US 11,834,787 B2
Process for producing strong and soft tissue and towel products
Osman Polat, Montgomery, OH (US); and Dale Gary Kavalew, Evendale, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on May 20, 2021, as Appl. No. 17/325,611.
Application 17/325,611 is a continuation of application No. 16/502,057, filed on Jul. 3, 2019, granted, now 11,047,090.
Application 16/502,057 is a continuation of application No. 15/447,843, filed on Mar. 2, 2017, granted, now 10,385,508, issued on Aug. 20, 2019.
Claims priority of provisional application 62/312,487, filed on Mar. 24, 2016.
Prior Publication US 2021/0269974 A1, Sep. 2, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. D21D 5/24 (2006.01); D21D 99/00 (2006.01); D21F 11/14 (2006.01); D21B 1/02 (2006.01)
CPC D21D 5/24 (2013.01) [D21B 1/026 (2013.01); D21D 99/00 (2013.01); D21F 11/14 (2013.01)] 24 Claims
 
1. A process for manufacturing a multi-ply web material comprising the steps of:
a) providing a pulp material comprising fibers and vessels;
b) separating the vessels from the fibers in the pulp material to form an accepts stream having at least 7 percent less vessels per meter than the pulp material, and a rejects stream having 15% more vessels per meter than the pulp material;
c) using the accepts stream to form a first ply of the multi-ply web material;
d) using the rejects stream to form a second ply of the multi-ply web material; and
e) joining the first ply and the second ply.