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Патент USA US2125042

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July 26, 1938.
'
2,125,042
s. BERGSTEIN
-
EGG
CONTAINER
‘
Filed March 8, 1954
3 Sheets-Sheet l
INVENTOR.
‘ATTORNEYS.
July 26, 1938.
2,125,042
s. BERGSTEIN
EGG CONTAINER
Filéd March 8, 1934
3 Sheets-Sheet 2
I61 4
‘17212.5.
[51.
)4/3/5
In; 6'.
v5
‘,5
//0
INVENTOR.
6272,;
M
July 26, ‘1938.,
s_ BERGsTEm
‘2,125,042
EGG CONTAINER
Filed March 8, 1954
3 Sheets-Sheet 3
ATTORNEYS.
Patented July 26, 1938
‘2,125,042
UNITED ' STATES PATENT OFFICE ‘
2,125,042
EGG CONTAINER
Samuel Bergstein, Cincinnati, Ohio, assignor to
Edna May Bergstein and Robert Morris Berg
stein, trustees
Application March 8, 1934, Serial No. 714,?78
5 Claims. (Cl. 229-—29)
My invention relates to cartons which are made
‘up and stored and shipped in knocked down,
partially assembled condition. The particular
application of my invention illustrated herein is
5 to cartons for packing and shipping eggs. This
carton is of the type comprising a holder for
eggs, wherein the eggs are heldin two rows longi
tudinally of the holder, with an inverted chan
nel opening at the lower side of the holder be
MD tween the two rows of egg compartments, and
an outer enclosure, which is the particular sub
ject of my invention, the inner compartment egg
holder not being original with-me, nor a part
of this invention, except as a cooperating element
M with the novel exterior structure.
means formed on its bottom which will extend
up into the inverted channel opening at the bot
tom of the inner egg container to prevent the
inner container from sliding out through either
end of the outer container. This provision how
ever, is optional, and I am not to be understood
as limited to it.
totally unfolded condition, with the cuts and
scores, and its areas to which adhesive is ap
plied, indicated.
.
A more particular object, independent of the
object just stated, is the provision of the con
tainer in its original partially assembled and
knocked-down condition in the form of a tube
‘ ' with four walls, the narrow walls constituting side
walls and the wide walls being the top and bot
tom walls, the top wall having an extension such
extension being provided, with a middle portion
- to act‘ as a tuck, to permit the top being opened
and reclosed, and the two opposite end portions
of the top .wall and the middle portion being
’ detachable and fastened to one of the side walls,
to retain the tubular condition of the container.
Other and more particular objects will appear
in the course ‘of the following description illus
trated by the accompanying drawings, in which
Figure l is a perspective view of a container
embodying my invention, with the partially de
50 tached cover portion and its flap raised, and with
the inner egg holder partially inserted therein
'
Figure 6 is a similar view of this blank when
the portions of the blank that are to form the
top, including the cover portions and its flap and
the portions to which the adhesive is applied are
folded over on the narrower rear wall portion and
wider bottom portion, with the narrow front
extending.
One of the objects of my invention is‘ to pro
vide, in a very simple form, a knock-down con
tainer of this character which will require only
the simplest manipulation by the user to erect
20 it and make it ready for the reception of the
inner egg holder with the eggs.
A further object is to provide such a simply
constructed container of this character with
25
Figure 3 is a longitudinal vertical section on
the line 3-—3 of Figure 2.
Figure 4 is a partial bottom plan view of the
container.
Figure 5 is a plan of the blank in its initial
_
15
Figure 7 is a similar view when the narrow
front portion has been folded back over the flap
of the top forming portion, this being the com
pleted knock-down condition of the container.
Figure 8 shows a modi?ed blank having end
flaps.
Figure 9 is a partial view of same set up.
Figure 10 shows another modi?ed blank, hav
ing complete cuts instead of perforations.
Figure 11 is a partial view of same set up.
As I prefer to construct my new improved con
25
tainer, a single sheet of paper stock of the proper
weight is out to have a main rectangular part
i, from one end of which extends a narrower
?ap 2. This main part i is scored at 3, t, 5, and 30
6, the score lines being so relatively arranged that
a narrow front wall 1, a wider bottom 8, a nar
rower rear wall 9, and a wider top it,‘ succeed
each other in parallel relation, so that when the
main portion l of the blank is folded on these
score lines and these parts ‘i, 8, 9, and ID are
brought together, the parts form a tube of rec
tangular cross section.
The part l0, which is to form the top of this
tube, has, near its opposite end, lines of per
forations ll, not extending to the score lines 5
and 6 that de?ne this top part ill, but instead
having at their end parts, cuts l2 and I3 which _
incline inwardly toward the middle of the blank
in their portions nearest to the lines 5 and 6, 45
respectively. These cuts, being entirely through
the material and of considerable length, facilitate
the tearing of the middle ?ap portion M from
lateral edge portions l5 of this top I0. Out past
the score time 6 at respective corners of the part
and containing a number of eggs.
