US 12,304,773 B2
Durable transfer roll core and method of making and using the same
Eric James Watkins, Lawrenceburg, IN (US); Gustav André Mellin, Amberley Village, OH (US); Brad Scott Lockhart, Cincinnati, OH (US); and Farid A. Khan, Cincinnati, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on May 14, 2021, as Appl. No. 17/320,581.
Claims priority of provisional application 63/025,455, filed on May 15, 2020.
Prior Publication US 2021/0354950 A1, Nov. 18, 2021
Int. Cl. B65H 75/50 (2006.01); B65H 75/10 (2006.01); B65H 75/26 (2006.01); D21H 27/00 (2006.01)
CPC B65H 75/50 (2013.01) [B65H 75/10 (2013.01); B65H 75/265 (2013.01); D21H 27/002 (2013.01); B65H 2511/11 (2013.01); B65H 2511/12 (2013.01); B65H 2511/14 (2013.01); B65H 2511/15 (2013.01); B65H 2511/21 (2013.01); B65H 2701/51 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A durable transfer roll core, comprising:
an elongate body having a main surface comprising a groove, the elongate body having a longitudinal axis;
wherein the groove comprises a Groove Angle from about 0 to about 85 degrees, relative to the longitudinal axis;
wherein the groove comprises a Groove Depth greater than about 0.003 inches;
wherein a first ridge runs along a first side of the groove;
wherein a second ridge runs along a second side of the groove, wherein the second side is opposite the first side of the groove; and
wherein the first ridge has a ridge height greater than the second ridge.