Collapsible, self-locking, paperboard carton

Details Collapsible, self-locking, paperboard carton Collapsible, self-locking, paperboard carton

1991-08-01

1992-03-24

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Decoration or novelty feature

229 8, 229117, 22911715, B65D 536, B65D 546

Patent

active

050980149

ABSTRACT:
A collapsible, one-piece, bucket-type, paperboard carton especially suited for fast food operations. The carton has pairs of opposed side and end walls that tend to bow outwardly when the carton is erected, so that when handle panels which are foldably joined to top wall panels, are pushed downwardly the end walls automatically move inwardly until lock tabs projecting from the handle panels are received and locked within related end wall openings.

REFERENCES:
patent: 2067998 (1937-01-01), Williamson
patent: 3581974 (1971-06-01), Freeman
patent: 3722782 (1973-03-01), Collie
patent: 4063679 (1977-12-01), Henry
patent: 4230261 (1980-10-01), Austin
patent: 4313556 (1982-02-01), Boyle et al.
patent: 4651919 (1987-03-01), Wischusen, III
patent: 4765533 (1988-08-01), Hoshiko et al.

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