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Патент USA US2407435

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Sept. 10, 1946a
J. F. MARKLEY
. 2,407,434
CAN PUNCH AND CLOSURE
Filed Oct. 28, 1943
F29 .5.
24
1J0
26'
28
22'
FL .2.
WITNESSES.
IN VEN TOR.
Jbsep/z
BY
F. Jilizrh‘ley
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@ééajékmré.
2,407,434
Patented Sept. 10, 1946
UNITED STATES PATENT OFFICE
2,407,434
CAN‘ PUNCH AND CLOSURE
Joseph F. Markley, Camden, N. J.
Application October 28, 1943, Serial No. 508,011
1 Claim.
(01. 220-51)
1
My invention relates to containers such as cans
'
2
to the position of Figure 5 when the device is at
tached to the can. With the device secured to
the can, pressure is applied to the ends of the
oils and the like, and has among its objects and
strap 24 for driving the prongs 34 through the
advantages the provision of an improved can
can top and countersinking the margins of the
punch and closure.
top surrounding the openings to form ?ares 38
In the accompanying drawing:
constituting seats for the bodies 30. Figure 6 il
Figure 1 is an end view of a can illustrating my
lustrates the strap 24 as being under a slight
invention applied thereto.
?exure so that the bodies 30 are held ?rmly
Figure 2 is a similar view illustrating perfora
against the ?ares 38 to provide a sealed can con
10
tions in the can.
dition.
Figure 3 is a sectional detail view illustrating
The openings 40 are uncovered by lifting the
one of the perforating and sealing means.
ends of the strap 24 upwardly and then rotating
Figure 4 is a side view of the upper end of the
the strap to one side of the two openings.
can with the punch and closure arranged accord
The member l0 constitutes a clamp which may
15
ing to Figure 1.
be effectively secured to the can through mere
Figure 5 is a view taken along the line 5—-5 of
tightening of the screw 20. The washer 28 spaces
Figure 4, and
the strap 24 from the member ID to insure a
Figure 6 is a view similar to Figure 5 but illus
?exed condition of the strap when in a sealing
trating the manner in which the perforating ele
20 position with respect to the pouring and vent
ments perform a sealing function.
openings 40.
In the embodiment of the invention selected
Without further elaboration, the foregoing will
for illustration, I make use of a clamp member [0
so fully explain my invention, that others may,
comprising a metallic strap bent at one end to
by applying current knowledge, readily adapt the
for packaging liquids such as milk, fruit juices,
provide a right angular ?ange l2 partly bent
same for use under various conditions of service.
back upon itself to provide a can engaging lip M. 25
I claim:
‘
The other end of the strap is also bent to pro
A combination can punch and closure com
vide a right angular ?ange l5 partly bent back
prising a clamp attached to the can, one end of
upon itself to provide a can engaging wing I8
said clamp provided with a depending right
of considerably longer length than the lip l4.
angular ?ange partly bent back upon itself to
30
The ?ange I6 is somewhat longer than the
provide a can engaging lip, the other end of said
?ange l2
The member [0 is of such length as to permit
the lip l4 and the wing 18 to be positioned for
clamp provided with a depending right angular
?ange of a greater length than said ?rst men
tioned ?ange and partly bent back upon itself
to provide a can engaging wing of greater length
cally opposite points. A screw 20 is threaded 35 than said engaging lip, a winged screw threadably
through the ?ange l6 and has end engagement
received in said last named ?ange having en
with the wing lit to ?ex the latter against the
gagement with said wing to ?ex said wing against
engagement ‘with the side of the can at diametri
side of the can and ?rmly clamp the device to
the side of the can and ?rmly hold the clamp
the can through the pressure engagement of the
to the can through the pressure engagement of
4.0
lip 14 and the wing with the can 22.
the lip and the wing with the can, a ?exible
Located underneath the member 10 is a ?exible
means pivotally connected with said clamp to
metallic strap 24 pivotally connected with the
overlie an end of the can when said clamp is
member ill by a rivet 26. A spacing washer 28
secured thereto, said clamp holding said ?exible
is mounted on the rivet and interposed between
means in bowed condition on the end of the can
the member ID and the strap 24. To the lower 45 to
apply constant tension thereto and perforating
end margin faces of the strap 24 are attached
means
attached to said ?exible means to perfo
semi-round closures 30, as by rivets 32. Each
rate the end of the can when pressure is applied
body 30 is provided with a tapered perforating
to said ?exible-means, said perforating means
prong 34 engageable with the can top 36 for
being held ?rmly in the perforations in said can
50
punching holes therein when pressure is applied
by the ?exed condition of said
means.
to the end margins of the strap.
Normally the strap 24 is straight and is bent
JOSEPH F. MARKLEY.
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