Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container
Patent
1993-12-07
1995-01-17
Lavinder, Jack W.
Manufacturing container or tube from paper; or other manufacturi
Container making
Pliable container
493197, 493223, 493926, B31B 186
Patent
active
053822161
ABSTRACT:
A method of manufacturing bags that are rectangular when collapsed and which comprise two superimposed flat sides, sealed at the edges, and a handle member. The method comprises the steps of: laying out a web forming three parallel subordinate webs, one extending longitudinally in the middle and one on each lateral side thereof; folding two top flanks out of the middle subordinate web to create a handle-top portion; V-folding a center strip of the middle subordinate web to create a handle member; providing the handle member with a finger slot and with depressions that allow the middle part to be pulled apart along the handle member to form a gusset; bringing the two lateral subordinate webs together; and attaching the lateral subordinate webs together along seams to create bag edges and cutting off the bags along their edges.
REFERENCES:
patent: 3548723 (1970-12-01), Sengewald
patent: 3568576 (1971-03-01), Lehmacher
patent: 4398903 (1983-08-01), Lehmacher
patent: 4857037 (1989-08-01), Schwinn
patent: 4874256 (1989-10-01), Baines
patent: 4913693 (1990-04-01), Ball
patent: 4931033 (1990-06-01), Leeds
patent: 5026173 (1991-06-01), Jensen
Lavinder Jack W.
M & W Verpackungen Mildenberger & Willing GmbH
Milde Jr. Karl F.
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