Patent ID: 9517605
Filing Date: 2016-12-13
CPC Classification: B29C,B29K,B31B

Claim Text:
1. An apparatus for making a roll of tri-fold bottom seamed bags, comprising: a supply of either of plastic and other extrudable film material; an extruder, said extruder forming a seamless continuous tube of thin film from said material; a tubing flattener, said flattener flattening said continuous tube into a flattened tube, said flattened tube having first and second side edges and upper and lower interior surfaces disposed adjacent one another; a sealer, said sealer forming a series of seals in said flattened tube perpendicular to a long axis of said tube said seals forming bottom seams for bags of said roll of tri-fold bottom seamed bags; a folder, said folder comprising: a perforator, said perforator perforating said compact, Z-folded flattened tube through six film layers and forming a perforation line; and a bag roller, said bag roller rolling said perforated compact flattened tube into a compact roll.