US 1772280 A
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A'UgQ S, I930. C1: w, s 1,772,280
COMBINATION ENVELOPE Fila Oct. 6, 192a Patented Aug. 5, 1930 UNITED STATES PATENT OFFICE CHARLES W. FRASER, or TORONTO, ONTARIO, CANADA, ASSIGNOR' TOTHE GEORGE EVERALL COMPANY, LIMITED; or TORONTO, OANAD V COMBINATION ENVELOPE Application filed October 6, 1928. Serial No. 310,763.
This invention relates to double purpose envelopes and has for its object the construction of an envelope of the type described which may be cheaply and easily made and 5 which is convenient and simple for use, which maybe made from a minimum amount of material, and in which the-insertion of the contents and closing the envelope is facilitated.
I attain my object by constructing an envelope of comparatively large size for pamphlets catalogues or other second class mail, which envelope is left open at two adjacent sides, each of the open sides being provided with a flap, one of which is gummed for sealing purposes.
To the inside of the envelope a sheet of paper is secured to form a compartment for letters or other first class mail. The open side of this compartment is arranged sufficiently close to the open side of the envelope having the gummed flap, so that when the flap for that side of the envelope is sealed down, the open side of the compartment 1S'1I1- accessible. The other flap of the envelope is simply slipped within the envelope to prevent accidental slipping out of the pamphlet, catalogue, or'other second class mail.
With this construction both classes of mail may be insert-ed from one side ofthe envelope, thus avoiding the necessity of turning the envelope, while at the same time a very large opening extending over two sides of the envelope is provided. This not only greatly facilitates the insertion of the second class mail but makes the opening of the first class mail compartment more easily got at.
The invention is hereinafter more fully described and isillustrated in the accompany ing drawings in which Fig. 1 is a plan view of the envelope showing the flaps open; 7
Fig. 2 is a section through the envelope on the line 2-2 in Fig. 1, looking from right to left, showing the envelope in its closed condition Fig. 3 is a plan view of the blank from which the envelope is made;
Fig. l is a longitudinal section partly broken away of an alternative form of the en velope; and 1 Fig. 5 is an end view of the said modified form. v V
In the drawings-like numerals ofreference indicate corresponding parts in the different figures. V
1 represents the front or address side of the envelope and 2 the back of the envelope, which is hinged at its lower edge to the frontv of the envelope. A flap 3 is secured to one. end of the front of the envelope and sealed over the free edge of the back of the envelope; A flap 4 is provided at the top edge of the back of the envelope and adhesive matter 8 is provided on its free edge wherebyit is adapted to be sealed over the upper. edge of the front 1 of the envelope.
A fiap 5 is attached tothe frontl of the envelope at the otherend thereof. This flap is adapted to be turned into the opening between the front and back. or may beiturned over and detachably securedin some known manner to the back of the envelope.
A partition 6 is glued to the front of the envelope on the inside thereof,preferably adjacent the upper left hand side of the envelope. This partition is secured along three of its edges, but its top is open and adjacent the upper edge of the envelope and is adapt ed tO-be closed and sealed when the flap 4 is turned over and sealed.
The compartment above referred to is adapted to carry a letter or other first class mail. An opening or transparent portion 7 may be formed in the front 1 of the envelope in such a position as to make a name or address written on an inserted letter visible and IOitdilble through the front 1 from the out sic e.
Suitable directions for theuse of the envelope'may be printed thereon and a space marked for afiixing first class postage for the first class matter andanother space for postage for the other matter of other classes.
- While one specific method of forming the envelope is described, it may be seen that the construction of the envelope may be varied considerably without departing from the gist of my invention, which consists of an envelope permanently sealed at two adjacent "adjacent sides through which mail matter 2 mans-so sides, and open at the other adjacent sides for the insertion of mail matter of different classes, one of the sides being adapted to be I sealed to close permanently the one side of the envelope and the first class mail compartment, and the other side being adapted to be closed in such a manner that the second or lower class contents of the envelope are accessible for inspection by the postal authoritieS. I
Figs. 4 and 5 show an alternative form of my improved envelope. In this'construction the partition 6 is left open adjacent the left hand end of the envelope, and" is adapted to be closed by the flap 5, so that the letter compartment is accessible as Well as the main interior of the envelope. Thisconstrnction is useful Where the letter compartment is used to hold circulars etc. hich may be mailed at reduced rates if not sealed.
What I claim is: V
In an envelope, a front and back portion hinged at one side, and having a flap formed on one portion, adjacent the hinged side, said flap belng'sealed over the other portion, closing one side, and leaving two open may be readily inserted; a flap on one portion' provided with adhesive matter on its free edge whereby it is adapted to be sealed over the free ed e of the other portion, sealing another side; a partition secured along its edges to the inside of one of said portions and having one free edge near the side of the envelope Which is adapted to be sealed by the last mentioned flap, thus forming tWo coterminons openings adapted to be sealed by the one flap; and afiap on one portion adapted to close aside of the envelope adjacent the last mentioned side, said flap being adapted to be releasably held in its side closing position.
Y Signed at Toronto, Canada, this 28th day of August, 1928.