US 11,912,496 B2
Method of forming polymeric bags
Brad A. Cobler, Irving, TX (US)
Assigned to Poly-America, L.P., Grand Prairie, TX (US)
Filed by Poly-America, L.P., Grand Prairie, TX (US)
Filed on Feb. 2, 2023, as Appl. No. 18/163,409.
Application 18/163,409 is a division of application No. 17/489,354, filed on Sep. 29, 2021, granted, now 11,597,592.
Application 17/489,354 is a continuation of application No. 16/369,832, filed on Mar. 29, 2019, granted, now 11,161,687, issued on Nov. 2, 2021.
Application 16/369,832 is a continuation of application No. 15/397,821, filed on Jan. 4, 2017, granted, now 10,336,535, issued on Jul. 2, 2019.
Application 15/397,821 is a continuation in part of application No. 15/139,480, filed on Apr. 27, 2016, granted, now 10,138,054, issued on Nov. 27, 2018.
Application 15/139,480 is a continuation in part of application No. 14/659,785, filed on Mar. 17, 2015, granted, now 9,487,334, issued on Nov. 8, 2016.
Application 14/659,785 is a continuation in part of application No. 14/645,533, filed on Mar. 12, 2015, granted, now 9,573,729, issued on Feb. 21, 2017.
Prior Publication US 2023/0182997 A1, Jun. 15, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B29C 59/04 (2006.01); B65F 1/00 (2006.01); B29L 31/00 (2006.01); B29K 23/00 (2006.01)
CPC B65F 1/0006 (2013.01) [B29C 59/04 (2013.01); B65F 1/002 (2013.01); B29K 2023/0625 (2013.01); B29K 2023/0633 (2013.01); B29L 2031/7128 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A method of forming a bag of polymeric film, the method comprising:
forming a collapsed tube of polymeric film, the collapsed tube having a machine direction,
a pair of intermeshing rollers intermittently engaging and disengaging the collapsed tube to form a plurality of embossed sections and a plurality of unembossed sections,
forming the collapsed tube into a plurality of bags, each bag comprising at least a fraction of one of the plurality of embossed sections.