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Патент USA US3073481

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Jan. 15, 1963
P, R, HAYES
3,073,471
CLOSURE DEVICE FOR SEALED PACKAGES
Filed March 17, 1960
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Pefer' ?f Hayes
BY
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ATTORNEYr
United States Patent ‘0 ” rice
3,073,471
Patented Jan. 15, 1953
1
2
3,073,471
for any embossed design that may be desired for decora
tion or identi?cation, and the line of weakening is at
CLOSURE DEVICE FOR SEALED PACKAGES
the inner margin of this portion. The depending skirt
Peter R. Hayes, Richmond, Ind., assignor to Aluminum
14 of the cap is straight, as shown in FIG. 1, and upon
Company of America, Pittsburgh, Pa., a corporation
5 application to the container 10‘ its lower edge is turned
of Pennsylvania
beneath a shoulder 18 thereon as shown in FIG. 3. When
Filed Mar. 17, 1960, Ser. No. 15,635
so applied, the central embossment overlies the diaphragm
3 Claims. (Cl. 215-46)
12.
This invention relates to closure devices and more par
In practice, the closure cap may be supplied sepa
rately or in combination with the resilient sealing member,
\
ticularly to closure devices for sealed sterile packages. 10 as required by the packager.
In using the sealed package, downward pressure upon
Packages for sterile solutions usually include a resilient
the central embossment, applied with the thumb of the
container sealing member having a diaphragm that can
hand holding the package, will cause the material of the
be pierced by a needle, and a protective cover cap at least
a portion of which can be torn or cut away to expose
cap to fracture at the weakened line.
The embossment
the diaphragm for insertion of the needle. Since these 16 is thus severed from the top and will fall away, or can
be removed by the same thumb to expose the diaphragm.
sterile solutions frequently are used in emergencies, the
Since the embossment must be completely removed to
manual facility with which the diaphragm can be exposed
expose the diaphragm, the weakened line must be sub
is of greatest importance. With the cover caps known
stantially continuous, and while the resilient sealing mem
prior to my invention, the container is held in one hand
while the cap is torn or cut with .the other, so that the 20 ber gives support beneath the weakened line to minimize
the possibility of accidental fracture prior to use, it yields
step of exposing the diaphragm is a two~handed operation
su?iciently to assure fracture upon the application of
which must be completed before the user can take up the
thumb pressure. The facility of this procedure, leaving
needle for insertion or proceed to sterilize the diaphragm
one of the user’s hands free for other manipulations
prior to inserting the needle, as is usually required, par
ticularly when the cap is of one of the prior art types 26 incidental to the use of sterile packages, as compared to
having openings therethrough de?ning the portion to be
torn away. Moreover, the cutting or tearing of the
those requiring two hands for uncovering the diaphragm,
will be obvious.
Modi?cations of the cover cap construction contem
known cover caps leaves exposed sharp edges which may
plated within the scope of my invention include those
cut the ?ngers, and this is particularly hazardous for
80 in which the skirt is secured to the container by known
diabetics who use sterile packages frequently.
It is an object of the invention to provide a sterile
package with an improved closure device. It is a more
particular object to provide a closure for sterile packages
characterized by greater facility in exposing the diaphragm
than is afforded by the devices known in the art.
means other than reforming its edge under a shoulder
as shown and those in which the top of the cap has a
double or stepped embossment to accommodate a particu
lar form of sealing member, which might be provided
Still 35 to achieve distinction in design or to meet any other pur
more particularly, it is an object to provide a cover cap
with means to remove a portion thereof with the hand
pose related to the packager’s requirements and suitable
to the use of the sealed package. These and other modi—
?cations embodying, my invention to facilitate the expo
sure of the diaphragm area o? the sealing member and
that holds the container leaving the other hand free for
use of the package in a single swift and easy manipula
tion. It is a further object to provide for such removal 40 the use of a sealed package for its intended purpose are
contemplated within the scope of the appended claims.
of part of the cap and exposure of the diaphragm with_
I claim:
out leaving exposed sharp edges to cut the ?ngers.
1. A closure device comprising a cap and a resilient
These and other objects and the advantages of the
sealing member therewithin, said cap comprising an im
invention will appear from the following description, ref
erence being had to the accompanying drawings, in which: 45 perforate top and a depending skirt, said top including
an upwardly extending vertical walled central embossment
FIG. 1 is a vertical cross sectional view taken diametri
and a substantially ?at portion immediately around the
cally of a closure cap made according to my invention;
central embossment and extending to the skirt, the mate
FIG. 2 is a partial vertical cross sectional view on an,
rial of the cap being weakened on a continuous line at
enlarged scale taken in the region of the base of the cen
50 the inner margin of the ?at portion, and said sealing
tral embossment shown in FIG. 1; and
member having a portion resiliently supporting the top
FIGv 3 is an elevational view partially in cross section
at said weakened line and a central pierceable diaphragm.
showing a sealed package embodying the closure of FIG. 1.
2. A sealed package comprising a container for sterile
The container 10 of a sealed package according to my
contents
and a closure device comprising a cap and a
invention may be of any conventional type and the resil 55
resilient sealing member therewithin, said cap comprising
ient sealing member 11 may be of any type having a
an imperforate top and a depending skirt, said top in
pierceable diaphragm 12.
cluding an upwardly extending vertical Walled emboss
The closure cap is made of any suitable material, such ~
ment, the material of the cap being weakened on a con
as metal and comprises a top 13 and a depending skirt
tinuous line immediately around the embossment, and
14 and a central embossment 15 which, in the form shown, 60 said resilient sealing member having a portion in resilient
has a ?at top 16. The material of the cap immediately
supporting contact with the top at said weakened line
surrounding the embossment is weakened on the line 17.
and a pierceable diaphragm beneath the embossment.
In the preferred form, the portion of the top 13 between
the skirt and the embossment is substantially ?at, except
3. A sealed package comprising a container for sterile
contents and a closure device comprising a cap and a
3,073,471
3
4
resilient sealing member therewithin, said cap compris
bossment can be removed by severance at the weakened
line to expose the diaphragm by pressure of the thumb
of the hand holding the package.
ing an imperforate top and 21 depending skirt, said top
including an upwardly extending vertical Walled central
embossment and a substantially ?at portion immediately
around the central embossment, the material of the cap 5
being weakened on a line extending entirely around the
embossment at the inner margin of the ?at portion, and
said resilient sealing member having a portion in resilient
supporting contact with the top at said weakened line
and a central, pierceable diaphragm, whereby the em- 10
References Cited in the ?le of this patent
UNITED STATES PATENTS
1,714,996
Westerbeck ___________ __ May 28, 1929
2387955
2,789,718
Tilson ________________ __ Oct. 30, 1945
Bowmann ____________ __ Apr. 23,-1957
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