US1514371A - Extension envelope - Google Patents

Description

Nov. 4 1924.

"1,514,371 J. E. CLOUGH EXTENSION ENVELOPE Filed Nov. 12 1923 lNVENTOR F15. E I J se uh E C/ z/yk.

ATTORNEY Patented Nov. 4, 192 3.

JOSEPH EDWIN CLOUGH, OF W'ILIEINGTON, DELA\VAR-E.

EXTENSION ENVELOPE.

App lication filed November 12, 1823.

To all whom it may concern:

Be it known that I, Josnrrr E. GLouGIr, a citizen of the United States, residing at Wilmington, in the county of New Castle and State of Delaware, have invented certain new and useful Improvements in tension Envelopes, of which the following is a specification.

The invention generally relates to stationery and more particularly to that class of envelopes in which a construction is provided permitting an extension of the dimensions thereof to permit the enveloping of varied sizes of enclosures.

In the use of standard sized common type envelopes difiiculty and unnecessary expense are occasioned by reason of the necessity of keeping in stock varied lengths of envelopes to accommodate varied lengths of enclosuresand by the use of which waste is often occasioned by the use of large sized envelopes where a small one only was necessary and by the mistaken addressing of small sized envelopes where large ones were needed, necessitating the readdressing of larger ones and the wasting of the smaller ones.

Therefore, it is the object of my invention to provide an extensible envelope capable of extension to accommodate enclosures of varied length and which is composed of two separable units each capable of use as an individual envelope when the extension fea ture is not needed.

With the above and other objects in view that will hereinafter appear the invention further resides in those novel details of construction, combination and arrangement of parts, all of which will be first fully described, then be particularly pointed out in the appended claims, reference being had to the accompanying drawing in which Figure 1 is a perspective view of the two parts of my invention one separated from the other.

Figure 2 is a side elevation of the invention in use in its extended condition.

Figure 3 is a central horizontal section thereof.

Figure 4: is a view similar to Figure 3 illustrating one part of the envelope in use as a unit in itself.

Figure 5 is a view similar to Figure 4 illustrating the other part of the envelope in use.

In the practical embodiment of my invention my extension envelope is composed of Serial No. 674,351.

two parts, one telescopic within the other and hereinafter referred to as the casing part 1 and the telescoping part 2.

The casing part 1 is formed after the manner in which common types of one-endope'n envelopes are formed except for the opposing flap extensions 33, which are gummed as at 4 for a purpose soon to be described.

The telescoping part 2 is constructed in like manner as the casing part 1 except that it includes a single flap extension 5 only, which is also gummed as at 6 for a purpose later to be described, and which is formed of a width sufficiently narrower than that of the part 1 as to be readily telescopic thereinto, see Figures 1 and 2.

By reason of constructing the two parts of my improved extension envelope as shown and above described, it is possible to use either of said parts as an individual en velope, when the contents 7 to be enveloped thereby are of suitable size, see Figures 4 and 5, or they may be used in cooperation one with the other, when the contents 7 to be enveloped thereby are of such size as to make it necessary or desirable, see Figure 2.

lVhen the parts 1 and 2 are to be used in cooperation, the part 2 is telescoped into the part 1 as is illustrated into Figure 2 and the gummed surfaces l of the flaps 3 moistened and pressed down to cause the said flaps to adhere to the outsides of the part 2 and securely hold the parts together in cooperative relation and sealed against intrusion.

When the part 2 is to be used as an individual envelope, as illustrated in Figure 1, the gummed surface 6 of the flap 5 thereof is moistened and sealed over the envelope end in the manner usual in the use of such envelopes.

When the part 1 is to be used as an individual envelope, as is illustrated in Figure 5, one of the flaps 3 thereof is turned into the envelope and the gummed surface 4 of the remaining flap moistened and sealed over the envelope end to effectively seal the same against intrusion.

From the foregoing description, taken in connection with the drawing by which it is accompanied, the novel details of construction, the manner of use, and the advantages of my invention will be readily apparent.

What I claim is:

1. An envelope of the class described comprising a casing part and a part telescoping Within said casing, said casing part includ ing at least one flap extension guniined to permit adhesion of said extension to the telescopic part to secure the parts at their extended relation.

2. An envelope of the class described comprising a casing part and a part telescopic within said casing, the said casing part including an opposing pair of flap extensions guinined to permit adhesion of said flaps to the said telescopic part to secure the parts attheir extended relation.

3. An envelope of the class described, coinprising a casing part and a part adaptable to telescopic cooperation With the casing part, the said casing part including a pair of opposing flap extensions gurnnied to perinit adhesion of said flaps to the said telescopic part to secure the parts at their extended position when used as an extension envelope or one thereof to he turned in and the other turned over and sealed when the said casing part is to he used as an individual envelope, and a guinnied flap on said telescopic part adapted to he turned over and sealed when the said part is to be used as an individual envelope.

JOSEPH EDWIN CLOUGH.

Images