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Патент USA US2105202

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Jan. 11, 1938.
Filed Aug. 19, 1937
I [/‘Lue/z ions:
Z6 Roy P. R005 and
Eancés 0 1;. Kill-Grim
Patented Jan. 11, 1938
2,1052 2
2,105,202 ’
Le Roy P. Root, Brooklyn, ‘N. Y., and Francis O’L.
Killorin, Watertown, Conn, assignors to Sco
vill Manufacturing Company, Waterbury,
Conn, va corporation of Connecticut
Application August 19, 1937, Serial No. 159,894
8 Claims. (01. 221-147)
can readily be attached and detached from the
neck ofv the container as in the dispensing of
Qur invention relates to new and useful im
provements in bottle closures and liquid dis;
pensers, for ‘dispensing liquids, preferably such
liquid. The operationof this dispensing is ob
viously governed entirely by the amount of pres
liquids as have an undesirable odor, or injurious
sure exerted on the rubber diaphragm after the
:5. effect upon the person’s hands or clothing han
dling'the same, ‘since it is very effective in the
.use of such liquids without spilling the same.
dispenser has been detached from the container.
In fact, it may be used either in the form
of a dropper, or dispenser of liquids in larger
quantities; The use of the dispenser is not nec
essarily con?ned to medical solutions and disin 10
In practice this dispenser is normally applied
to a container, such for instance as a bottle,
110 preferably one having a threaded circular neck
portion to permit of the use of a threaded cap
to insure an easy and secure attachment to the
fectants, but is equally well adaptable for per
fumes, toilet water, etc.
.An object of the invention is to so construct
.15 the same as. to form a shipping seal for the con
A distinguishing feature of our present dis‘
penser is that the container to which the dis
penser is applied requires, for the operation of
;tainer .to which it may be attached and thus
require no auxiliary part for effecting a‘liquid
the dispenser, that the container be ?rst in
verted, see Fig. 1 of drawing, and then that the
itight" seal.
rubber diaphragm be compressed inwardly and
A further and important object of the inven
{20 tion. is to provide a combined bottle closure and
‘dispenser in a single unit which can conveniently
.be applied and removed from a container and
Lwhichv will be simple in construction, inexpensive
,Tto ‘manufacture, convenient, durable and serv
. ‘More ispeci?c objects of the invention will be
come apparent from a consideration of the fol
‘lowing. description taken in conjunction with the
drawing illustrating the construction and use of
,3!) the invention, and wherein:
Fig. 1 shows a perspective view of a bottle in
an inverted‘position and provided with our im
proved dispenser which is shown supported and
being operated as in the hand of an operator.
r35 .Fig. 2 shows .a slightly enlarged vertical sec
.tion of the dispenser shown in Fig. 1, applied to
the neck of a bottle and in an upright position.
Fig. 3 shows an inverted plan view of the dis
released, causing the ?uid to be sucked in and
completely fill the dispenser chamber with liquid.
After this operation the bottle is uprighted and
the dispenser removed therefrom by unscrewing
‘it, whereuponthe contents of the dispenser may
be emptied by a dropping operation or the com
plete contents discharged if desired.
In the embodiment of the invention herein
shown, Ill indicates a container in the form of
a glass bottle, which is shown supported in an
‘inverted position by the hand of an operator, in
the act of compressing the ?exible disk H of the 30
container I2 threadably attached to the neck of
the bottle. Referring to Fig. 2 wherein the bottle
neck is shown in an upright, rather than inverted
position, the several attached parts of the dis
penser are clearly illustrated in the cross section, 35
and as will be seen includes an outer threaded
rubber diaphragm shown in Fig. 2, and
shell M, an inner shell l5 and the beforementioned
rubber diaphragm l I, a washer It being employed
as‘between-the annular top edge of the neck
of the bottle, the inner wall of the attaching cap
l4 and the underside of the shouldered portion
ll of the inner member l5. The attaching shell
l4 includes a depending threaded cylindrical pore
tion l8 adapted to engage corresponding threads
l9 formed in the annular surface of the bottle 45
neck. The upper portion of this shell Hi includes
an outwardly disposed annular portion forming a
shoulder 20 upon which the annular ?ange iii of
f- Fig. '7 shows a further vertical section of a
the inner shell is seated.
penser attached to a bottle.
