US 12,420,513 B2
Machine for production of stand up pouches
R. Charles Murray, Sarasota, FL (US); and Olaf Clemens, Wipperfurth (DE)
Assigned to Pouch Pac Innovations, LLC, Sarasota, FL (US)
Filed by Pouch Pac Innovations, LLC, Sarasota, FL (US)
Filed on Feb. 8, 2021, as Appl. No. 17/170,042.
Claims priority of provisional application 62/970,807, filed on Feb. 6, 2020.
Prior Publication US 2021/0347141 A1, Nov. 11, 2021
Int. Cl. B31B 70/00 (2017.01); B29C 65/00 (2006.01); B29C 65/18 (2006.01); B31B 70/10 (2017.01); B31B 70/16 (2017.01); B31B 70/26 (2017.01); B31B 70/64 (2017.01); B31B 155/00 (2017.01)
CPC B31B 70/006 (2017.08) [B29C 65/18 (2013.01); B29C 66/43121 (2013.01); B29C 66/8511 (2013.01); B29C 66/932 (2013.01); B29C 66/95 (2013.01); B31B 70/10 (2017.08); B31B 70/16 (2017.08); B31B 70/26 (2017.08); B31B 70/642 (2017.08); B31B 2155/00 (2017.08)] 13 Claims
OG exemplary drawing
 
1. A machine for the production of stand up pouches from a web of film, the machine comprising:
a feed mechanism adapted to move the web in a feed direction at a constant speed sequentially through a punching station, a folding station, and a welding station, the welding station having a pair of seal bars which travel with the web during engagement with the web;
wherein the machine further comprises a rotary sensor measuring the speed of the film and an optical scanner determining a position of a registration mark on the web;
the punching station including a first electromagnetic punch and a second electromagnetic punch that are disposed spaced apart from one another in the feed direction;
wherein the first electromagnetic punch has a pair of punch structures arranged to cut a first pair of holes in the web adjacent to a first side of a pouch;
wherein the second electromagnetic punch has a pair of punch structures arranged to cut a second pair of holes in the web adjacent to a second side of the pouch; and
wherein the pair of punch structures of the first electromagnetic punch and/or the second electromagnetic punch includes a first punch structure and a second punch structure that are disposed equidistant from a center line of the web and, when actuated, cut a pair of holes in the web that are disposed equidistant from the center line of the web.