US 11,814,226 B2
Resealable film
Scott William Huffer, Hartsville, SC (US); and Rod Pettis, Elgin, SC (US)
Assigned to SONOCO DEVELOPMENT, INC., Hartsville, SC (US)
Filed by SONOCO DEVELOPMENT, INC., Hartsville, SC (US)
Filed on Feb. 23, 2022, as Appl. No. 17/678,624.
Application 17/678,624 is a continuation of application No. 16/568,491, filed on Sep. 12, 2019, granted, now 11,292,648.
Prior Publication US 2022/0177209 A1, Jun. 9, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B65D 65/40 (2006.01); B32B 7/06 (2019.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B65D 77/20 (2006.01)
CPC B65D 65/40 (2013.01) [B32B 7/06 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B65D 77/2096 (2013.01); B32B 2435/02 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A flexible film comprising:
a polyethylene-based first film layer;
a pressure sensitive adhesive layer adjacent a lower surface of the first film layer;
a polyolefin plastomer skin layer adjacent a lower surface of the pressure sensitive adhesive layer, wherein the first layer, pressure sensitive adhesive layer, and skin layer are coextruded; and
a heat seal layer printed onto a lower surface of the skin layer.