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Патент USA US3065908

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NOV- 27, 1962
J. M. DAUGHERTY
3,065,898
COLLAPSIBLE TUBE
Filed 001:. 3, 1960
11'
I
INVENTOR.
J01?” M. DAM/I587)’
BY
ATTOR/VEKS
I
United States Patent 0 "
3,%5,$98
Patented Nov. 27, 1962
1
menses
COLLAPSIBLE TUBE
John M. Daugherty, 667 Nevada Ave, San Mateo, Calif.
Filed Oct. 3, 1960, Ser. No. 59,909
3 Claims. (Cl. 229-53)
This invention relates to a collapsible tube and more
2
ladder-like structure shown in FIGURE 5. Here the
center member has side members 21 and 23 connected
by a series of cross members 25. The members 21 and
23 would be attached to the interior of the gussets as
has heretofore been described leaving the center member
25 between the two gussets preventing the two gussets
from spreading outwardly.
particularly relates to a collapsible tube having ?at sidev
walls which fold easily and neatly as the contents of the
The top of the tube is provided with a top member 27
which can be fastened to the tube proper by means well
tube are used.
10 known to those skilled in the art. This member ter
Collapsible tubes are used as containers for many
minates in a threaded portion 29 for receiving a cap 31.
products such as toothpaste, shaving cream, alimentary
The bottom of the tube can be closed merely by bring
pastes, adhesives and a variety of other products. It has
ing the two walls 7 and v8 together and folding them over
heretofore been the practice to make such tubes of a
each other as is shown in FIGURE 1 at 33. Other
round cross section. It is not easy to discharge the con 15 bottom closing means can be used such as by folding the
tents of such tubes nor is it easy to roll up the end and
members in such a way as to provide ‘a satchel or flat
keep the tube neat at all times as well as discharge the
bottom.
entire contents of the tube. Further, since the surface
In FIGURE 2 there is shown the manner in which the
of the tube is round, the display value of the tube is
tube can be folded as the contents are discharged. The
lessened because of the rounded surface on which the 20 sides 7 and 8 are preferably provided with score lines
message must be printed.
respectively 35 and 37. These score lines are spaced at
According to the present invention, a tube is provided
convenient intervals on the tube. In this way the tube
having ?at side walls connected by gussets, the ?at side
can be folded in zigzag fashion as the contents are used
walls preferably having score lines thereon whereby the
as is shown in FIGURE 2.
tube can be folded neatly upon the score lines. Since the 25
It is believed apparent from the foregoing that I have
sides of the tube are ?at, the tube can be easily stacked.
provided a tube for the discharging and dispensing of
Further, because of the ?at sides the tube itself has good
semi-solid commodities which is convenient to use, which
display properties so that it is frequently not necessary
has good display space on the sides thereof, which stacks
to employ a box as a container for the tube as is fre
readily ‘and which retains a neat appearance until the
quently done with many products. The score lines on 30 entire contents of the tube are discharged.
opposite sides of the tube enable one to fold the tube
I claim:
so that the entire contents are discharged and so that the
1. A container for packaging semi-solid material
tube retains a neat appearance until its contents are
completely used up.
The tube of the present invention can be made of many
materials and thicknesses.
For instance, the tube can
be made of lead or aluminum foil which may be annealed
to give any desired properties. The tube can be made
of plastic'or it can be made of a laminated construction
material such as paper coated with foil or plastic. Vari 40
ous end closures can be used. The end closures shown
are for illustrative purposes.
In accordance with one embodiment of the present in
vention, a tube is provided wherein the interior of the
tube is divided into two compartments so that two differ 45
ent materials can be contained within the tube and will
mix with each other just prior to being dispensed.
In the drawings forming part of this application:
FIGURE 1 is a perspective view of a tube embodying
the present invention.
FIGURE 2 is a partial side view of a tube made in
accordance with the present invention.
FIGURE 3 is a sectional view on the lines 3——3 of
FIGURE 1.
FIGURE 4 is a sectional view on the lines 4-4 of
FIGURE 3 with certain parts cut away for clarity.
FIGURE 5 is a front view of an alternate form of
separator strip used within the tube.
Referring now to the drawings by reference characters,
there is shown a tube having a front wall 7 and a back
wall 8, the front and back walls being interconnected on
each side by the members 9 and 11 which are folded
inwardly as is shown to form gussets. This folding is
doneon center lines 13 ‘and 15. The center fold lines 13
and 15 are interconnected by -a member which prevents
the gussets from spreading outwardly as the tube is filled‘
and used. This member may take the form of a solid
sheet of material 17, such as cellulose tape which is
fastened to the interior of the gussets with a suitable 70
adhesive 19. Instead of using a solid strip of material,
one can use disconnected cross members or can use the
comprising:
(a) a pair of ?at, spaced, rectangular side walls
mounted in parallel planes, each of said side walls
having two parallel relatively long longitudinal
edges;
(b) a pair of gussets extending between each of the
said walls, each gusset being integral with a longi
tudinal edge of each wall throughout the entire
length of the said wall;
(c) central fold lines extending the entire length of
each gusset and extending parallel to each of the
said wall longitudinal edges;
(d) bridging means within said container secured to
both gussets at the fold lines thereof, said bridging
means securing said gussets together along the central
fold line thereof and an inner portion of each of
said gussets and being of such a span that said gus
sets are folded inwardly toward one another and
held closer together than the distance between each
pair of longitudinal edges of each side wall;
(e) and spaced parallel score lines running transversely
of each of said walls between the longitudinal edges
of each wall to facilitate folding portions of each
Wall upon one another in accordion fashion.
2. A container for packaging semi-solid material
comprising:
(a) a pair of ?at, spaced, rectangular side walls
mounted in parallel planes, each of said side walls
having two parallel relatively long longitudinal
edges;
'
(b) a pair of gussets extending between each of the
said Walls, each gusset being integral with a longi
tudinal edge of each wall throughout the entire
length of the said wall;
(c) central fold lines extending the entire length of
each gusset and extending parallel to each of the
said wall longitudinal edges;
(d) and bridging means within said container secured
to both gussets at the fold lines thereof, said bridg
3,065,898
4
E
\
ing means securing said gussets together along a
central fold line thereof and an inner portion of each
of said gussets and being of such a span that said
gnlssets are folded inwardly toward one another and
held closer together than the distance between each 5
pair of longitudinal edges of each side wall.
3. The structure of claim 2 wherein said bridging
means consists of a plurality of ?exible elements spaced
longitudinally within the said container whereby the con
tents of the container may pass freely throughout all 10
portions thereof.
References Cited in the ?le of this patent
UNlTED STATES FATENTS
1,894,115
1,975,404
2,169,173
2,550,520
2,771,724
Westin ______________ __ Aug. 8,
Bennett _____________ __ Apr. 24,
Hosier et a1. __________ __ Nov. 27,
383,281
Great Britain __________ __ Oct. 31,
Murphy ____________ __ Jan.
10,
Prucha ______________ __ Oct. 2,
1933
1934
1939
1951
1956
FOREIGN PATENTS
1932
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