Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container
Patent
1980-05-01
1982-07-06
Pieprz, William
Manufacturing container or tube from paper; or other manufacturi
Container making
Pliable container
493409, 414 30, 414 54, B31B 100
Patent
active
043380840
ABSTRACT:
Before piling or stacking the bags, the intermediate part (1) of the bag lying between the reinforced or thickened top and/or bottom part (2,3) is folded so as to create a layer having a thickness corresponding to the thickness of the top and/or bottom parts (2,3) where these are folded flat against the bag or sack. Consequently, the bags can be stacked in great numbers without upsetting the stack or distorting the shape of it.
REFERENCES:
patent: 4036116 (1977-07-01), Tetenborg
Bates Ventilsaekke Co. A/S
Heinz A.
Levy Edward F.
Pieprz William
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