Means of Sealing the Mouths of Packages Made of Waterproof Paper and the like.
Year: 1899

page_text: Date of Application, 1st Sept., 1899
Complete Specification Left, 27th Apr., 1900-Accepted, 2nd June, 1900
PROVISIONAL SPECIFICATION.
Means of Sealing the Mouths of Packages Made of Waterproof Paper
and the like.
I, HENRY M. HUMPHREY, of Plainfield, in the County of Union and State of
New Jersey, United States of America, Merchant and Manufacturer, do hereby
declare the nature of this invention to be as follows: -
The object of my invention is to provide a means whereby the mouths of
packages made of paraffine or wax paper, or a like waterproof material, may be
sealed air and water tight without the use of cement. The bottom of the
package is permanently closed in any suitable manner and after the package
has been filled, that portion of the package above the material at the ends is
folded inwards upon the contents while the side portions are carried inwardly
and upwardly in contact with each other and have their upper edges bent upon
themselves in a downward direction forming a transverse fold, after which said
folded portion is again carried wnward, thus forming a second fold.
folds are held in position by a rectangular sealing plate having a flange along
one longitudinal edge between which Hange and the body of the plate the fold
of the side flaps is received and upon which fold the plate is firmly and immov-
ably clamped, the side flaps with the plate being then folded on the end flaps
with the body of the plate outward, upon which may be written any directions
concerning the contents of the package.
Theso
A package sealed as above set forth can be opened only by cutting or tearing
the material of which the package is made, or by removing the sealing plate
which would be very difficult to replace without risk of detection.
Hated this lot dor of Cantambon 1900
A. M. & WM. CLARK,
Chartered Patent Agents, 53, Chancery Lane, London.
Means of Sealing the Mouths of Packages Made of Waterproof Paper
and the like.
J, HENRY M. HUMPHREY, of Plainfield, in the County of Union and State of
New Jersey, United States of America, Merchant and Manufacturer, do hereby
declare the nature of this invention and in what manner the same is to be per-
formed to be particularly described and ascertained in and by the following
statement:
The object of my invention is to provide a means whereby the mouths of

page_text: packages made of paraffine or wax paper or a like material, may be sealed air
and water-tight without using a cement or a cementing compound. A further
object of the invention is to obtain the above named results in a simple, durable
anu inexpensive manner.
The invention consists in the novel construction and combination of the several
parts, as will be hereinafter fully set forth and pointed out in the claims
Reference is to be had to the accompanying drawings forming a part of this
specification, in which similar characters of reference indicate corresponding
parts in all the figures.
Figure 1 is a perspective view of a package, the side folds having been given
the package at the top above its contents;
Figure 2 is a detail perspective view of the top portion of a package, illus-
trating the manner in which the upper edges of the package are folded over
upon themselves;
Figure 3 is a perspective view of the upper portion of the packago, showing
the said upper portion provided with a double fold, and this figure likewise
represents a perspective view of a sealing plate, said plate being shown in posi-
tion to engage with the folded upper portion of the top of the package;
Figure is a vertical section through the folded top portion of the package
and the sealing plate engaging with said folded top portion of the package;
Figure 5 is a view similar to Figure 4, illustrating the sealing plate as clamped
upon the folds at the top of the package, to effect the closure of the mouth of the
package; and
Figure 6 is a perspective view of the package completely sealed.
A represents a package, which is usually of a waterproof material, such as a
paraffine or a wax paper. The bottom 10 of the package is permanently closed in
any suitable or approved manner, and after the package has been filled, that
portion of the package above the material at the ends 11 is folded inward upon
the contents of the package as at 12, and then the sides 14 are carried inward
towards each other at 13 and upwardly as shown, forming flaps which lie normally
in close contact with each other.
When the mouth of the filled package is closed the upper edges of the flaps 14
are bent upon themselves in a downward direction, forming a transverse fold 15,
as shown in Figure 2. When the first transverse foid 15 has been made in the
flaps, said folded portion 15 is carried again downward, obtaining a second
fold 16 as shown in Figure 3. Thus the upper edge of the package is closed
by dual registering transverse folds. These folds are held in position by a
sealing plate B, preferably made of metal, although other material may be
employed, and said sealing plate at one of its longitudinal edges is provided with
a flange 17.
After the dual folds 15 and 16 have been made in the flaps, or a single fold
is made at the mouth of the bag or package, the sealing plate is brought in
engagement with the upper folded edge of said flaps in such manner that the
upper edge of the folded portion will be received between the body and flange
of the sealing plate, as shown in Figure 4. Next, the flange 11 of the sealing
plate is pressed or forced violently in engagement with the outer fold 16, the
said pressure being produced by any suitable machine, or in any desired manner.
When the flange 17 of the sealing plate is forced to a firm engagement with the
outer fold, the outer and inner folds of the flaps 14 are maintained in close
relation to each other, and likewise in close relation to the sealing plate and its
flange, as shown in Figure 5.
After the sealing plate has been applied, said sealing plate is carried horizon-
tally down on the top of the package, as shown in Figure 6, thus providing a
water and air-tight closure of the mouth of the package without the use of
cement or material of like character. Furthermore, directions or instructions
of any character may be produced upon the sealing plate, and such instructions
may be readily read while the package is still sealed.

page_text: The sealing plate may be made of any desired width and may simply consist
of a strip of metal or like material.
A package sealed as above set forth can be opened only by cutting or tearing
the material of which the package is made, unless the flange of the sealing
plate be prized from the fold of the package, and in this case it would be
exceedingly difficult for a dishonest person to replace the sealing plate without
evidence that it had been removed or tampered with.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I claim is:
1. A package made of paraffine or wax paper, or like material, in which the
upper edges are brought together and bent upon themselves to form a fold,
which is received between the body and the flange of a sealing plate, and upon
which fold the sealing plate is firmly and immovably clamped, thus insuring a
package that will be hermetically sealed and access to which package can not
be gained except by cutting or tearing off the material of which the package is
made.
2. A package made of water proof material, provided with end flaps folded
inward upon the contents of the package, and with side flaps carried inwardly
and upwardly in contact with each other, having their upper edges bent upon
themselves, forming a fold, in combination with a rectangular sealing plate,
adapted to receive directions or instructions concerning the contents of the pack-
age, the said plate having a flange along one longitudinal edge, between which
flange and the body of the plate the fold of the side flaps is received, and upon
which fold the plate is firmly and immovably clamped, the side flaps with the
plate being then folded on the end flaps with the body of the plate outward.
Dated this 97th dor of Anril 1900.
A. M. & WM. CLARK,
Chartered Patent Agents, 53, Chancery Lane, London.