Figure 2 is a similar view of the same, with
III, are extensions it which are to adhere to the
corresponding corners of the part ‘I that forms the
front of the tube; and these parts it are severed
the inner egg holder fully inserted, and with the
cover ?ap portion in closed position.
from adjacent portions of the tucking ?ap 2
at lines ll, so that the ?ap 2 is entirely free from _
2,125,042
2
the adhering portions l5 when the assembly is
completed. The tucking ?ap 2 is preferably
tapered with its corners round, as is usual in the
formation of ?aps for cartons. In its middle,
next to the score line 6, this tucking ?ap 2 has
a cut forming alocking tongue l8 with tabs l9.
This tongue may be pressed out and when the
container is set up it will enter its tabs l9 in
slits 20 in the upper part of the front Wall 'I.
The egg holder comprises the middle down
wardly converging members 2| and the outward
members 22 slanting upward from the bottoms
eggs. This locking tongue l8 may be omitted, as
the tucking flap 2 cannot escape from the inside
of the front wall ‘I to allow opening of the carton
of the top, on account of the retention of the
middle part [4 by the marginal portions l5, still
integral with the part l4 and fastened at 16, I60.
to the front wall 1. This construction affords a
much greater security of closure than any carton
depending upon a simple cover, tucked or locked
in the same manner and ready to open if the
tuck or lock fails.
The ?ap 28, tucked up into retentive engage
ment with the egg holder, makes it difficult to .
bers being pressed to form cavities 23 each ap- ~ remove the egg holder and its contained eggs.
of these middle members 2| ; all of the four mem
15 proximately the shape of one side of an egg.
The central portion of the bottom 8 has cuts
24, each of which consists of an arc-shaped mid
dle cut, the arc-shaped cuts having their concave
side presented toward each other, and the outer
20 cuts extend from the middle curved cut-s. Fur
ther, a cut 25 joins the curved cuts axially there
to. Also, score lines 26 join the outer ends of the
diverging cuts 24, and a score line 21 extends mid
Way between the cuts 24 from one joining cut 26
25 to the other.
The result of these cuts and score lines is to
form ?aps 28, each adapted to be bent upward
from the bottom 8 on its respective score line 26,
and to partially collapse in its score ‘line 21, so
30 that its side portions diverge from this score line
toward the middle of the container; while outer
tabs29, formed by the curved parts of the cuts
24, are adapted to further bend in toward each
other in a direction toward the mid length of the
The purpose of these ?aps is to ?t
into the inverted channel between the two middle
members 2| of the egg holder after it has been
35 container.
fully inserted into the container, to prevent it
from sliding out of the container; and the tabs
40 29 are forced up between the inner exterior sur
faces of opposite egg cavities 23, as best seen in
the sectional view of Fig. 3.
Figure 6 shows the container partially formed;
the tabs I6, having had the adhesive applied to
45 them, being ready to receive the corner portions
I?a of the front wall 1 when it is folded inwardly,
as is shown in Fig. '7. In this latter condition
the container is entirely ?at, and may be stored
and shipped in a minimum of space and with a
50 minimum of expense for handling and shipping
charges.
‘
The preferred method of packing the eggs in
the container is to ?ll the egg holder with eggs
and slip it endwise into the container, after the
55 latter has been brought from its ?at, knockdown
condition to rectangular tubular shape. In
facilitating this, a light metal channel or trough
may be used to‘hold the egg holder in its set up
condition, while the eggs are being inserted in
60 the cavities 23 of the holder. Then, with this
trough alined with the tubular container, the
holder, ?lled with the eggs, may easily be slid
into the container. This allows very rapid pack
ing of the eggs.
65
‘
It will be noted that this packing does not in
volve the tearing of the middle cover part I4
from the marginal portions l5; so that the con
tainer remains sealed at its cover, avoiding the
use of any extra seal, such as has been used on
70 egg cartons of other types. The container blanks
may be printed, calling attention to this sealed
condition, with the pointers to the lines of partial
severance, and directions for opening.
The locking tongue l8 may be inserted in the
75 slits 20 either before or after the insertion of the
If this is attempted, tearing of these ?aps 28 is
almost certain; therefore, with the preformed
sealed condition of the cover, by its middle part
[4 remaining integral with the secured marginal
parts l5, and this secure retention at the bottom
by the ?aps 28, there is substantial insurance
against substitution of eggs in the container.
The opening left in the bottom of the package
by cutting out and bending up of the tongues 28
admits the ?ngers while ‘the thumb overlies the
top of the package; so that very convenient and
safe handling‘ of the package is permitted.
In the modi?cation shown in Figs. 8 and 9,
the blank is provided with side walls ‘la and 9a,
and an end closure 3| with a tucking ?ap 32 to
fold in over the side ?aps 30 after these have
been folded in, and have its tucking ?ap 32 tucked
in, as seen in Fig. 9, making a complete closure
of the ends of the package.
