Envelopes – wrappers – and paperboard boxes – Envelope – Compartment
Patent
1980-02-28
1982-02-02
Garbe, Stephen P.
Envelopes, wrappers, and paperboard boxes
Envelope
Compartment
229DIG3, 493243, B65D 2708
Patent
active
043135587
ABSTRACT:
A multiple pocket, expandable envelope, and a blank and method of forming the envelope, involve the use of a planar, unitary blank. The envelope has front and back panels and front and back divider panels therebetween to define three pockets within the envelope. The front panel is hingedly coupled to the front divider panel along a fold line at one side thereof. The back panel is hingedly coupled to the back divider panel along a fold line at one side thereof. A plurality of side panels hingedly couple the front panel to the front divider panel at the other side of the front panel, the back panel to the back divider at the other side of the back panel, and the front and back divider panels to each other. This permits the multiple pocket, expandable envelope to be formed from a planar, unitary blank in a simple and inexpensive one-pass straight line operation on conventional folding and gluing apparatus.
REFERENCES:
patent: 276961 (1883-05-01), Quillfeldt
patent: 886350 (1908-05-01), Corliss
patent: 1202069 (1916-10-01), kantro
patent: 1276101 (1918-08-01), Oakley
patent: 1347797 (1920-07-01), Stevens
patent: 1421240 (1922-06-01), Ikeda et al.
patent: 1473329 (1923-11-01), Williams
patent: 1586016 (1926-05-01), Walters
patent: 2236659 (1941-04-01), White
patent: 3643858 (1972-02-01), Deckys
Champion International Corporation
Garbe Stephen P.
Sommer Evelyn M.
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