Envelopes – wrappers – and paperboard boxes – Envelope – Compartment
Patent
1999-07-06
2000-08-08
Pascua, Jes F.
Envelopes, wrappers, and paperboard boxes
Envelope
Compartment
229 71, 229 77, 229928, B65D 2708
Patent
active
06098872&
ABSTRACT:
An office envelope is constructed of at least one flat sheet of stock of uniform thickness throughout folded to form overlying front and back panels and a pocket panel secured to the back panel. The panels are secured together by longitudinally extending heat seals located near the edges of the pocket panel. These edges are respectively secured to the back panel proximate the opposing side edges thereof. Also, one of the sides of the envelope is provided with an overlap margin that is also secured to the back panel. The overlap margin of the side panel may be secured to the back panel by the same seal that secures one of the sealing margins of the pocket panel to the back panel. Alternatively, separate seals may be utilized to secure the overlap margin of the side panel to the back panel and the pocket panel to the back panel by two closely spaced lines of sealing. The office envelope may be constructed from either a single sheet of flat stock, in which case all of the panels and flaps are formed from the same sheet of stock. Alternatively, the pocket panel and one of the bottom panels may be formed from one sheet of stock, and the front, back, and side panels and the other bottom panel may be formed from a different sheet of stock. When more than one sheet of stock is utilized to form the office envelope, a transparent sheet may be utilized to form the pocket panel and one bottom panel, while an opaque or translucent sheet of material may be utilized to form the other panels.
REFERENCES:
patent: D366495 (1996-01-01), Hirai
Pascua Jes F.
Thomas Charles H.
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