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March 22, 1949.
R. w. ‘HARVEY
2,465,095
SAFETY DEVICE FOR FLUID CONTAINERS
Filed DGO. 30, 1944
2 Sheets-Sheet l
,//0
INVENTQR
I
RAYMOND 'W. HARVEY
BY
ATTORNEY
March 22,1949.
R. w. HARVEY.
~
2,465,095l
SAFETY DEVICE FOR FLUID CONTAINERS
Filed Deo. 5o', 1944
ì
2 sheets-sheet 2
INVENTOR
RA Y/VÍÜ/VD W HARVEY
ATTORNEY
Patented Mar. 22, 1949
2,465,095
HTED
ATE-NT Ye.Ii-1:1613.
2,465,095
.SAFETY ,envies 1son @ein ¿19N?
Efêiymi’lid
H_Haryey, ,gingston’ßN‘ Y
iiiiiiiiceiieii iieeeiieber so, iegeserrial No, 579,59
7 @aims (C1. Vzzgniö)
1
2
nel”` end .0f seid eenieiiiei" hee eiieeiiesi iiieiïeie i-,iie
usual valve (hety .Shoßv'riì which ie @Wired b'Y ,Élie
This invention .relates to the Icontrol of iîuids
escaping from eontainers. It is esnecíaily l'con
cerned with preventing the passage into the at
mosphere of noxious lgases‘le‘all‘ä’í~lng from contain
eilie'iòiiiery Genil!
eïs in which they are stored.` As' a speciiic exam
pie of the utility of the invention, it may _be neted
that the sto'i'age of lchlorine .under pressure has
long presented a problem owing to the disastrous
`
'
`
`
'
"
inte?na'l c'r'ossèïeectioilel enea. gr'eetefrïth n tiiëiiÍöf
the pernos' of wie ieóiiieif _1er to ‘which 'it is ,to ,ne
eleiiiiei ,Seeilredid iiieleei? ei'iiee'eiii .iieepeii
„end 'isv a fieiiibieiiiembi‘erie' _of ,diáph?eei? i3 ,Qf
i‘iibfiber. rubberized 'febri'dor Other'sfiiitaiiieelâeiifc
meteen. V:ma hávi’rig‘gs, einer «seeming 1l e" @el
age of the gas into the 'presence of human beings.
A source vof such leakage is presented îb'yfzthe de
velopment of Ldefects in the’valv'es o'i‘ the bodies
of the cylinders in which the chlorine is _ste?ed
'
"
i?, of .ilrietell @wither .eliiieble materiel, „elleeed 'igt
one _end ant/110m# at ‘its ónnositefend," rid'of lan
consequences likely to arise inthe event koffleakj
and [email protected] weer sreeeiiize
"
"in ‘.cai‘ryiiis" [email protected] my invention, I prei/ide e Cep
24)'. "The diameter 'of said'¿mening4 -1s substantially
ieee than «iheief the bpfiv ,0f the centaine? i0' S0
"
.The piîesent inye'ntion‘has for. an object the pro Ais that seid flexible meipbflane .wiuadiiere tightly
vision Vof
simple yet highly eziîeßctive safety- de
to the enter' Wall ,of 'the ¿onta rief ’1,0 Wheii »Lilie
'cap' .is ~applied thereielalrid' ,Wiil‘ereete ,e pressu?e
vice for »confining gases pi* .liquidsl which> leahk'ffi ein
a container
piíevientin'g their »eîs‘calpein’to’ the
atmosphere. A further `oîqn'reict is to prei/‘1de '_,a
tight
Theb‘dñd'
_flexible
. membrane
.
, .
i3. may .he
, secured
Y .
`to the
safety device of the above noted :character ~
capA _I2 in .any'suitablè' nel eonvenient 'man i'.
