US792668A - Envelop. - Google Patents

Description

PATENTED JUNE 20, 1905.

A. DE SAINT OHAMAS.

ENVELOP.

APPLIOATION FILED SEPT. s, 1904.

NITED STATES Patented June 20, 1905.

ALBERT DE SAINT CHAMAS, OF CHICAGO, ILLINOIS.

ENVELOP- SPECIFICATION forming part of Letters Patent No. 792,668, dated June 20, 1905.

Application filed September 6, 1904. Serial No. 223,438.

. To all whom/ it may concern.-

Be it known that I, ALBERT DE SAINT CHA- MAS, a citizen of the United States of America; and a resident of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Envelops, of which the following is a specification.

The main objects of my invention are to provide, in an envelop which is adapted for securely retaining its contents and at the same time permitting of being readily opened for inspection, an improved form of flap-retaining pocket and an improved arrangement of the flap, whereby the same may be readily inserted or withdrawn from the pocket. I accomplish these objects by the device shown in the accompanying drawings, in which Figure 1 is a plan showinga form of blank for making envelops embodying my invention. Fig. 2 shows the same blank after it has been folded to form the flap-retaining pocket and showing one of the side flaps in its closed position and the other flap at right angles to the body part of the envelop to illustrate the method of folding the blank. Fig. 3 is a view of the completed envelop. Fig. 4 illustrates the envelop with its upper flap in its closed position. Fig. 5 is a section on the line 5 5 of Fig. .4, the thickness of the material being exaggerated for the purpose of clearness.

In the form shown the blank 1 is cut away at its corners and creased to form a rectangular body part 2, having rectangular side flaps 3 and 4 of the same length as the body part 2 and of sufficient width to overlap when folded against the body part on the lines 6 and 7 The envelop is also provided with a bottom flap 8, which is gumrned for being secured against the closed side flaps, and a top flap 9, which is not gummed. The body part 2 together with the side flaps 3 and 4 are creased on the lines 10 and 11, which are below the upper edge 12 of the body part and disposed in parallel relation to the same. The top flap 9 is creased in opposite directions on the lines 13 and let, and the side flaps are notched at 15 and 16 for the purpose which will be hereinafter explained.

To form the envelop, the blank shown in Fig.

1 is folded back upon itself on the crease 11 and is then folded forward on the crease 10, bringing the creases 11 and 12 into adjacent positions, and thereby shortening the length of the body part 2. The side flaps are then turned down against the body part 2 and secured together with their respective folds registering with each other. The notches 15 and 16 permit the folds of one of the side flaps to be readily inserted into their proper registering position with the corresponding folds of the other side flap. When the side flaps are thus secured together and the bottom flap 8 secured in its closed position, then the envelop is complete and appears as illustrated in Fig. 3. The part of the blank which lies between the creases 11 and 12 now forms a strip extending entirely around the upper edge of the envelop and forming a pocket opening outwardly and downwardly away from said upper edge.

The feature of forming a flap-retaining pocket along the open edge of the envelop is not broadly claimed herein, but is more fully described and claimed in my copending applications, Serial No. 219,082, filed August 1, 1904, and Serial N o. 222,29 I, filed August 26, 1904:.

To close the envelop, the flap 9 is closed by folding the same on the crease 12 and then tucking a fold of the flap 9 into the pocket, as shown in Fig. 5, causing the flap 9 to fold in opposite directions on the creases 13 and 14:, with its free end 17 extending outwardly of the pocket, so as to be conveniently grasped by the user of the envelop for withdrawing the flap from the pocket and opening the envelop.

It will be seen that some of the details of the device shown may be altered without departing from the spirit of my invention.

WhatI claim as my invention, and desire to secure by Letters Patent, is-

1. As an article of manufacture, an envelop comprising a blank cut to form a rectangular body part, having flaps at opposite sides thereof, said blank being folded upon itself across the body part and the side flaps on two lines substantiallyparallel with the upper edge of the body part to forma pocket below said upper edge and opening outwardly and down wardly, and the side flaps being then closed and secured against the body part and serving to prevent the unfolding of said pocket, substantially as described.

2.- As an article of manufacture, an envelop having near its flap edge a pocket opening outwardly and facing away from the flap and adapted to receive the flap when closed and folded back into the pocket, and the flap being creased on opposite sides on two lines substantially parallel and non-coincid ent with the top of the body part to form a fold adapted to be tucked into the pocket when the flap is closed,and said flap being of sufficient length to have its free end extending outwardly of the pocket, substantially as described.

3. As an article of manufacture, an envelop comprising a blank cut to form a rectangular body part having a top flap and two side flaps, said side flaps being of suflicient length to overlap when folded against the body part and their upper edges terminating substantially in alinement with the top of the body part, said blank being then folded upon itself across the body part and the side flaps on lines substantially parallel with top of the body part to form a pocket opening outwardly and downwardly, and the side flaps being then closed against the body part and secured together with their corresponding folds registering with each other, substantially as described.

4:. An envelopblank, comprising a rectanthe top edges of the side flaps being substantially in alinement with the top of the body part and the side flaps being adapted to overlap each other when folded against the body part, the body part and side flaps having therein the creases and 11 in opposite faces of the blank and parallel with the top of the body part, and the top flap having the creases 13 and 14 in opposite faces thereof, also parallel with the top of the body part, and spaced to correspond with the creases 10 and 11, substantially as described.

5. An envelop-blank, comprising a rectangular body part, having a top flap at one end of the same and a flap at each side of the same, the top edges of the side flaps being substantially in alinement with the'top of the body part and the side flaps being adapted to overlap each other when folded against the body part, the body part and side flaps having therein the creases 10 and 11 in opposite faces of the blank, and parallel with the top of the body part, the side flaps being notched at 15 and 16 at respectively opposite ends of the creases 10 and 11, and said notches extending inward a distance substantially equal to the overlap between said side flaps when closed, substantially as described.

Signed at Chicago this 2d day of September,

ALBERT DE SAINT GHAMAS.

Witnesses:

GLEN C. STEPHENS, EUGENE A. RUMMLER.

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