US 12,075,818 B2
Banded cigarette wrapper with opened-area bands
Timothy S. Sherwood, Midlothian, VA (US); Robert Kikkert, Charles City, VA (US); Robert Smith, Glen Allen, VA (US); Ali A. Rostami, Glen Allen, VA (US); and Georgios Karles, Richmond, VA (US)
Assigned to Altria Client Services LLC, Richmond, VA (US)
Filed by Altria Client Services LLC, Richmond, VA (US)
Filed on May 6, 2020, as Appl. No. 16/867,840.
Application 15/583,163 is a division of application No. 13/896,087, filed on May 16, 2013, granted, now 9,668,516.
Application 16/867,840 is a continuation of application No. 15/583,163, filed on May 1, 2017, granted, now 10,681,935.
Claims priority of provisional application 61/647,906, filed on May 16, 2012.
Prior Publication US 2020/0260776 A1, Aug. 20, 2020
Int. Cl. A24D 1/02 (2006.01)
CPC A24D 1/025 (2013.01) 15 Claims
OG exemplary drawing
 
1. A method of manufacturing wrapper material suitable for forming wrappers of smoking articles, the method comprising
maintaining an aqueous starch solution at a temperature sufficient to provide the aqueous starch solution with a viscosity of less than about 200 cP;
feeding a base web along a feed path; and
printing the aqueous starch solution onto the base web to form a plurality of banded regions including the aqueous starch solution, each of the banded regions including
a leading edge,
a trailing edge, and
openings between the leading edge and the trailing edge free of the aqueous starch solution, the openings establishing a desired, nominal area free of the aqueous starch solution within each banded region of the plurality of banded regions in the range of about 4% to about 9% of a total nominal area of an respective banded region of the plurality of banded regions, and the openings having a pattern that includes linear rows, the openings defining one or more square shaped pillars, one or more triangular shaped pillars, one or more rectangular shaped pillars, or any combination thereof in the linear rows.