Method for producing packing bags which can be stacked on a wick

Details Method for producing packing bags which can be stacked on a wick Method for producing packing bags which can be stacked on a wick

1989-05-04

1991-01-29

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493201, 493235, 493239, 493342, 493357, B31B 116, B31B 186

Patent

active

049883321

ABSTRACT:
A method for the production of packing bags which can be stacked on a wicket and unfolded while being filled, and for that purpose are provided at the bottom end of the bag with exposed wicket perforations disposed in a wicket tab. The bag is made from an outspread web which first is assembled to an open-sided tube and then into a flat-folded tube and bonded. The outspread web is severed in the area of the bag-length boundaries which set the bag lengths apart from one another, by means of a cut made transversely of the web, which produces a castellated outline. The bottom area and top area of two bag lengths lie adjacent one another and yield interfitting tabs and notches. The tabs in the top area can be laid one on the other to form a handle section and at least one tab in the bottom area is used as a wicket tab. Unneeded web material between the tabs is cut away.

REFERENCES:
patent: 4696050 (1987-09-01), Sengewald

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