ie
shall
iliebeeenieiiier
light vin by
Weight
eee eeieeiiï
and Aiieacliiy
Ífiii eiiiiiiieiiei
a` '
.Pier .eiempleè ihe?einei’ .be iireifideld ¿e itiîeidj „,
iellic >_fiaiige 1.4‘ surrounding the ¿cap “l2 ,stilts
object is the provision 4eff Ísuch la device fqnrînain
@wetend and bie-_neder .Otherwise suitably/fse
.`c_ulr.e_d thereto? land the'puter _rimport' eff ‘the
eine e .fluid-teile eine with the .centaine @y
adhesion which is :increased Jby lrise .gf pg'essú?e
Within tine .device
"ii-ie iiiveiiiien .also eeiiieiieee ,iiieiiiie .fsf feeiii
teting the exneditieus iiemoval of the device fijçm
membrane I3 may be ñ'iïrlnlyelam'ned _betvì _ en _said
rigid harige and Ian
_the container when desired. M
Other objects and advantages of Athe _invenètigìn
wiil be heijeinafterdescribed andclaimed.A
In the accompanying drawings:
' ‘ `
30
'
‘
i is a view in lelevation yshowing _a >safety
device embodying `my invention applied Vto- aleen
ventionai container `foi' the storage end_t?ans
portaticn of fluid under pressure. " ' "
Fig. 2 ‘is a" sìmila? View, taken at right angles
@Figli
,
Fig. Sis a view'in longitudinal section _thrqug‘h
the Inpper portion of _the safety ,device .as'vap'nlied
to `the container,
'
40
A
Fig. ¿i is a view _similarto Fig. 3 showing _the urp
pe'rtion of thedevice when ijemovved frfom Vthe
container.
"
'
`
`
"
`
¿ri-ie. 5 is a View similar to Fig._3, butvillustrating 45
>‘the insertion of means for facilitating the 'removal
of the safety-_device >freni the container.
Fig. e is a v_iew yin transverse section, taken "en
line ë-ü of Fig. 5.
`
Figs. 7 and 8' are detail views of certain modín- _f
cations.
Referring to the drawings, there is shown at
.ie .e eoiiveiiiieiiei .eeiiieiiier ef leeneieiiyîeiëiiii
_djf'ical l shape,_ _onstomaijily used Yfor the .s'tq?agefand
iieiieperiiiieefeiiieiîiiieiiiideriireeeiiiíe- [email protected] .55
inulàrA ‘.Ölatfe "íìßth
2,465,095
3
Thereupon, the attendant may complete the op
eration by pushing or kicking the plate ZI, with
the result that the cap I2 is brought into its
position shown in Figs. l, 2 and 3, and the bottom
piece I9 of the yoke is engaged with the lower
one attendant without tools and, when applied,
is maintained in tightly sealed condition through
the engagement of the flexible membrance I3
with one end portion of the container and the
yoke plate I9 with the opposite end. When re
end of the container I0. The flexible membrane
I3 now engages the container I0 in a Zone of
moval of the cap I2 is desired, the shoes 22 pro
vide a simple and effective means whereby the
substantial width, extending around the con
tainer, and with an especially tight and leakproof
tainer I0 may be broken.
gas-tight seal between the membrane I3 and con
It will be apparent
that, while I have illustrated the cap I2 as ap
fit. Any gas leaking through the cap I I, or from
plied to the upper end of the container, said cap
any part of the container I0 above the membrane
may instead, if desired, be applied to the lower
I3 is thus imprisoned within the cap I2. Through
end, in which event the yoke plate I9 is engaged
the engagement of the yoke piece I9 with the
with the container cap II. The cap I2 may be
bottom of the container III, the cap I2 is pre
vented from receding from the position to which 15 readily applied to either end of the container I0
whether the latter be in horizontal, vertical, or
it has been placed, and the seal between the
other position. The device may further be ap
membrane I3 and the container I0 is main
plied to either end of a container not equipped
tained with undiminished tightness.
with shipping cap II, and also when the con
So tight is this seal in practice that I have
found it necessary to devise special means for 20 tainer valve (not shown) is fitted with the
customary auxiliary valve or connected piping
removing the cap from the container. For that
to the user’s processes, if such connecting piping
purpose, I provide a pair of shoes 22, ‘l2 (Figs.
be severed or confined to an area which may be
5 and 6) each comprising a semi-cylindrical piece
encased within cap I2.
of sheet metal rigidly attached, as by brazing, to
The terms and expressions which I have em
a curved bar 23 of rectangular cross-section. This 25
ployed are used as terms of description and not
bar serves both as a support for the sheet metal
of limitation, and I have no intention, in the use
portion of the shoe and also to provide a shoulder
of such terms and expressions, of excluding any
against which to drive the sheet metal portion
equivalents of the features shown and described
between the flexible membrane I3 and the wall
of the container III. The sheet metal section of 30 or portions thereof, but recognize that various
modifications are possible within the scope of the
the shoe is crimped, as illustrated at 22’ to facili
invention claimed.
tate entry of the shoe between the membrane and
I claim:
the container wall.
