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Патент USA US2109397

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' Feb. 22, 1938.
F. MCLAUGHUN
2,109,397 ‘
CLOSURE FOR COLLAPSIBLE TUBES AND CONTAINERS
‘Filed June 15, 1955
F95.
.' rMcLailgkTih
Patented Feb. 22, 1938
__ 2,1095%
UNITED STATES’ PATENT
OFFICE \
2,109,397
, CLOSURE ‘FOR COLLAPSIBLE TUBES
AND CONTAINERS
Frank McLaughlin, Toronto, Ontario‘, Canada,
assignor, by mesne assignments, to Douglas
Henderson, Toronto,‘ ‘:Qntario, Canada ,
Application June 13, 1935,‘ Serial no. 26,445
4 claims.” (.01. 221-60) _
of. the tube is stopped the spring returns the
Collapsible tubes and similar containers such
as used for dispensing-fluid, semi-?uid or pasty
valve to seated position.
substances, have usually heretofore been pro-'
vided ‘with. either a screw cap which is removed
5 to permit the contents .of the container to be dis
charged, or a cap having a partial rotary move
ment which in one position covers the discharge
opening and in another position exposes the lat
ter. Bothpf these types of closures are objec
10 tionable in that in the one case the cap is left
‘off by the user and in the other case the dis
20 vise a closure which’will automatically open up
rected annular recess; a valve for said central
opening; an annular plunger movable in the neck
portion above the annular shoulder; spaced legs 10
connecting said valve and plunger; an annular
?ange on said plunger extending into the recess;
and a spring in said recess normally tending to
~
'.
2. A collapsible tube or container having a neck‘ .15
portion provided with-a central opening in the
top thereof; an annular shoulder formed at the
lower end of said neck having an upwardly di
rected annular recess; a valve for said‘ central
opening; an annular plunger movable in the~
neck portion above the annular shoulder, spaced
legs connecting said valve and plunger; a pair of
spaced annular ?anges on said plunger extending
into the recess; and a spring having one end
positioned between said ?anges and its other end 25'
in said recess normally tending to move the
Fig. 1 is a vertical section of the closure;
Fig. 2 a plan view of the same, the neck portion
30 of the tube being shown in sections; and
Fig. 3 a perspective view of the valve member.
In the drawing like numerals of reference in
dicate corresponding parts in the different'fig
plunger to seat the valve.
v
3. Acollapsible tube or container having a neck
‘portion provided with a central outlet in the top
thereof; an annular shoulder formed at the lower 30
end of said neck having an outwardly directed
annular recess, an. annular plunger movable in
said recess, an inwardly movable valve carried
of a collapsible tube or container having the ex
by said plunger for controlling said outlet; and
resilient means in said recess normally tending 35
to move the plunger to seat the valve.
tension 2 at its upper end in the upper wall of
,
which extension is provided the outlet 3, normally
neck portion provided with a central outlet in
the top thereof : an annular shoulder formed at
the lower end of. said neck having van outwardly 40
ures.
,
Referring to Figs. 1 and 2, 5 indicates the top
closed by a valve member 5. '
4
move the plunger to seat the valve.
is applied tosqueeze together the walls of the
container and which will automatically, close
ous ‘constructions such as illustrated in the ac
companying drawing in which
'
40
‘
to allow the contents to escape when pressure
when the pressure on the container is relieved.
My object may be attained by means of vari
35
_
portion provided with a central opening in the
top thereof; an annular shoulder formed at the
lower end, of said neck having‘ an upwardly di
charge opening is left exposed, thus permitting
the contents of the container adjacent the dis
charge opening to dry, thus rendering the ma
15 terial un?t for use and making it di?icult to force
the dry material adjacent the outlet out of the
way to obtain the softer .and fresher material
lower down in the container.
The object of my invention is therefore to de
-
What I claim as my invention is:-'.
1. A'collapsible tube or container having a nec
The neck or extension 2 of the tube is ‘formed
with a central annular ?ange 8, forming an
annular recess between which extend spaced
annular flanges 9 on the under side of an annular
plunger ill which carries, by means of the spaced
legs ea, the valve 4. The spring 5 is positioned‘
4. A' collapsible tube or container having _ a
directed annular recess, an annular plunger mov
able in said recess, an inwardly movable valve for
controlling said outlet, means for‘maintaining
said valve in spaced relationship to the plunger,
said means being arranged to permit material to 45
between the plunger and bottom of the recess pass from the interior of the container to a
and tends to raise the plunger to seat the valve. . position above the plunger before passing to the
When the tube is squeezed the contents pass up outlet; and resilient means in said recess nor
the centre of the ?ange 8 through the central
5;, hole of the plunger and between the spaced legs
495 and exert adownward pressure on the annu
‘ lar plunger to unseat the valve. When squeezing
mally tending to move the plunger to seat the
valve.
50
FRANK McLAUGI-ILIN.
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