US 12,145,784 B2
Extensible paper and its use in the production of expanded slit packaging wrap and void fill products
David P. Goodrich, Sedona, AZ (US)
Assigned to HexcelPack, LLC, Sedona, AZ (US)
Filed by David P. Goodrich, Sedona, AZ (US)
Filed on Jul. 11, 2023, as Appl. No. 18/220,396.
Application 18/220,396 is a continuation of application No. 17/844,031, filed on Jun. 19, 2022, granted, now 11,760,548.
Application 17/844,031 is a continuation of application No. 16/872,813, filed on May 12, 2020, granted, now 11,383,906, issued on Jul. 12, 2022.
Application 16/872,813 is a continuation of application No. 16/018,702, filed on Jun. 26, 2018, granted, now 10,669,086, issued on Jun. 2, 2020.
Claims priority of provisional application 62/524,905, filed on Jun. 26, 2017.
Prior Publication US 2023/0348160 A1, Nov. 2, 2023
Int. Cl. B65D 65/22 (2006.01); B31D 3/02 (2006.01); B31D 3/04 (2006.01); B31D 5/00 (2017.01); B65D 81/03 (2006.01); B65D 85/672 (2006.01); D21H 25/00 (2006.01); D21H 27/00 (2006.01); D21H 27/10 (2006.01); B31D 1/00 (2017.01); B32B 3/12 (2006.01); B32B 3/24 (2006.01); B65B 55/20 (2006.01)
CPC B65D 65/22 (2013.01) [B31D 3/0207 (2013.01); B31D 3/0292 (2013.01); B31D 3/04 (2013.01); B31D 5/006 (2013.01); B31D 5/0065 (2013.01); B31D 5/0069 (2013.01); B65D 81/03 (2013.01); B65D 85/672 (2013.01); D21H 5/24 (2013.01); D21H 5/245 (2013.01); D21H 27/10 (2013.01); B31D 1/0031 (2013.01); B31D 2205/0023 (2013.01); B65B 55/20 (2013.01); D21H 25/005 (2013.01); Y10T 428/24298 (2015.01); Y10T 428/24306 (2015.01); Y10T 428/24314 (2015.01)] 28 Claims
OG exemplary drawing
 
1. A void fill slit sheet extensible paper cushioning product, comprising:
a slit sheet extensible paper having a slit pattern including a plurality of slits extending in a cross direction that form open cells upon expansion in a machine direction,
wherein extensibility of unslit extensible paper from which said slit sheet extensible paper is made is within a range from 9 to 20% in the machine direction.