US 12,420,514 B2
Bag making machines and methods thereof
Timothy J. Rymer, Neenah, WI (US); Paul A. Johnson, Menasha, WI (US); Thomas J. Daul, Appleton, WI (US); Scott Beinema, Little Chute, WI (US); Randal C. Wied, Green Bay, WI (US); and Thomas Jansen, Appleton, WI (US)
Assigned to CMD Corporation, Appleton, WI (US)
Filed by CMD Corporation, Appleton, WI (US)
Filed on Sep. 8, 2023, as Appl. No. 18/463,471.
Application 18/463,471 is a continuation of application No. 18/199,482, filed on May 19, 2023, granted, now 12,280,560.
Claims priority of provisional application 63/344,135, filed on May 20, 2022.
Prior Publication US 2023/0415442 A1, Dec. 28, 2023
Int. Cl. B31B 70/94 (2017.01); B31B 70/00 (2017.01); B31B 70/02 (2017.01); B31B 70/64 (2017.01); B31B 70/96 (2017.01); B31B 155/00 (2017.01)
CPC B31B 70/942 (2017.08) [B31B 70/006 (2017.08); B31B 70/024 (2017.08); B31B 70/642 (2017.08); B31B 70/96 (2017.08); B31B 70/645 (2017.08); B31B 2155/00 (2017.08)] 14 Claims
OG exemplary drawing
 
1. A machine for processing a web of material into bags or pouches, the machine comprising:
an input section configured to receive a roll of the web of material, the input section comprising:
a pair of arms that are configured to engage the roll of the web of material and define an unwind axis; and
an unwind device configured to engage an outer perimetral surface of the roll of the web of material and rotate the roll of the web of material about the unwind axis such that the web of material is unwound; and
wherein the pair of arms permit the roll of the web of material to axially shift along the unwind axis as the unwind device rotates the roll of the web of material.