US 12,384,610 B2
Directional tear packaging film
Susan L. Montano, Oshkosh, WI (US); Kevin P. Nelson, Appleton, WI (US); and Andrew S. Ives, Neenah, WI (US)
Assigned to Amcor Flexibles North America, Inc, Neenah, WI (US)
Appl. No. 17/428,511
Filed by Amcor Flexibles North America, Inc., Neenah, WI (US)
PCT Filed Jun. 28, 2019, PCT No. PCT/US2019/039810
§ 371(c)(1), (2) Date Aug. 4, 2021,
PCT Pub. No. WO2020/162963, PCT Pub. Date Aug. 13, 2020.
Claims priority of provisional application 62/800,683, filed on Feb. 4, 2019.
Prior Publication US 2022/0112018 A1, Apr. 14, 2022
Int. Cl. B65D 75/58 (2006.01); B32B 3/26 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/36 (2006.01); B65D 65/40 (2006.01)
CPC B65D 75/5805 (2013.01) [B32B 3/266 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/36 (2013.01); B65D 65/40 (2013.01); B32B 2250/03 (2013.01); B32B 2250/04 (2013.01); B32B 2250/05 (2013.01); B32B 2270/00 (2013.01); B32B 2307/518 (2013.01); B32B 2307/582 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/736 (2013.01); B32B 2307/738 (2013.01); B32B 2439/46 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A directional tear packaging film comprising:
a first film that is an unoriented film comprising a machine direction linear tear layer that comprises from 60 percent to 95 percent ethylene vinyl alcohol copolymer (EVOH) and from 5 percent to 40 percent polyethylene and a second layer comprising a sealing layer comprising a sealing surface;
a laminating agent; and
a second film comprising an oriented film;
wherein the first film is a coextruded film, wherein the laminating agent is positioned between the first film and the second film such that the sealing surface is exposed, and wherein the EVOH of the machine direction linear tear layer comprises an ethylene content from 24 mole percent to 50 mole percent.