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Патент USA US3051379

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Aug- 23, 1962
Filed Sept. 14, 1959
United States Patent O??ce
Patented Aug. 28, 1962
what larger than the side walls 17, 18 of bulbs 12 and 13
Robert W. Drake, Melrose, and Stuart M. Kleinfelter,
Tops?eld, Mass., assignors to Sylvania Electric Prod
ucts Inc., a corporation of Delaware
Filed Sept. 14, 1959, Ser- No. 839,694
4 Claims. (Cl. 229-39)
This invention relates to packages for electric lamps
which are to ?t into them, respectively. The side 4 has
an extending ?ap 19 which closes off the end of one of
the partioned compartments, and tab 20 folds onto the
partition, tab 20 being scored at 21 and 22 and cut to
provide a less wide end portion 23 which folds down into
the opening 15 when the bulb 12 is in place. A similar
tab 24 having portions 25, 26 extends across the end
of the other compartment on the other end of the
and for devices having the approximate shape of such 10 partition.
Each of the openings 15, 16 is in the form of a circle
Packages for such lamps have previously been of a few
general types. In one type, a four-sided box with open
ends and a corrugated interior was simply pushed snugly
over the lamp.
with a segment missing on the part nearest to the center
of the partition, the cut-outs 17 , 18 being scored to bend
on the are 27, 28 de?ning the missing segment, as shown
There was considerable waste space in 15 in FIGURE 5.
such a package, and to save space, various two-lamp pack
ages have been used in which the lamps can ?t more
closely together, the large or bulb end of one lamp being
stacked near the small or base end of the other.
However, a corrugated inner portion on the packages
was still necessary to prevent the bulb from slipping out,
unless the box was made with a center partition with a
In FIGURE 3, the lamp 12 is inserted into the package
by being pushed against the tab 20 to bend it inward and
down through the openings 15, 16. Before being con
tacted by the ‘bulb, the tab 20‘ extends at a wide angle
with ?ap 19 so that it Will be directly in the path of the
lamp bulb.
FIGURE 4 shows the shape of the tab 20, the portion
23 being shaped to ?t through the opening 15. The tabs
hole into which the side of the bulb ?tted. However, in
‘20, 24 are made ear-shaped to conform on their outer
such prior devices, it the partition were placed so that the
bulb would be held snugly, the package would be de 25 perimeter to the inner perimeter of the openings 15, 16 in
the partition.
formed somewhat and weakened by the act of placing the
What we claim is:
bulb in it.
1. A package for an electric lamp or the like, com
We have discovered that by placing a tab on the end of
prising a parallelepiped of cardboard sheet, a partition
the package, so that the insertion of the bulb would auto
matically push the tab into a hole in the partition, a self 30 down the middle of said parallelepiped, said partition
having two partially cut-out ?aps therein capable of being
locking action is obtained which holds the bulbs ?rmly
folded in a direction away from said partition, a ?ap for
in the container, even though the hole in the partition is
closing an end of one of the compartments formed by
considerably larger than the bulb. The self-locking tab
the partition, said last-mentioned ?ap having a tab extend
strengthens the package, and is easily adapted to auto
matic packaging operations, for the mere insertion of the 35 ing part way across the end of the other compartment
when not folded back, and being foldable back onto
bulb automatically sets the tube in position. The package
said partition and into said out out portion.
is especially strengthened if the tab extends from the end
2. The package of claim 1, in which the ?ap is wider
of a ?ap which closes one end of the other partition when
than the tab.
the tab is pushed in and held down by the bulb.
3. The package of claim 1, ‘in which the ?ap is wider
Other objects, advantages and features of the invention 40
than the tab and in which the tab is ear-shaped to ?t into
will be apparent from the following speci?cation, taken in
conjunction with the accompanying drawing, in which:
FIGURE 1 is a perspective view of the package with
the opening in the partition.
4. A folding paper light bulb package comprising a
rectangular sleeve having a partition parallel to two op
FIGURE 2 is a pro?le sectional View showing the 45 posite walls of the sleeve and dividing the sleeve into two
the lamps inside;
lamps and tabs in position;
FIGURE 3 is a sectional view of the progress of the
lamp into the package;
FIGURE 4 is a view of the folded portion of the tab;
FIGURE 5 is a view showing a section of the package
with a lamp in phantom, the view being taken perpen
dicularly to FIGURE 2.
compartments, the said partition having bulb receiving
apertures spaced from each other and from the ends of
the partition, for accommodating and holding a pair of
bulbs in position in the said compartments, and an end
closure, comprising ‘an end panel hingedly joined to one
of the said opposite walls and foldable so as to close the
adjacent compartment end and lie in supported relation
to the partition, the said end panel having a ?ap extend
ing beyond the said partition and bendable down against
In FIGURE 1, the package 1 has the cardboard sides 2,
3, 4 and 5, formed by folding a cardboard piece into the 55. the same in position to be held thereagainst by a bulb in
serted in the other said compartment.
form of a parallelepiped the ends 6, 7 of which overlap
each other slightly and are glued together. The side 4 is
References Cited in the ?le of this patent
not shown in FIGURE 1 but is shown sectionally in FIG
URE 2. A partition 8 extends down the middle of the
package and has small ?aps 9 along its sides, the ?aps 9 60 2,067,126
Knau-r ________________ __ Ian. 5, 1937
being glued to the inside walls of the package to hold the
partition 8 in place. The partition has two partially cut
out tabs 10, ‘11, which can be bent out by the insertion of
bulbs 12, 13 to form openings 15, 16, which are some
Great Britain _________ __ Sept. 11, 1913
Great Britain _________ __ May 13, 1920
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