close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3038203

код для вставки
June 12, 1962
W. J. LUEDTKE ETAL
3,038,193
LIQUID DISPENSER
FiIedDec. 28, 1959
2 Sheets-'Sheet 1
@W- I
@MÍ/M
mi@
BY
ATTORNEY
June 12, 1962
„1_ L_UEDTKE ETAL
3,038,193
LIQUID DISPENSER
Filed Dec. 28, 1959
'
2 shéets--sheex 2
\
\\ I
Il‘k,
ÍNVENTOR.
Riß gATTORNEY '
nym
età ft2
Patented June I2, 1962
2
members 22 and fluid passages 13 of the inner valve
sleeve 12. The stem is fastened to dauber 19 in a posi
3,038,193
LIQUID DISPENSER
Warren I. Luedtke and Wiiiiam C. Harris, Racine, Wis.,
tion so that the distance between the looped portion of
the stem and the opening 18 is less than the distance by
which the inner and outer valve sleeves are telescoped.
This arrangement precludes the possibility of disassem
bling the valve members when the valve is opened by
pushing the dau‘ber and dauber stem toward the container.
assignors to S. C. Johnson Si Son, Inc., Racine, Wis.
Filed Dec. 28, 1959, Ser. No. $62,364
7 Claims. (Cl. 15--556)
This invention relates to a liquid dispenser. More par
ticularly, it relates to a device for dispensing liquids such
There is usually little advantage to be gained by closing
as shoe polish, water, wax emulsions, and the like with 10 the valve once it has been opened. In a modification
out the attending adverse effect which accompanies the
of the valve which does not permit closure from the ex
use of existing dispensers.
terior of the container, the valve stem 16 is not securely
A primary object of the invention is a liuid dispensing
fastened to the inner end 17 of the outer valve sleeve 15.
device in which liquids may be stored in a closed con
The dauber consists of any suitable material such as cot
tainer for an extended period of time and thereafter dis
lt0n, felt, wool, sponge rubber, synthetic foam and the
ike.
pensed in an even ñow.
Another object of the invention is a fluid dispensing
The outer valve sleeve 15, as shown in the drawings,
device in which fluids may be stored for long periods of
has internal protrusions 20 that provide a tighter fitting
time and shipped great distances without danger of clog
ging of the dispensing mechanism.
seal over a smaller area of the telescoped valve sleeves.
is in open position. FIGURE III is a vertical cross sec
the outer and inner valve sleeves are assembled in a
That is, more pressure exists between the protrusions and
A further object of the invention is a valve assembly
the corresponding outer surface of >the inner valve sleeve
for dispensing fluids for a closed container in an even
»than between any other engaged portions of the inner
lflow and without danger of clogging the mechanism.
and outer valve sleeves per unit area. Preferably, the
FIGURE I is a vertical cross section of the container
inner and outer valve sleeves will be composed of plastic,
and valve assembly of the present invention. FIGURE 25 the inner valve sleeve being softer and more resilient than
II is a Vertical cross section of a valve assembly almost
the outer valve sleeve. This permits the protrusions on
identical to that which constitutes a sub-assembly of the
the inner Ivalve sleeve to become at least partially im
dispenser disclosed in FIGURE I except that the valve
bedded in the outer wall of the inner valve sleeve when
tion of a valve assembly similar to that of FIGURE II 30 close fitting telescoped relationship. Obviously, this ar
rangement could be reversed with the protrusions posi
except -that there is circumscribed about the inner valve
sleeve an expandable washer in expanded position. FIG
tioned on the inner surface of the outer valve sleeve, the
URE IV is similar to FIGURE III except that the valve
inner Valve sleeve consisting of the softer plastic. Poly
assembly is in closed position and the expandable washer
styrene and polyethylene are examples of plastics which
is compressed. FIGURE V is a vertical cross section of
a valve assembly similar to that of FIGURE II except
_ may be used as the hard and soft plastics, polystyrene
that the fluid inlet is of a different configuration. FIG
URE VI is a vertical cross section of the valve assembly
similar to that of FIGURES II and V showing a still dif
ferent fluid inlet configuration. FIGURE VII is similar 40
to FIGURE II except that it shows protrusions extending
from the outer surface of the inner valve sleeve engaging
the inner surface of the outer valve sleeve.
In FIGURE I a bottle or other container 1 has neck
being the harder of the two. Any combination of mold
able plastic or malleable metal may be used for the valve
sleeves, however. A substantially better seal is achieved
when the protrusions are present and the composition of
the surface of the opposed sleeve is of a softer, more
resilient material regardless of its chemical composition.
