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Патент USA US3093254

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June 11, 1963
c. w. MIDDLETON, JR, ETAL
STAND-UP BLISTER PACKAGES
Filed NOV. 2, 1961
P
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Lug
3,093,244
United States Patent 0 ' "Ice
1
3,093,244
STAND-UP BLISTER PACKAGES
3,093,244
Patented June 11, 1963
2
FIGURE 2 is a side elevational view thereof following
the laminating operation.
FIGURE 3 is a side elevational view showing the em
Carl W. Middleton, Jr., Greenwich, Conn., and Earl F.
bodiment in self-supporting relation with respect to a table
Middleton, Pleasantville, N.Y., assignors to The Warner
or other horizontal surface.
FIGURE 4 is a similar side elevational view showing
a ?rst alternate form of the embodiment.
Brothers Company, Bridgeport, Conn., a corporation of
Connecticut
Filed Nov. 2, 1961, Ser. No. 149,666
4 Claims. (Cl. 206-78)
FIGURE 5 is a similar side elevational view showing
a second alternate form of the embodiment.
In accordance with the invention, the device, generally
This invention relates generally to the ?eld of blister 10
indicated
by reference character 10, comprises broadly
packaging of the type in which a synthetic resinous blister
a base element 11 and a blister element 12.
element is sealed to a generally planar base element,
The base element 11 is preferably formed of ?brous
usually of ?brous material, in such manner as to enclose
material, as is well-known in the art, including a forward
an article of merchandise beneath the blister, to be main
surface 14 which may be coated with a thermoplastic
15
tained by the base element which forms a closure therefor.
To adapt such packaging for attractive display on a
merchandise counter or similar location, it is often de
sirable that means be provided wherein the package may
maintain itself in an erect condition, the blister element
layer (not shown), a rear surface 15, an upper edge 16,
side edges 17 and 18, and a lower edge 19. Extending
parallel to and above the lower edge 19 is a score or
crease line 20 de?ning a line having a predisposition to
the purpose of which will more fully appear.
and enclosed article facing a potential customer. While 20 bend,
The
blister element 12 includes a planar portion 12a
it is possible to provide the rear surface of the ?brous
bounded by a forward surface 21, a rear surface 22, an
upper ‘edge 23, side edges 24 and 25, and a lower edge
26. Disposed centrally of the planar portion 12a is a
blister
portion 27, which may be of conventional con
25
larger container when the blister package is packed for
?guration, interconnected with the planar portion at an
shipping. Other constructions have provided for a down
upper edge 28, side edges 29 and 30, and a lower edge
wardly extending protrusion which forms a forward sup
31. Extending transversely across the planar portion 12a
port leg while cutting away a major portion of the sealing
at the lower edge 31 is a bead 32 which, when the blister
?ange disposed rearwardly of said protrusion when the
package is vertically oriented. The principal disadvan 30 element ‘12 is laminated to the base element 11, directly
overlies the score or crease line 20.
tage with this type of structure lies in the fact that if
When employed as ‘a stand-up blister package, the now
the blister element is so distorted, wherein the cross sec
integrated planar portion 12a and base element 11 are
tion of the protrusion becomes thin, the protrusion tends
bent rearwardly along the line 20, wherein the lower sur
to collapse under load. Further, in the heat-sealing of
35 face 33 of the blister may cooperate with the bent under
the blister to the base element, the area disposed immedi
portion of the forward surface 21 as indicated in FIGURE
ately rearwardly of the protrusion cannot be sealed, with
3 in the drawing. The additional material provided by
a consequent weakening at this point. By making the
the
head 32 permits a fold along the line 20 which will
protrusion smaller, more sealing can be effected at the
retain itself without ‘difficulty, and which will not exhibit
base element, or a larger protrusion may be formed at
any tendency to return to its initial coplanar position
the expense of less sealing. The best compromise of
with respect to the remaining parts of the planar portion
these variables is normally unsatisfactory.
12a.
