 11,427,961.
Application 17/125,237 is a continuation of application No. 16/264,857, filed on Feb. 1, 2019, granted, now 10,900,170, issued on Jan. 26, 2021.
Application 16/264,857 is a continuation of application No. 15/947,899, filed on Apr. 9, 2018, granted, now 10,240,298, issued on Mar. 26, 2019.
Application 15/947,899 is a continuation of application No. 15/132,293, filed on Apr. 19, 2016, granted, now 9,976,261, issued on May 22, 2018.
Claims priority of provisional application 62/155,519, filed on May 1, 2015.
Prior Publication US 2022/0356645 A1, Nov. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. D21F 1/00 (2006.01); D21H 27/00 (2006.01); D21F 11/00 (2006.01); D21H 11/04 (2006.01)
CPC D21F 1/009 (2013.01) [D21F 11/006 (2013.01); D21H 11/04 (2013.01); D21H 27/002 (2013.01); D21H 27/004 (2013.01); D21H 27/005 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A unitary deflection member, the unitary deflection member comprising:
a fluid pervious reinforcing member;
a patterned framework comprising a plurality of regularly spaced protuberances extending from said reinforcing member, at least two of said protuberances being similar in size and shape; and
wherein said plurality of regularly spaced protuberances are linear segments having different cross-sectional areas along the z-direction.