When the valve assembly is in closed relationship as
it is in FIGURES I and IV, the fluid remains in the con
tainer I regardless of the container’s position. When the
portion 2 having external threads 3 and 4 which engage 45 container is inverted and the valve open as in FIGURE
II, the liquid flows from its position 21 through the area
over cap 5 and inner cap 6 respectively. Over cap 5
enclosed by bottle neck portion 2 through groove-like
engages the neck portion of bottle 1 in a ñuid tight rela
iiuid inlet 14, past the intermediate length of dauber
tionship by the close fit established between protruding
stern 16, and finally through opening 13 positioned around
annular shoulder 7 and the horizontal portion 8 of the
bottle neck portion 2 and by the external cylindrical sur 50 `dauber stem 16 onto the dauber 19. The same general
face of vertical'shoulder Si and the internal cylindrical
fiow is established when the inner valve stem 12 is
equipped with other types of openings such as the circular
surface of neck portion 2. Likewise, a iiuid tight rela
tionship is established between over cap 5 and inner cap 6
and slot-like fluid openings shown »in FIGURES V and
by the bearing of protruding shoulder 10* upon the hori
VI. Obviously, the opening may take many other forms.
zontal surface 11 of over cap 5. Inner cap 6 is equipped f It may be rectangular, square, or in the form of a spiral
with an inner valve sleeve 12 which is at least partially
extending up the outer surface of the internal valve sleeve
hollow throughout its length. At the outer extremity of
for example. A plurality of openings may be employed.
the inner valve sleeve the hollow portion consists of a
In the dispensing of many types of fluids which con
central opening I8 and fluid openings 13 positioned there
tain solids in suspension which are readily precipitated,
about. The Huid openings are lformed by a plurality of
a tendency sometimes exists for precipitation to occur on
guide members 22 extending from the wall of the inner
sharp edges of the valve assembly. This diiiiculty may
valve sleeve to the central opening 18, the fluid openings
be accentuated when the fluid openings are extremely
13 being established between said guide members. The
small. When this occasional difficulty occurs, it is over
inner valve sleeve 12 also has fluid passage 14 connecting
come readily Iby the inclusion of a porous expandable
fluid cavity 21 of container 1 with the hollow portion of
washer such as that shown in 'FIGURES lIII and IV cir
the inner valve sleeve when the valve is in open posi
cu-mscribing `the inner valve sleeve I2. 'The washer fits
tion as shown in FIGURES II, III, V and VI. Circum
between shoulder 26 of inner valve sleeve 12 and the
scribing the inner valve sleeve 12 in a fluid tight relation
outer valve sleeve I5. This expandable washer has a
ship is an outer valve sleeve 15 which has a closed inner
great number of pores and therefore retains a substan
end 17. A dauber stem 16, shown in a plan view in all 70 tial amount of liquid for a prolonged period after wetting.
figures, is mounted in the inner end 17 of the outer valve
This characteristic keeps from clogging both the pores
sleeve 15 and extends through opening 18 past guide
of the washer itself and the adjoining fluid inlets such as
3,038,193
3
those depicted by numerals 14, 24 and 25. The Washer
is maintained in a compressed relationship when the
valve is in closed position. When the valve is in open
position, that is when the inner and outer valve sleeves
from at a point between the fluid opening and the outer
extremity of said sleeve, an outer valve sleeve circum
scribing said inner valve sleeve in fluid tight relationship
and having a closed inner end, a porous expandable
washer circumscribing said inner valve sleeve at a point
between the circumferential shoulder of the inner valve
the fluid inlet opening is exposed, the washer expands in
sleeve and the outer valve sleeve, means for securing said
a direction along the longitudinal axis of the valve sleeves
hollow inner valve sleeve to said fluid container in a fluid
and covers the exposed opening of the fluid inlet. The
tight relationship, a dauber stem extending from the closed
flow of liquid through the fluid inlet is not restricted, how
ever, since the washer is porous when in expanded posi 10 end of said outer valve sleeve through the hollow portion
of said inner valve sleeve, a fluid absorbing dauber se
tion and does not lbecome clogged. The expandable
are in a telescoped position so that all or a portion of
washer may consist of any of a wide number of materials
cured to the outer end of said dauber stem outside said
iluid container, said porous expandable washer expanding
to cover the fluid inlet of said inner valve sleeve but not
only requirement is that it be porous to ithe liquid being
dispensed and be capable of enough expansion to permit 15 restricting the llow of liquid therethrough when said valve
assembly is in open position.
coverage of the iluid inlet opening when the valve i-s in
2. A valve assembly for controlling the flow of lluid
open position.
such as cotton, wool, felt, rayon, rubber or the like. The
There exists between the inner and outer valve sleeves
a fluid tight relationship which exists until it is broken by
pressing the dauber toward the internal portion of the
bottle 1. This action moves the outer valve sleeve 15
from over a portion of the fluid inlets 14, 24 or 2‘5.
