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Патент USA US2122904

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July 5, 1938-
G. M. AMBRosl'us“
2,122,904 I _
TAMPERPROOF CAN
Filed June 2, 1956
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BY
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Patented July 5, 1938
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UNITED STATES PATENT OFFICE
2,122,904
TAMPERPR-OOF CAN
George‘MV. Ambrosius, Lakewood, Ohio, assignor
to The Standard Oil Company (Ohio), Eleve
land, Ohio, a corporation of Ohio,
Application June 2, 1936, Serial No. 83,098
1 Claim. (Cl. 220-76)
This invention relates to metallic shipping con- re-assembly.
- tainers or cans", and it is among the objects'of
the. invention to provide a container which can
be sealed quickly and simply without necessity
5 of resort to soldering or mechanical crimping,
and which‘ can not be unauthorizedly opened
Goods which it is desired to in
sure against “bootlegging” re-fllling are accord
ingly also particularly well safeguarded; In the
embodiment of the invention in Fig. 1, the con
tainer body 2 has a suitable bottom closure'3 per- I
manently secured, as by seaming, etc., and after
without destroying. ,
the goods have been ?lled in, the cover 4 is
Other objects and advantages will appear as ‘ snapped into place by the inter-locking indenta
the description proceeds.
tions 5, B. The container body is provided with
10
To the accomplishment of the foregoing and a raised be'ad ‘! beyond the edge 8 of the cover. 10
related ends, the invention, then, comprises the Such bead may extend transversely more or less
features hereinafter fully described, and par- completely about the container, as convenient.
ticularly pointed out in the claim, the following In the case of containers of square section as
description and the annexed drawing setting forth' indicated in Fig. 2 in detail, the bead may ex
15 in detail certain illustrative embodiments of the tend across the greater expanse of each side, and 15
invention, these being indicative however, of but in the case of a container of circular section, as
a few of the various ways in which the principle of indicated in Fig. 4 it may completely encircle the
the invention‘ may be employed.
circumference if desired. The head however in
In said annexed drawing:—
any case is of su?icient extent to constitute a
20
Fig. 1 is aside elevational view, partly in sec- reinforcement or stiffening means rendering the 20
tion, showing an embodiment of the invention; sheet metal wall correspondingly more resistant
‘Fig. 2 is a‘fragmentary similar view, showing
parts in relation for assembly; Fig. 3 is a top plan
against inward bending. The bead may also
provide stop-means for the edge of the cover. In
view, partly in section; Fig. 4 is a similar view the cover a receiving groove I0 is provided oppo
25 of a modification; Fig. 5 is an enlarged section site the end edge of the container body, such that 25
taken on a plane substantially indicated by line the end edge II is received by and seats into the
V--V, Fig. 1; and Figs. 5, 7 and 8 are similar groove provided by the cover member. When the
views of modi?cations.
, cover then is set in place, snapping over the inter
».
The container body is suitably formed of sheet locking indentations, the body can not be pressed‘
30 metal, as tin, sheet steel and the like, and may inwardly and deformed such as. to release the 30
be closed at its lower end by a bottom which is
inter-locking indentations, this being'prevented
seam bound or otherwise suitably permanently
secured. The cover or closure for the open end,
by the reinforcing beads'l and by the receiving
‘groove “I holding the edge of the containér body
' . which is to be assembled in place after the can is
'35 filled with the goods to be packed, is similarly of
suitable sheet metal, and the can body and cover
The precisé detail of the inter-locking indenta
tions may vary! As Shown in Fig; 5, One- 0On- '35
venient form is an outwardly projecting em
are provided with coacting interlocking indenta- bossment 5 on the container body, and a mating
tions such that when the cover is ‘forced down :embossment 6 on the cover. Instead of the
into its ?nal position, it snaps into place over embossments being stamped outwardly, they may
40 the indentations. Snap fastening indentations be stamped inwardly, as shown in Fig. 6, in which 40
have been known for a long time on containers the embossment 5a is on the body, and the mating
such as tin boxes where the cover is to be snapped
’ o? in reverse movement, and the indents have
embossment 6a is on the cover, these being of
rounded contour. Instead of having a rounded
been such as to permit opening thus as easily or smoothly curved contour as in the preceding
45 as closing. The present invention departs from , forms, the embossments externally or internally 45
such prior usages by providing a construction may be of more angular contour, as shown in Fig.
which prevents such removal, and the cover can 7, in which embossment 5b is on the container
in fact be detached only by destroying the parts. and embossment 6b, is on the cover. Where the
In the packaging of many articles, it is thus pos- articles to be packed are of a character which
50 sible to ?ll the container and seal ‘it by simple will not sift out, as isthe case for instance with 60
‘ means and in the subsequent handling, shipping,
certain articles of hardware and metal which are
etc., the cover can not be temporarily removed advantageously packed and shipped as in the
for the purpose of pilfering part of the contents, present manner, it is not necessary that the inter
and in the ?nal opening the container is destroyed to such an extent as to be impossible of
locking indents be of the continuously extending
form as illustrated foregoing, but may be stamped I
2,122,904
2
cutting through at the center of their lower
margins l2, l3, Fig. 8, the relationship of the
embossments and the action on-assembly and
_ after assembly being similar.
As thus clearly understood, the containers in
unassembled condition are supplied at the point
of ?lling, and are packed with the articles to be
enclosed, whereupon the cover I‘ is pressed down
into position, the inter-locking indentations 6, 5,
10 etc., snapping together, and the end edge of the
container body seating into the cover-groove ill.
The cover is thereby positioned to remain, until
destroyed in opening.
v
Other modes of applying the principle of the
invention may be employed, change being made
as regards the details described, provided the fea
tures stated in the following claim, or the equiva
lent of such, be employed.
I therefore particularly point out and dis
tinctly claim as my invention:—
A device of the character described comprising
a container body, a cover therefor and means
for preventing intact removal 'of said cover, said
means including a reinforcing bead on said con
tainer body to prevent bending therof, said head
lying beyond and adjacent said cover when it is 10
in place; a central depression in said cover; a
narrow groove in said cover for tightly receiving
the upper edge of said container body; and a
plurality of spaced interlocking‘ indentations on
15
said container body and cover.
~
GEORGE M. AMBROSIUS.
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