It is therefore ‘among the principal objects of the present
Turning now to the ?rst alternate form of the inven
invention to provide an improved stand-up blister pack
age in which the above-mentioned disadvantages have 45 tion, illustrated in FIGURE 4, parts corresponding to
those of the principal form have been designated by
been substantially eliminated.
similar reference characters with the addition of the
Another object of the invention lies in the provision of
suf?x “b.”
an improved blister package of the type described in which
In the ?rst alternate form of the invention, the bead
the cost of fabrication may be directly comparable with
32b
placed slightly above the lower edge 31b, rather
prior art devices, thereby permitting consequent wide sale, 50 than isdirectly
co-planar with it, to obtain a substantially
base element with additional bracing structure for this
purpose, such structure adds to the cost of the package,
and causes the package to occupy more space within'a
distribution and use.
equivalent result.
may be manufactured using existing packaging machinery
vention, parts corresponding to those of the principal form
have been designated by similar reference characters with
Another object of the invention lies in the provision of
an improved blister package of a stand-up type which
Turning now to the second alternate form of the in
without extensive modification thereof.
55 the addition of the suffix “c.”
A feature of the invention lies in the provision of an
The second alternate form of the invention ‘differs from
improved bead provided in the blister element of the
the principal form in the placing of the bead 32c slightly
package extending substantially coaxially with the line
below the edge 31c to also provide a similar result.
of interconnection of the lower wall of the blister with
It may thus be seen that we have invented novel and
the planar portion of the blister, to facilitate bending of
highly
useful improvements in stand-up type blister pack
the planar portion of the blister element after the same
ages, in which there has been provided structure whereby
has been laminated to a ?brous or other base element.
the lower portion of an integrated package may be bent
These objects and features, as Well as other incidental
rearwardly to cooperate with the lower surface of the
ends and advantages, Will more fully appear in the prog
ress of the following disclosure, and be pointed out in the 65 blister, wherein the package ‘may maintain itself in erect
condition without any tendency to return to its original
appended claims.
state and subsequently fall over. By the incorporation
In the drawings, to which reference will be made in
of a novel transversely extending bead in the blister ele
the speci?cation, similar reference characters have been
ment, the bending of the assembled device is materially
employed to designate corresponding parts throughout
facilitated, and the manually imparted bent condition
the several views.
70 maintained for an inde?nite period without di?iculty.
FIGURE 1 is an exploded view in perspective of an em—
We wish it to be understood that we do not consider
bodiment of the invention prior to lamination of the
the invention limited to the precise details of structure
individual elements.
3,093,244
3
shown and set forth in this speci?cation, for obvious
modi?cations will occur to those skilled in the art to which
the invention pertains.
We claim:
‘
'
1. In a blister package including a planar base element,
and a blister element having a planar portion laminated
4
and a blister element having a planar portion laminated
to said base element in hermetically sealed relation there
to, the improvement comprising: said blister element in
cluding a blister portion having a lower surface disposed
in a plane perpendicular to that of said base element,
there being an elongated beaded portion extending across
said planar portion of said blister element disposed a short
distance below the plane of said lower surface, said base
element having a predisposition to bend in the elongated
in a plane perpendicular to that of said base element, 10 area
disposed immediately below said bead.
there being an elongated beaded portion extending across
4.
In a blister package including a planar base element,
said planar portion of said blister element in the area of
and a blister element having a planar portion laminated
said lower surface, said base element having a predisposi
to said base element in hermetically sealed relation there
tion to bend in the elongated area disposed immediately
to, the improvement comprising: said blister element in
below said bead.
cluding a blister portion having a lower surface disposed
2. In a blister package including a planar base element,
in a plane perpendicular to that of said base element, there
and a blister element having a planar portion laminated
being an elongated beaded portion extending across said
to said base element in hermetically sealed relation there
planar
portion of said blister element disposed at short dis
to, the improvement comprising: said blister element in
above the plane of said lower surface, said base
cluding a blister portion having a lower surface disposed 20 tance
element having a predisposition to bend in the elongated
in a plane perpendicular to that of said base element,
area disposed immediately below said head.
there being an elongated beaded portion extending across
References Cited in the ?le of this patent
said planar portion of said blister element in the plane of
said lower surface, said base element having a predisposi~
UNITED STATES PATENTS
tion to bend in the elongated area disposed immediately 25
2,303,344
Erne ________________ _- Dec. 1, 1942
below said head.
2,950,004
Acomb ________ __- ____ __ Aug. 23, 1960
3. In a blister package including a planar base element,
to said base element in hermetically sealed relation there
to, the improvement comprising: said blister element in
eluding a blister portion having a lower surface disposed
3,018,879
Crane ________________ __ Jan. 30, 1962
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