Large bulk bag

Details Large bulk bag Large bulk bag

1983-09-01

1986-06-17

Moy, Joseph Man-Fu

Flexible bags

Lifting or suspending element

Unitary with bag

383 42, 383 72, B65D 3316

Patent

active

045960402

ABSTRACT:
A large bulk bag formed from a tubular blank of woven fabric having inwardly folded gusset panels along opposite side edges. While in the flattened condition, the blank is sewn along predetermined stitch lines and severed at predetermined portions so that, when the stitched and severed blank is expanded, it forms a bag of rectangular cross section having a closable spout at one or both ends. If a liner is to be used in the bag, the liner is formed from a gussetted tubular blank and sealed and severed along lines corresponding to the stitch severing lines on the bag so that the flat liner can be inserted into the flattened bag with the gussetted portions of the bag and liner interfitting in interleaved relation and the spout on the liner extending through the spout on the bag.

REFERENCES:
patent: 2196185 (1940-04-01), Belcher
patent: 2210937 (1940-08-01), Geimer
patent: 2656093 (1953-10-01), Smith
patent: 4211266 (1980-07-01), Massey
patent: 4300608 (1981-11-01), Cuthbertson

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