Fig. 4 is a detached vertical cross section of
.the'mthreaded attaching cap shown applied in
.Fig. 2 for retaining the compressible ?exible dia
phragm 'or top member in position.
' ‘
""‘Fig. 5‘shows _a,,‘similar vertical cross section
(45 of the inner metal'member of the dispenser,
“which includes
dropper, so-called.
"I Fig. 6 vis a detached vertical cross section of the
{5,0 imodi?edv form of the dispenser.
‘* The dispenser, as will be seen, is made up of
1' comparatively few parts, two metallic members,
‘a rubber diaphragm and a sealing washer. The
‘same are constructed to be easily and effectively
;:5,51assembled=to form a single operative unit which
The ribbed annular
bottom edge portion 22 of the diaphragm H is
seatedupon the flange 2| and the upwardly dis
posed edge portion 23 of the shell I4 is rolled over
the annular bead of the diaphragm and is pressed
down into any annular recess to insure a secure
attachment of the diaphragm to the shell and , 55
wardly disposed portion above its point of attach
2 .
to form an integral assembly of the several parts
of the dispenser. The inner shell I5 is shaped
to form the annular shoulder I‘! previously men
tioned on its underside and also a depending cir
cular wall portion 24 wherein the washer I6 is
seated so as to be retained within the dispenser
and to engage the annular top edge of‘ the» neck
of the bottle when the- dispenser is attached as
shown in Fig. 2. The central portion of the in
10 ner shell is drawn together, funnel-like, to pro
duce a dispensing spout 25 through, which- the
ment to the container, a ?exible diaphragm se
cured on the said annular outwardly disposed por
tion of the closure cap, an inner shell having a
depending spout and an outwardly disposed annu- 5
lar ?anged portion secured between the ?anged
portion of the cap and the ?exible diaphragm
forming a chamber, an annular shoulder sur
rounding the inner end of the spout and a spring
positioned in the chamber between the diaphragm l0
and the said annular shoulder.
dispenser chamber 26 is ?lled by the operation.
4; A liquid dispenser of the class described, for
of the diaphragm and from which the contents is
attachment to a container including a closure cap
discharged from the dispenser chamber after'it
adapted for attachment to the container and hav
has been ?lled and removed‘ from. the bottle.
7 ing an enlarged outwardly disposed portion form- 15
The modi?cation shown in Fig. '7 includes. a ing- a ?at shoulder and an annular pocket above
spring 2l' that is contained within the liquid its point of attachment to the container, a nor
chamber 26 formed within the dispenserias -be-»
tween the inner shell I5 and the diaphragm‘! I.
The upper end portion of the coiled‘spring is
centered with respect to the inner central por
tion of- the diaphragm by means of: a; lug 28
formed upon the inner side of the diaphragm and
an inner shell forming a, dropper'includlng a
lowerv depending contracted spout portion; an'inie
spring is obviously for the purpose of lending
resistance to the rubber capv and’ to prolong its
termediate- annular shoulder, a cylindrical por
tion to. engage the inner wall of the closure-cap‘,
and an outwardly disposed annular‘ ?ange post- 25
tioned between the cap and the ?exible-2 dia+
phragm, and a gasketpositioned betweencthe top
end- of the container, theclosurecap and; mean
' In the operation of the dispenser which ?rst
nular shoulder of the inner shell,
includes the ?lling of'the liquid chamber, the
a vacuum and then releasedlin a'. way tosuck the
5. A combined; bottle closure and; liquid: dropi- 30
per comprising a closure cap adapted. for attaclr+
ment to a'container and having. an enlarged-out:
wardly disposed portion above its point: of‘rati
liquid into the chamber, Thecontainer is then
uprighted and the same removed from‘ the bottle
nular shoulder and pocket, a ?exible. diaphragm 35
an annular shoulder 29~formed in the top‘ sur
face of the inner shell as shown in Fig. '7. This
mally hemispherical form of ?exible diaphragm
having, an outwardly disposed annular rib se
cured in the annular pocket of the closure cap, 20
bottle is inverted substantially as illustrated‘ in
Fig. l and the diaphragm. pressed: in order to‘form
tachment to the container and; forming‘ anaan- V
by unscrewing the dispenser, including the thread
having an outwardly disposed annular'rib; secured
ed shell, then the dispenser supported over the
in the top of the annular pocketof the closure
cap, an inner shell having a depending contracted
spout portion, an intermediate annular‘shoulder,
a‘ cylindrical portion to ?t the innerwall'rofr the '40
closure cap and anroutwardly disposedannul'ar
?ange positioned between the cap and the'?exible
diaphragm, and a gasket positionedbetweenuthe
top- end of the container, the closure. cap: and
the annular shoulder of the inner shell.
