Ventilated boxes

Details Ventilated boxes Ventilated boxes

1996-10-28

1998-06-30

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

229120, B65D 532

Patent

active

057721076

ABSTRACT:
Ventilation panels for boxes and cartons and methods and apparatus for manufacturing those panels at production levels. The ventilation panels include a pest barring, gas transmitting screen trapped between two segments of the material from which the panel is made.

REFERENCES:
patent: 536506 (1895-03-01), Boatwright
patent: 876061 (1908-01-01), Katzenstein
patent: 1697709 (1929-01-01), Bliss
patent: 1838726 (1931-12-01), Workman
patent: 2401742 (1946-06-01), Bentham
patent: 3040954 (1962-06-01), Salmon
patent: 3927822 (1975-12-01), Giebel
patent: 4291830 (1981-09-01), Sorensen
patent: 4497408 (1985-02-01), Jes
patent: 4513907 (1985-04-01), Grosshuesch
patent: 5361974 (1994-11-01), Earl et al.

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