1. Apparatus for confining ñuids escaping from
It will be noted that the opening in the annular
, a container, said apparatus comprising a cap
plate I5 is of such diameter as to provide suf
having a flexible membrane sealed thereto and
?lcient space for the entry of the shoes 22 between
extending inwardly of said cap, said membrane
said plate and the container wall. When the
having an opening therein of substantially less
shoes are driven upwardly between the mem
area than the cross-sectional area of said con
brane I3 and the container IB, as illustrated in
Figs. 5 and 6, they break the adhesive seal be 40 tainer whereby said membrane surrounds the
container and adherently engages the same over
tween said membrane and container; so that the
a substantial zone on the container body when
cap I2 may now be removed by ñrst drawing the
the cap is applied, a yoke comprising a pair of
yoke to the left (Fig. 2), disengaging the yoke
arms connected with said cap, a plate extending
plate I9 from the container, and then pushing
between the ends of said arms opposite said cap,
the yoke and cap upwardly.
said arms being of such length that when said
In Figs. 'l and 8, I have illustrated alternative
cap is pushed over an end of said container said
arrangements for obtaining a pressure-tight seal
plate is adjacent the other end of the container
between the cap I2 and the flexible membrane I3.
in position for being pushed into engagement with
As shown in Fig. '7, the lower end portion of the
said other end.
cap I2 may be flared outwardly at I2’ and then
2. Apparatus for confining fluids escaping from
extended inwardly to provide a flange I2” for
a container, said apparatus comprising a cap
receiving the membrane I3. The latter may be
having a ñexible membrane sealed thereto and
clamped between said flange I2” and an annular
extending inwardly of said cap, said membrane
plate 25 by screws 26.
having an opening therein of substantially less
In Fig. 8 the lower end portion of the cap is
area than the cross-sectional area of said con
bent outwardly to form a ñange 21; and the
tainer whereby said membrane surrounds the
membrane I3 is clamped between said ñange and
container and adherently engages the same over
an annular bar 28 of angular cross-section,
a substantial zone on the container body when
through screws 29.
The cap I2 may be provided with a suitable 60 the cap is applied, a yoke comprising a pair of
arms connected with said cap, a plate extending
valve, as indicated at 30, for relieving pressure
between the ends of said arms opposite said cap,
Within the cap when desired. The valve 30
said arms being of such length that when said
should, 'of course, be open during the applying
cap is pushed over an end of said container said
of the cap to the container. Said valve may be
plate is adjacent the other end of the container
of well-known construction, comprising a body
in position for being pushed into engagement with
member 3| having screw threaded engagement in
said other end, a kick-plate extending part way
the valve casing and normally obstructing pas
between the first-mentioned plate and said cap,
sage to the outlet 32. The body member 3l has
and means for connecting said kick-plate to said
a stem 3l’ extending outside the valve casing for
70 yoke arms.
operation by a suitable wrench.
3. Apparatus for confining fluids escaping from
It will be seen that my invention provides a
a container, said apparatus comprising a cap hav
safety-device of simple construction for effec
ing a flexible membrane sealed thereto and ex
tively preventing the escape of noxious gases
tending inwardly of said cap, said membrane
from the container to the atmosphere. The de
vice may be quickly applied to the container by 75 having an opening therein of substantially less
2,465,095
5
6
area than the cross-sectional area of said con
t-ainer whereby said membrane surrounds the con
tainer and adherently engages the same over a
substantial zone on the container body when the
cap is applied, a yoke comprising a pair of arms
6. In combination, a ñuid container, a cap hav
ing a ñexible membrane sealed thereto and ex
tending inwardly of said cap, said cap being fitted
over- an end of said container, said membrane
having an opening therein of substantially less
connected with said cap, a plate extending be
tween the ends of said arms opposite said cap,
said arms being of such length that when said
cap is pushed over an end of said container said
tainer whereby said membrane surrounds said
with said other end, a kick-plate extending part
way between the first-mentioned plate and said
cap, and means for connecting said kick-plate
slidably engaging said other end of said container,
area than the cross-sectional area of said con
container and adherently engages the same over
a substantial Zone on the container body, a yoke
plate is adjacent the other end of the container 10 comprising a pair of arms connected with said
in position for being pushed into engagement
cap and extending to the other end of said con
to said yoke arms, said kick-plate connecting
means extending between said arms at only one
side thereof, the space between said yoke arms
being open at the other side to enable the yoke
arms and ñrst-mentioned plate to be applied to
the container by a force applied to said kick 20
plate.
