Envelope, an envelope blank, and a method of forming an envelope

Details Envelope, an envelope blank, and a method of forming an envelope Envelope, an envelope blank, and a method of forming an envelope

1997-02-20

1998-05-19

Pascua, Jes F.

Envelopes, wrappers, and paperboard boxes

Envelope

Having means to facilitate opening the envelope by severing it

229310, B65D 2738

Patent

active

057526524

ABSTRACT:
An envelope blank, die cut from a sheet of flat paper stock, has a quadrilateral panel, a sealing flap, side flaps and a closure flap, with one of the side flaps having a slot formed therein to define a surmounting tab. A length of string is adhered to a fold obtaining between the panel and one of the side flaps, and lengthwise of the fold, and has a terminal end of the string adhered to the tab. With the tab externalized, the blank-formed envelope can be quickly and efficiently opened by pulling the tab away, and drawing the confined string out of the fold, whereby an end of the envelope is opened.

REFERENCES:
patent: 599960 (1898-03-01), Gillette
patent: 1328028 (1920-01-01), Ahana
patent: 2141084 (1938-12-01), Hemphill

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