The tucking ?aps 32
are narrow enough not to extend in past the inner
edges of the marginal top parts l5, so that the top
opening is, not obstructed.
Another method of packing is to tear the cover
part M open, after the egg holder has been in
serted empty, and then place the eggs in the
holder through the open top, which then may be 40
closed and fastened as before described.
In the modi?cation shown in Figs. 10 and'yll,
instead of perforations along the lines H as in
the ?rst example, complete cuts Ila are formed,
continuous with the slanted cuts l2 and I3. Thus,
the middle part M is severed from the marginal
portions I5 when the blank is made.
The sealing advantage and security are not
present with this example nor with the method
of packing just above mentioned, and in either
of these cases a locking tab such as the tab l8
of the ?rst example will be more useful. This
blank with complete cuts I la will be slightly more
di?icult to work on a carton folding and gluing
machine than the blank with only weakened con
nections between the middle part l4 and the
marginal parts 15; but it will have the advantage
of economy of material, easy packing and
handling, and other advantages mentioned in re
gard to the ?rst example. Also, this package 60
may be very easily opened.
Further, it may be noted that if only very
slight junctions of the middle part l4 and mar
ginal parts 15 remain intact, as for instance
at the point 33, Figs. 10 and 11, the sealing and
security are attained, with easier opening than
in the ?rst example, as well as making the blank
just as easy to work on the folding and gluing
machine.
I
My improved construction has advantages in 70
manufacture, in that, after the blanks are cut
and creased, they are readily completed on a
standard carton gluing machine. As the blanks
are moved one by one from the hopper of this
machine, the flap or tuck panel 2 is lifted and 75
3
2,125,042
foldedinwardly, leaving the two extensions l6 its bottom to be turned up therefrom and engage
extending. It is thus possible, with untimed in a recess of the egg holder for the purpose set
mechanism and untimed glue wheel and the forth, said tab having a median longitudinal fold
carton. traveling in the direction of its length, I which permits it to bend and be crimped into a
to deposit adhesive. The middle ?ap portion recess of said egg holder.
it is folded inwardly either with the ?ap panel 2
2. A carton of tubular shape to receive a cellu
retained in folded state, or by discontinuing to lar egg holder, said carton having a tab cut 'in its
'10
hold down this panel 2, it will spring open so that
when the top portion I4 is folded over, the panel
2 will not be retained in its previously folded
state. In either case by then folding inwardly
the front wall 7, the small portions it having
the adhesive will become adhesively fastened to
this front wall.
15
‘
By my improved design, the carton is produced
with a minimum amount of material as well as the
minimum cost of production for the reason that
a substantially rectangular piece of material is al
most entirely used lacking only the small portions
20 at the corners at each side of the tucking ?ap 2;
and owing to the fact that the gluing or adhesive
fastening of the carton blank, in its folded condition can be done on a standard high speed car
ton gluing machine. Owing to the relatively
25 small size of the carton blank, it is possible to
print and cut and crease so many more units on
a sheet. The economy thus brought about added
to the excellent molded cellular egg holder which
is available on the market, makes possible a very
30 practical and economical egg container. Al
_ though I have rather speci?cally illustrated and
described a preferred example, and have shown
several examples of my invention, it will be under
stood that certain features of one example may
be used in another example and that other modi
?cations may occur; and therefore I do not wish
to be understood as being limited to the precise
disclosure herein, but what I claim as new and
desire to secure by Letters Patent is:
1. A carton of tubular shape to receive a cel
40
lular egg holder, said carton having a tab cut in
bottom to be turned up therefrom and engage in
a recess of the egg holder for the purposes set
forth, said tab having lateral projections on its 10
end to bend and make retentive engagement in
recesses of the egg holder.
_
3. A package for eggs comprising in combina
tion; a tubular sleeve, and a formed W-shaped
egg holder having pockets each adapted to receive 15
an egg, said tube having a tab in one wall thereof
bent into the tube and engaged in-the central
channel of said holder to prevent relative move
ment of the holder and tube.
-
4. A package for eggs comprising in combina 20
tion; a tubular sleeve, and a formed W-shaped
egg holder having pockets each adapted to re
_ ceive an egg, said tube having a tab with projec
tions at'its free end bent into the tube and en
gaged between adjacent pockets of said W-shaped 25
holder to retain the holder within the tube.
5. A package for eggs comprising in combina
tion; a tubular sleeve, and a formed W-shaped
egg holder having pockets each adapted to re
ceive an egg, said tube having a tab with pro 30
J'ections at its free end and a central weakened
line, said tab being bent into said tube and into
locking engagement with said W-shaped holder,
said tab being bent upon itself along said score
line to ?t into the central channel of said holder, 35
and said projections being forced into the space
between adjacent pairs of said pockets to lock
therewith and retain said holder from endwise
movement in said tube.
SAMUEL , BERGSTEIN.
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