6. A combinedrbottle closure andv liquid dropper
comprising a closure cap adapted for‘ attachment
to a container and having an annular; outwardly
disposed top'portion, an inner. shell having‘a'com
tracted depending spout portion and an outwardly ‘50
object upon which the liquid is to he applied,
whereupon the operator againpressesdownupon
4-0 the diaphragm in a, manner to discharge, the
contents, in the chamber of the dispenser, the
amount of: pressure exerted upon thev diaphragm
determining whether the solution; is to be dis,
charged in drops or in larger quantities.
Having thus described our invention, what .we
claim and desire torsecure by LettersPatent is:
l. A combined bottle ,closureand liquid dropper
comprising a closure cap adapted for: attachment
to a container and having an annular outwardly
disposed top‘ portion, an inner shell having an
outwardly disposed annular ?anged; portion
disposed annular ?anged; portion seated uponrthe
seated on the outwardly disposed top portion of
the cap, a ?exible diaphragm havingan outwardly
disposed annular ?ange secured between the
?anged portions of the cap and‘ the ?angesoof
the inner shell member forming a chamber, the
said shell member' having a central depending
spout communicating with said chamber..
2. A combined bottle closure andrliquidzdropper
comprising a closure cap adapted for attachment
to-a container and having an annular outwardly
top portion of the cap, a ?exible diaphragmlhav
ing an outwardly disposed annular rib, the. an‘.
disposed portion above itspoint of attachment to
the container, a ?exible diaphragm secured on
the said annular outwardly disposed portion, of
65 the closure cap, an inner shell member'including
a cylindrical wall: to ?t the inner cylindricalwall
of the closure cap; and having an outwardly dis
posed annular ?ange portion secured between the
?anged portion of the'cap and the ?exible dia
nular ?anged portions of the cap-being: rolledin
upon‘ the annular rib of’ the diaphragm in atman- 15
ner'to secure the cap, the diaphragm, and shell
together to form, an integral unit.
7. A combined bottle closure and; liquid- drop
per comprising a closure cap adapted for detach
able engagement to a container, said cap-being in 50
the form of a cylindrical shell having-‘container
engagement means at one end and an annular
outwardly extending ?ange at its opposite end
terminating in an upstanding wall, an inner shell _
having a depending spout tube, and intermediate ‘
annular shoulder, a cylindrical portion to ?t, the
inner wall of the closure cap and an outwardly
disposed annular ?ange adapted to be superim
phragm, forming a chamber andualso having a
posed on said cap ?ange, a gasket member seated’
central depending spout communicatingwith said
against, said intermediate shoulder anda bulbous
shaped ?exible diaphragm terminating its open
end with an outwardly ?aring annu1us,,_the lat
ter.- being disposed uponsaid inner shell annular
3. A combined bottle closureand liquid drop
per comprising a closure cap adapted for attach
75 ment to a container andlhaving» an annularvout
?ange , and» adapted to. form“, ans hermetic, seal £75
therewith by having the upper portion of said
upstanding wall formed downwardly thereupon.
8. A combined bottle closure and liquid dropper
comprising a closure cap adapted for detachable
engagement to a container, said cap being in the
form" of a cylindrical shell having container en
gagement means at one end and an annular out~
wardly extending ?ange at its opposite’end ter
minating in van upstanding wall, an inner shell
10 comprising a depending spout tube merging at
its upper end into a stepped annular seat, an
intermediate annular shoulder immediately above
said seat, a cylindrical portion to fit the inner wall
of the closure cap and an outwardly disposed an
15 nular ?ange adapted to be superimposed on said
cap'?ange, a gasket member seated against said
intermediate shoulder, a bulbous shaped ?exible
diaphragm having an apical inwardly projecting
integral knob and terminating its open end with
an outwardly ?aring ribbed annulus, said annulus
being disposed upon said inner shell annular
?ange and having a hermetic seal therewith by
reason of having the upper part of said upstand
ing Wall formed tightly about said ribbed annulus,
and a coiled spring member disposed between said
stepped annular seat and said diaphragm and.
having its upper end centralized by said knob.
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