Bulk container liner and method

Details Bulk container liner and method Bulk container liner and method

1997-02-12

1999-02-02

Garbe, Stephen P.

Flexible bags

Wall details

Pleated or gusseted

383105, 383122, B65D 3020

Patent

active

058655417

ABSTRACT:
A collapsible liner for a bulk container made of a flexible material and having seamless top and bottom walls is provided. The liners are formed from a tubular blank folded to form two gusset panels received inwardly of two overlying flat panels. The blank is severed to form triangular portions adjacent opposed ends of the blank and adjacent sides of adjacent triangular portions are connected together to form a pair of generally opposed and generally rectilinear side walls of the liner. The seamless top and bottom walls are stronger than those portions of the liner with seams and are less likely to rupture or leak.

REFERENCES:
patent: 3319684 (1967-05-01), Calhoun
patent: 3349991 (1967-10-01), Kessler
patent: 3367380 (1968-02-01), Dickey
patent: 3550662 (1970-12-01), Remkke et al.
patent: 4524459 (1985-06-01), Titchenal
patent: 4596040 (1986-06-01), Lafleur et al.
patent: 4730942 (1988-03-01), Fulcher
patent: 4790029 (1988-12-01), LaFleur et al.
patent: 5104236 (1992-04-01), Lafleur

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