4. Apparatus for conñning fluids escaping from
tainer, an end plate connected to said arms and
and a kick-plate connected to Said arms between
the ends thereof.
7. In combination, a iiuid container, .a cap hav
ing a ñexible membrane sealed thereto and ex
tending inwardly of said cap, said cap being ñtted
over an end of said container, said membrane
having an opening therein of substantially less
area than the cross-sectional area of said con
tainer whereby said membrane surrounds said
a container, said apparatus comprising a cap hav
container and adherently engages the same over
ing a flexible membrane sealed thereto and ex
a substantial Zone on the container body. a yoke
tending inwardly of said cap, said membrane hav 25 comprising a pair of arms connected with said
ing an opening therein of substantially less area
cap and extending to the other end of said con
than the cross-sectional area of said container
tainer, an end plate connected to said arms and
whereby said membrane surrounds the container
slidably engaging said other end of said con
and adherently engages the same over a substan
tainer, a kick plate extending part way between
tial zone on the container body when the cap 30 said end plate and said cap, and means connect
is applied, a yoke comprising a pair of arms
ing said kick-plate to said yoke arms, said kick
connected with said cap, a plate extending be
plate connecting means extending between said
tween the ends of said arms opposite said cap
arms at only one side thereof, the space between
and rigidly secured to said arms, said arms being
said yoke arms being open at the other side to
of such length that when said cap is pushed down
enable said yoke arms and end plate to be ap
over an end of said container said plate is ad
plied to the container by a force applied to said
jacent the other end of the container in position
kick-plate.
for being pushed into engagement with said other
RAYMOND W. HARVEY.
end.
5. Apparatus for confining fluids escaping from 40
CITED
a container, said apparatus comprising a cap hav
The following references are of record in the
ing a ilexible membrane sealed thereto and ex
iile of this patent:
tending inwardly of said cap, said membrane hav
ing an opening therein of substantially less area
UNITED STATES PATENTS
than the cross-sectional area of said container 45 Number
Name
Date
whereby said membrane surrounds the container
215,852
Williams
et
al.
____
May
27, 1879
and adherently engages the same over a substan
470,531
Aimes, Jr. ________ __ Mar. 8, 1892
tial zone on the container body when the cap is
650,944
Marble ___________ __ June 5, 1900
applied, a yoke comprising a pair of arms con
Haslup ___________ __ Aug. 31, 1915
nected with said cap, a plate extending between 50 1,151,875
1,528,299
Mezzo ___________ __ Mar. 3, 1925
the ends of said arms opposite said cap and rigidly
1,711,176
Moore __________ __ Apr. 30, 1929
secured to said arms, said arms being of such
1,714,360
Golladay ________ __ May 21, 1929
length that when said cap is pushed down over
1,779,060
Choate __________ __ Oct. 21, 1930
an end of said container said bottom plate is
1,825,348
adjacent th-e other end of the container in posi
1,904,091
tion for being pushed into engagement with said
2,094,889
other end, a kick-plate extending part way be
2,307,884
tween the inst-mentioned plate and said cap,
2,328,433
and means for connecting said kick-plate to said
yoke arms, said kick-plate connecting-means ex 60 2,339,827
tending between said arms at only one side
thereof, the space between said yoke arms being
Number
open at the other side to enable the yoke arms and
81,050
first-mentioned plate to be applied to the con
tainer by a force applied to said kick-plate.
Gurnsey ________ __ Sept. 29,
Shoop ____________ __ Apr. 18,
Hooper __________ __ Oct. 5,
Greenwood _____ __ Jan. 12,
Dyer ___________ __ Aug. 31,
White ___________ __ Jan. 25,
1931
1933
1937
1943
1943
1944
FOREIGN PATENTS
Country
Date
Germany ________ __ Oct. 7, 1894
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