Thereafter, the liquid flows from the bottle as heretofore
described and upon the dauber each time the bottle is
inverted. There is no spring or no other means for auto
lmatically closing the valve once it is in open position.
The dispenser is designed for the purpose of maintaining
a fluid in the container in an air tight compartment dur
comprising a hollow inner valve sleeve at least partially
open throughout its length, an outer valve sleeve circum
scribing said inner valve sleeve in a fluid tight relation
ship and having a closed inner end, said inner valve sleeve
having a lluid inlet in the wall thereof and a circumferen
tial shoulder extending outwardly therefrom at a point
intermediate the lluid opening and the outer extremity of
said sleeve, a porous expandable washer circumscribing
vsaid inner valve sleeve at a point between the circum
ferential shoulder and said outer valve sleeve, a stem
extending from the closed end of said outer valve sleeve
through the hollow portion of said inner valve sleeve, said
ing storage and shipment and thereafter dispensing the
contents in an even llow with a single downward pres 30 porous expandable Washer expanding to cover the fluid
inlet of siad inner valve sleeve, but not restricting the
sure on the dauber. Preferably, the dispenser will not
flow of liquid therethrough when said valve assembly is in
be equipped with a spring or other- automatic means for
open position.
closing the valve each time pressure is removed from
3. A iluid dispensing device comprising in combination
the dauber. The absence of such closing means permits
the application of an even continuous film upon the sur
face being coated. If a closing means were present, two
pressures would be required on the dauber while using
the dispenser, one for opening the valve and maintaining
it in open position and a second for spreading the desired
film. The first would depend principally on the resistance
ofthe closing member and the second upon the spreading
characteristics of the fluid being dispensed and the surface
being coated. The chance of these pressures lbeing iden
tical would be very small. Further, the absence of an
automatic valve closure means permits air to enter when
the package is returned to its upright position after use.
This entry of air assists in freeing the lluid inlet of the
a lluid container having an opening for filling the con
tainer, a valve assembly for closing said opening corn
prising a hollow inner valve sleeve at least partially open
throughout its length and having a fluid inlet in the wall
thereof, an outer valve sleeve circumscribing said inner
valve sleeve in a fluid tight relationship and having a
closed inner end, said outer valve sleeve having a circum
ferential protrusion about its inner surface for engaging
the outer surface of the inner valve sleeve in a close
fitting relationship, said outer valve sleeve including the
circumferential protrusions being comprised of a com
position which is harder than the inner valve sleeve, the
hollow inner sleeve of said valve assembly being secured
to said fluid container in a fluid tight relationship, a
inner valve sleeve of fluid, thus reducing the possibility of
dauber stern extending from the closed end of said outer
clogging.
Preferably, the container 1 will be of the squeeze bottle 50 valve sleeve through the hollow portion of said inner
valve sleeve, a fluid absorbing dauber secured to the
type constructed from a flexible material such as spring
outer end of said dauber stem outside said lluid container,
metal, polyvinyl chloride, polyethylene, polypropylene,
said outer valve sleeve closing the iluid inlet of said
rubber or any of the other many compositions available
inner valve sleeve when moved from one position to
for fabricating containers having llexible sides. The con
another by the external manipulation of said dauber
tainer may be squeezed to force the liquid through the
stem.
neck and valve assembly onto the dauber. When pres
4. A lluid dispensing device comprising in combination
sure is removed from the sides of the container and it is
a fluid container having an opening for filling the con
returned to the upright position, air enters permitting the
tainer, a valve assembly for closing said opening com
container to breathe and its sides to return to their nor
prising a hollow inner valve sleeve at least partially open
mal configuration because the valve remains in open
throughout its length and having a lluid inlet in the wall
position. In use, an even flow of liquid onto the dauber
thereof, an outer valve sleeve circumscribing said inner
is maintained «by the application of the desired amount
valve
sleeve in a fluid tight relationship and having a
of pressure upon the `squeeze bottle.
