Process for producing paper bags with handles

Details Process for producing paper bags with handles Process for producing paper bags with handles

1993-11-16

1995-01-17

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493226, 493926, B31B 3786, B31B 2314, B31B 2326

Patent

active

053822153

ABSTRACT:
A process for producing paper bags with handles glued to the insides of the facing opening edges, includes perforating a paper web with transverse perforation lines spaced at distances corresponding to the section lengths necessary to produce the bags. At a given distance from the transverse perforation lines the handles are glued in adjacent pairs to the web in such a way that the outer handle parts project beyond the transverse perforation lines. The web is joined together into a tubular web by folding over its side edges, such that the handles face each other. The overlapping side edges that have been folded together are glued to form a seam. The sections are detached along the transverse perforation lines and each section is provided with a bottom portion at the end opposite the handles. Adhesive coatings are applied to the web in a transverse direction between arms of the handle and Z-shaped folds are made in the adhesive area and folded onto the adhesive, using pressure, to prevent the upper edge of the bag from tearing.

REFERENCES:
patent: 2346710 (1944-04-01), Steen
patent: 3439591 (1969-04-01), Class
patent: 3507194 (1970-04-01), Schwarzkopf
patent: 3722377 (1973-03-01), Hayes
patent: 4790804 (1988-12-01), Goutou et al.

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