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Патент USA US2411058

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Nov. 12, 1946.
J. c. ROCKWELL
2,411,058
COLLAPSIBLE TUBE CLOSURE
Filed Jan. 1'7, 1944
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Patented Nov. 12, 1946
2,411,058
UNITED STATES PATENT OFFICE‘
2,411,058
COLLAPSIBLE TUBE CLOSURE
John Calvin Rockwell, Mobile, Ala.
Application January 17, 1944, Serial No. 518,605
1 Claim.
1
This invention relates to new and useful im
' provements in closures for collapsible tubes, the
(01. 220—'32)
2
packing disk I8 is provided in a pocket IQ of the
cap 15 and into this projects a beveled nipple 20
located at the upper end of- the upstanding por
principal object being to provide a device which
can be readily applied to any conventional col
tion [0.
‘
‘
lapsible tube, to the end that a closure will be
A hollow plug 2| is threadedly disposed into
provided that will always keep the contents of
the depending portion of the cap l5 and contains
the tube substantially air-tight and a closure
a spring 22 which serves to urge a ball 23 into a
which will not have to be disconnected from the
recess in the front side l2 of the upstanding por
tube in order to permit dispensing of the contents
tion ID, thus holding the cap in closed position.
of the tube.
10
While the foregoing speci?cation sets forth the
Other objects and advantages of the invention
invention in speci?c terms, it is to be understood
will become apparent to the reader of the follow
that numerous changes in the shape, size and
ing description.
'
materials may be resorted to without departing
In the drawing:
from the spirit and scope of the invention as
Figure 1 represents a fragmentary side eleva 15 claimed hereinafter.
tional View of a tube showing the closure.
Having described the invention, what is claimed
Figure 2 is a fragmentary side elevational View
as new is:
showing the improved closure in vertical section.
A closure adapter comprising a body having a
Figure 3 is a cross section taken substantially
threaded socket for receiving the threaded neck
on the line 3—3 of Figure 4.
20 of a collapsible tube and having a discharge open
Figure 4 is a fragmentary sectional view taken
ing, a closure for said discharge opening, a hinge
substantially on the line 4—4 of Figure 1.
pivoting said closure to said body, detent means
Referring to the drawing wherein like nu
for securing said closure in closed position, said
merals designate like parts, it can be seen that
discharge opening consisting of an vupstanding
numeral 5 denotes a collapsible tube having a 25 porton of said body and de?ning a nipple, and
threaded neck 6. Numeral 1 generally refers to
recess means in said closure for receiving, seating
the improved closure.
and closing said nipple, said closure having an’
The improved closure consists of a body 8 hav
upper portion entirely surrounding the upper
'ing a threaded socket 9. The body 8 has an
periphery of said nipple and a lower portion, U.
upstanding portion Ill provided with flat side 30 shaped in cross section, which is cut away on the
portions H, II and a rounded front portion l2.
hinged side of the closure to embrace the lower
The back portion of the upstanding portion III
portion of said nipple and said base on three
has a vertically extending channel [3 and across
sides thereof, said base being cut away within the
this is disposed a pin [4 which extends into the
cut away portion of said closure, said hinge means
side portions of a channeled cap [5. A spring I‘! 35 engaging said closure and said base and posi
is located on the pin 14 and serves to normally
maintain the cap I5 urged upwardly to an opened
position, as shown in dotted lines in Figure 4. A
tioned in said cut away portions.
JOHN CALVIN ROCKWELL.
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