closed inner end, said inner valve sleeve having a cir
It will be apparent to skilled persons that many modi
fications of the invention can be made by reversing the 65 cumferential protrusion about its outer surface for en
gaging the inner surface of the outer valve sleeve in a
assembly of parts, changing their configuration, etc. Such
close fitting fluid tight relationship, said inner valve sleeve
modifications are intended to be within the scope of the
including the circumferential protrusions being comprised
present invention and claims, Now having described the
of a composition which is harder lthan the outer valve
invention, what is claimed is:
l. A fluid dispensing device capable of repeated use 70 sleeve, the hollow inner sleeve of said valve assembly
being secured to said fluid container in a fluid tight rela
without clogging comprising in combination a fluid con
tionship, a dauber stern extending from the closed end of
tainer, a valve assembly comprising a hollow inner valve
said outer valve sleeve through the hollow portion of said
sleeve -at least partially open throughout its length, said
inner valve sleeve, a fluid absorbing dauber secured to
inner valve sleeve having a lluid inlet in the wall thereof
and a circumferential shoulder extending outwardly there 75 the outer end of said dauber stem outside said lluid con
5
tainer, said outer valve sleeve closing the fluid inlet of
said inner valve sleeve when moved from one position
to another by the >external manipulation of said dauber
stern.
5. A fluid dispensing device comprising in combination
a lluid container having an opening for filling the con
tainer, a spring-free valve assembly for closing said open
ing comprising a hollow inner valve sleeve at least par
6
sleeve including the circumferential protrusions being
comprised of a composition which is harder than the outer
valve sleeve, the hollow inner sleeve of said valve assem
bly being secured to said ñuid container in a fluid tight
relationship, a dauber stem extending from the closed
end of said outer valve sleeve through the hollow por
tion of said inner valve sleeve, a fluid absorbing dauber
secured to the outer end of said dauber stem outside said
tially open throughout its length and having a fluid inlet
fluid container, said outer valve sleeve closing the iluid
in the wall thereof, an outer Valve sleeve circumscribing 10 inlet of said inner valve sleeve when moved from one
said inner valve sleeve in a fluid tight relationship and
position to another by the external manipulation of said
having a closed inner end, said outer valve sleeve having
dauber stem.
a circumferential protrusion about its inner surface for
7. A valve assembly for controlling the flow of fluid
engaging the outer surface of the inner valve sleeve in
a close fitting relationship, said outer valve sleeve includ
ing the circumferential protrusions being comprised of a
composition which is harder than the inner valve sleeve,
the hollow inner sleeve of said valve assembly being se
comprising a hollow inner valve sleeve, an outer valve
sleeve circumscribing said inner valve sleeve in a fluid
tight sliding relationship and having a closed end, said
inner valve sleeve having a fluid inlet in the wall thereof
and a shoulder extending outwardly therefrom at a point
cured to said Huid container in a fluid tight relationship,
intermediate the fluid opening and the extremity of said
a dauber stem extending from the closed end of said 20 inner valve sleeve laying opposite the closed end of said
outer valve sleeve through the hollow portion of said
outer valve sleeve, a porous expandable washer circum
inner valve sleeve, a fluid absorbing dauber secured to
scribing said inner valve sleeve between the shoulder of
the outer end of said dauber ’stem outside said fluid con
said inner valve sleeve and said outer valve sleeve, said
tainer, said outer valve sleeve closing the fluid inlet of
porous expandable washer expanding to cover the ñuid
said inner valve sleeve when moved from one position 25 inlet of said inner valve sleeve, but not restricting the
to another by «the external manipulation of said dauber
stem.
6. A fluid dispensing device comprising in combination
a fluid container having an opening for ñlling the con
tainer, a spring-free valve assembly for closing said open 30
ing comprising a hollow inner valve sleeve at least par
tially open throughout its length and having a fluid inlet
in the wall thereof, an outer valve sleeve circumscribing
said inner valve sleeve in a fluid tight relationship and
having a closed inner end, said inner valve sleeve having 35
a circumferential protrusion about its outer surface for
engaging the inner surface of the outer valve sleeve in
a close ñtting fluid tight relationship, said inner valve
flow of liquid therethrough when said valve assembly is
in open position.
References Cited in the file of this patent
UNITED STATES PATENTS
193,381
2,547,881
2,670,102
Newton _____________ __ July 24, 1877
Murray _____________ __ Apr. 3, 1951
Mangano ____________ __ Feb. 23, 1954
2,673,362
Robinson ____________ __ Mar. 30, 1954
2,771,221
Hammond et al _______ __ Nov. 20, 1956
2,857,927
2,913,749
Pardee _____________ __ Oct. 28, 1958
Ayres ______________ __ Nov. 24, 1959
Документ
Категория
Без категории
Просмотров
0
Размер файла
594 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа