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Патент USA US2129687

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Sept. 13, 1938-.
J. HANSEN
2,129,687
COLLAPSIBLE TUBE CLOSURE AND METHOD FOR MAKING THE SAME
'
Filed Jan. 19, 1957
m
2,129,687
Patented Sept. 13, 1938
UNITED STATES PATENT ‘OFFIQE
,
2,129,687
COLLAPSIBLE TUBE CLOSURE AND METHOD
FOR MAKING THE SAME
James Hansen, Flushing, N. Y., assignor of one
half to Gustav Drews, Brooklyn, N. Y.
Application January '19, 1937, Serial No. 121,255
18, Claims.
' This invention relates to discharge control
shoulder 5 beyond the inner periphery 6 of the
valves, particularly to collapsible tube closures
neck ,2.
and to the method of making the same.
'
Among the objects of the present invention, it
.15 is aimed to provide an improved collapsible tube
closure and a method for making the same,
which closure has a spiral valve seat and thread
vcorresponding in pitch to one another as shown
in my copending application, Serial No. 68,855
?led March 14, 1936 and which closure comprises
a neck having an internal thread forming ?ange
and an inclined spiral seat on the edge of the
neck, and a cap having an external thread to co
operate with said internal thread and a spiral
15 face to ride on said spiral seat.
The method of forming this closure consists
essentially in providing an'internal thread form
ing ?ange on the neck ofthe tube and a valve
seat on the edge of the neck, and a spiral face
20 on the cap ‘with an internal axially extending
?ange to clear the thread forming ?ange of the
neck when assembling and moldable'to be bent
around the thread forming ?ange of said neck
‘by an expanding tool or the like preferably intro
_
25 duced through the inside of the tube.
‘ These and other features, capabilities and ad
vantages of the present invention will appear
from the subjoined detail description of one spe
ci?c embodiment thereof illustrated in‘ the ac
30 companying drawing in which
'
Figure 1 is an elevation of the upper part of
a‘ tube equipped with the present improved clo
sure in closed position;
Fig. 2 is an elevation of the tube equipped
35 with the present improved closure in dispensing
position;
,
.
Fig. 3 is an enlarged fragmental section de
tached of the closure parts before initial assem
bling;
.
,
Fig. 4 is an enlarged fragmental section of
the closure parts after ?nal assembling;
40
, Fig. 5 is an enlarged section on the line 5-5
of Fig.4;
,
‘
i
Fig. 6 is an enlarged fragmental section on the
v
45 line 6-6 of Fig. 2;
Fig. '7 is an enlarged section on the line 1-1
of Fig. 6;
'
Fig. 8 is an enlarged perspective of the cap
before initial assembling;
50
(Cl. 221-60) ‘
_
Fig. 9 is an enlarged perspective of the washer
or yieldable seat detached; and’
Fig. 10 is an enlarged fragmental perspective
of the tube before assembling.
~
In the embodiment shown, there is illustrated
-55 a tube body I having a diminished neck 2 at one
end and a clinched plate 3 closing the other or
lower end of the body I. The neck], see par
ticularly Figs. 3, 6 and 7, has a spiral seat 4
‘slightly inclined downwardly toward the center
60 of the body I and extending inwardly'to form a
This extended seat portion also extends from
the highest point of the spiral seat to the lowest
point, see the extended‘portion ‘I which performs '
an important function in anchoring the cap to
the neck. The spiral seat 4 preferably consists
of a single convolution in which the ends of the
convolution are connected by the aforesaid ex
tended portion 1.
'
'10
The cap 9 has a cylindrical outer contour and
a ?nger engaging ?ange or’tab Ill preferably ex
tending diametrically across the outer upper face.
The cap 8 when initially mounted or shaped, see
Figs. 3 and 8, preferably has a spiral face II and
preferably formed in a single convolution with
the ends, thereof connected by the inclined face
I2. The faces II and I2 preferably have a con
tinuous outer ?ange
I3
of uniform height
throughout and an inner ?ange I4 substantially 120
equal in height to the height of the ?ange I3 at
the portion I5 extending‘ from the uppermost
point of the spiral face I I for a distance of about
one-fourth of the length of the face II and the
remaining portion I6 of the ?ange I4 being at 25
least twice the height of the portion I5 for the
purposes hereinafter to be described.
Shaped to conform to the faces II and I2,
there is provided the washer I1 constituting a
seal between the cap 9 and neck 2. This washer 30
Il may be composed of any suitable yieldable ma
terial suchas cork, a cork compound or the like.
It will here be noted that when the seal I'I isv
squeezed into place, it will be anchored between
the ?anges I3 and I4 and extend, along the in 35
clined face I2 to the extreme inner edge of the
cap wall where the inner ?ange is interrupted.
After the sea] I‘! has been secured in place then
the cap 9 with its ?ange portion I6 still extend
ing axially is passed into the neck 2, before the 40
tube is ?lled and while the lower end is still open.
It will then only be necessary, preferably after
the cap 9 has been turned to the closed position
shown in Fig. 1, to bend the ?ange portion I6
outwardly against the shoulder 5 when a thread
will be formed parallel to the spiral seat 4. The
bending of the ?ange portion I6 may be‘ effected
by any suitable tool, such as an expansion tool
or the like inserted through the lower open end
of the body I.’
' When the portion I6 is so bent outwardly, see
particularly Fig. 6, the outwardly bent edge of
the portion I6 will cooperate‘ with the extended
portion 1 to form a limiting stop for the rota
tion of the cap into open position, that shown 55
in Fig. ‘2 and in turn to serve as an anchoring
means permanently to anchor the cap 9 to the
neck 2. Thereupon, after making sure that the
cap 9 has been turned into closed position, the
body I while inverted may be ?lled and then 60
2
2,129,687
the plate 3 clinched or crimped in the usual
way. The steps of the method will appear from
the description aforesaid and therefore will not
be repeated separately.
In closed position, the ?ange l3 adjacent the
face l2 will slightly overlap the neck 2 so that
a substantially smooth cylindrical surface will‘ be -
presented with the cap and. neck portions, in the
interest of the appearance of the'article and in,
the interest of facilitating the cleaning of“ the
neck and cap after use.
,_
_
It is obvious that various changes and modi
?cations may be made to the details of construc
tion and in the steps of the method without de
parting from the general spirit of the invention
as set forth in the appended claims.
I claim:
7
1. In a discharge control valve, the combina
tion with an outlet forming tubular body having
20 the tubular edge of its free end formed into a
spiral seat and an internal screw thread formed
adjacent said spiral seat, of a cap having aspiral
face conforming to said spiral seat, and an ex
ternal screw thread formed on said cap to engage
25 said ?rst thread.
2. In a discharge control valve, the combina
tion with an outlet forming .tubular body having
the tubular edge of its free end formed into a
spiral seat and an inwardly extending thread
30 guiding ?ange formed adjacent said spiral seat,
of a cap having the tubular edge of its free end
formed into a spiral face conforming to said
spiral seat, and an external screw thread formed
along the inner edge of said spiral face to en
35 gage said ?rst thread.
3. In a discharge control valve, the combina
tion with an outlet forming tubular body having
I
I)
the tubular edge of its free end formed into a
single convolution spiral seat with a connecting
surface‘ intervening between the ends of said
spiral seat and a ?ange extending inwardly from
said spiral seat and said connecting surface, the
flange along said spiral seat constituting a thread
and the flange along said connecting surface con
stituting a stop, of a cap having a spiral face
conforming to said spiral seat, and an axially
extending ?ange at the inner end of said spiral
face moldable to be bent around the thread form
ing flange of said body after said cap has been
positioned on said body to screW-threadedly con
nect said cap to said body and to cooperate with
said stop to de?ne the extent of opening to be
formed and to permanently anchor said cap to
said body.
.
.
I
4. In a discharge controlvalve, the combina
tion with an outlet forming tubular body having
the tubular edge of its free end formed into a
spiral seat with a connecting surface between
the ends of said spiral seat, a ?ange extending
(l O inwardly from said spiral seat and said connect
ing surface, the ?ange along said spiral seat
constituting a thread and the ?ange along said
connecting surface constituting a stop, of a cap
having a spiral face conforming to said spiral
seat, axially extending ?anges along the inner
and outer edges of said spiral face, and a washer
positioned on said spiral face between said
?anges, the inner ?ange moldable to be bent
around the thread forming ?ange of said body
after said cap has been positioned on said body
to screw-threadedly connect said cap to said body
and to cooperate with said stop to‘ de?ne the
extent of opening to be formed and to perma
nently anchor said cap to said body.
is
_
5. In a discharge control valve, the combina
tion with an outlet forming tubular body having
the tubular edge of its free end formed into a
spiral seat with a connecting surface between
the ends of said spiral seat, a ?ange extending
inwardly from said spiral seat and said connect
ing surface, the ?ange along said spiral seat con—
istituting a thread and the ?ange along said con
necting surface constituting a stop, of a cap hav
ingv a spiral face conforming to said spiral seat,
axially extending ?anges along the inner and
‘outer ‘edges’ of’ said spiral face, and a washer
positioned on said spiral face between said
10
?anges, a portion of said inner ?ange moldable
to be bent around the thread forming ?ange of
said‘body'after said cap has been positioned on 15
said bodyv to screw-threadedly connect said cap
to said body and to cooperate with said stop to
de?ne the extent of opening to be formed and
to permanently anchor said cap to said body.
‘6. In a discharge control valve, the combina
tion with an outlet forming tubular body having
the tubular edge of its free end formed into a
spiral seat with a connecting surface between the
ends of said spiral seat, and an internal screw
thread formed adjacent said spiral seat, of a cap '
having a spiral face and connecting face con
forming to the spiral seat and connecting sur
face of said body, an external screw thread
formed on said cap to engage said ?rst thread,
and a washer conforming to and secured to said
spiral face and connecting face.
7. In a'discharge control ‘valve, the combina
tion with an outlet forming tubular body having
the tubular edge of its free end formed into a
spiral seat and connecting surface, and an in-; ‘
wardly extending thread guiding ?ange formed
adjacent said spiral seat and connecting face,
of a cap having the tubular edge of its free end
formed into a spiral face and a connecting face
connecting the ends of said spiral face to con- .
form to said spiral seat and connecting surface,
an external thread formed along the inner edge
of said spiral face to engage said first thread,
and a yieldable substance conforming to and se
cured to said spiral face and connecting face.
8. The method of anchoring'a cap partly tubu
lar to a collapsible tube free partially to rotate
relative‘to one another into open and closed posi
tion in which the body is open at its lower end
before being ?lled and the upper end is tubu
lar consisting in forming a spiral seat along the
tubular free edge of the tube with a surface con
necting the ends of the spiral seat and forming a
?ange extending inwardly from the spiral seat
and connecting surface, forming. a spiral face,
along the tubular free edge of the cap with a sec
ond face connecting the ends of said spiral face,
and forming an axially extending‘ moldable ?ange
along the inner edgeof said spiral face, ‘thereupon
positioning the cap on the spiral-seat and then
inserting an expansion tool through the lower to
open end of the body and pressing the axially ex
tending ‘?ange. around the inwardly extending
?ange of said spiral seat.
9. The method of anchoring a cap partly tubu
lar to a collapsible tube free partially to rotate '
relative to one another into open and closed posi
tion in which the body is open at its lower end be
fore being ?lled and the upper end is tubular con
sisting in forming a spiral seat along the tubular ,7‘)
free edge of the tube. with a surface connecting
the ends of the spiral seat and forming a ?ange
extending inwardly from the spiral seat and con—‘
necting surface, forming a spiral face along the
tubular free edge of the cap with a second face
3
2,129,687
curing a washer on said spiral face and connect
said body for partial rotation relative to one
another.
15. The combination of a cap partly tubular
and a collapsible tube free partially to rotate rela
.ing face, then positioning the cap on said spiral
seat and then inserting an expansion tool through
between them, said tube being open at its lower
connecting the ends of said spiral face, and form
ing an axially extending moldable ?ange along
the inner edge of said spiral face, thereupon se
tive to one another to form an opening or not
the lower open end of the body and pressing the ' end before being ?lled and tubular at its upper
end, said tubular upper end having a spiral seat
axially extending ?ange around the inwardly ex
along its tubular free edge with a surface con
tending ?ange of said spiral seat.
necting the ends of the spiral seat and a ?ange 10
10.
In
a
discharge
control
valve,
the.
combina
10
tion with an outlet forming tubular body having extending inwardly from the spiral seat and con
necting surface, said cap having a spiral face
the tubular edge of its free end formed into a
along its tubular free edge with a second face
spiral seat and an internal screw thread, of a cap
having a spiral face conforming to said spiral connecting the ends of said spiral face, a washer
on said spiral face and second connecting face, 15
seat, and an external screw thread formed on said
and an axially extending moldable ?ange along
cap to engage said ?rst thread. }
the inner edge of said spiral face pressed around
11. In a discharge control valve, the combina
tion with an outlet forming tubular body having the inwardly extending ?ange of said spiral seat
the tubular edge of its free end ‘formed into a to anchor said cap to said body for partial rota- ,
spiral seat and an inwardly extending thread tion relative to one another.
16. The combination of two tubular valve ele
guiding ?ange, of a cap having the tubular edge
of its free end formed into a spiral face con
ments having ‘co-acting spiral seats for limited
forming to said spiral seat, and an external screw
thread formed along the inner edge of said spiral
face to engage said ?rst thread.
12. The method of anchoring a moldable metal
tube cap portion to a moldable metal tube portion
axial movement relative to one another, interrup
tions in said valve elements registering with one
another in one axial position of said valve. ele
ments to form a valve opening and angularly re
moved from one another in another axial posi
tion of said valve elements to close the valve, a
radially extending ?ange adjacent one of said
spiral seats, and a moldable ?ange formed ini 30
tially to extend axially along the inner edge of
the other of said seats and moldable to be pressed
for a limited axial movement to form a perma
nently connected closure for an opening between
30 the cap and tube consisting in forming a spiral
seat along the tubular free edge of the tube with
a surface connecting the ends of the spiral seat
and a ?ange extending inwardly from the spiral
seat and connecting surface, forming a spiral face
along the free edge of the cap with a second face
35 connecting the ends of said spiral face, forming
an axially extending ?ange along the inner edge
of" said spiral face, thereupon positioning the cap
on the spiral seat, and then exercising an outward
pressure on the axially extending ?ange to roll
40 such ?ange around the inwardly extending ?ange
of said spiral seat.
13. The method of anchoring a moldable metal
tubular cap portion to a moldable metal tube por
tion for a limited axial movement to form a per
45 manently connected closure for an opening be
tween the cap and tube consisting in forming an
inwardly extending ?age constituting a spiral
thread and a portion connecting the ends thereof,
forming a spiral face on the cap with a second
face connecting the ends of the spiral face form
ing an axially extending ?ange along the edge of
said spiral face, thereupon positioning the cap
with its spiral face in engagement with said spiral
thread, and then exercising an outwardpressure
on the axially extending ?ange to roll the same
around said spiral thread.
14. The combination of a cap partly tubular
and a collapsible tube free partially to rotate rel
ative to one another into open and closed posi
60 tion, said tube being open at its lower end before
being ?lled and tubular at its upper end, said
tubular upper end having a spiral seat along‘ its
tubular free edge with a surface connecting the
ends of the spiral seat and a ?ange extending in
65 wardly from the spiral seat and connecting sur
face, said cap having a spiral face along its tubu
lar free edge with a second face conecting the
ends of said spiral face, and an axially extend
ing moldable flange along the inner edge of said
70 spiral face pressed around the inwardly extending
?ange of said spiral seat to anchor said cap to
outward around the adjacent radially extending
flange to anchor said valve elements to one
another for partial rotation relative to one
another.
'
17. The combination of two valve elements
having‘ co-acting spiral faces for limited axial
movement relative to one another, interruptions
in said valve elements clearing one another in one 40
axial position of said valve elements to form a
valve opening and angularly moved from such po
sition into another axial position of said valve
elements to close the valve, a thread forming seat
on one of said valve elements co-axial with and 45
having a predetermined pitch relative to the spi
ral face on said latter valve element, and a mold
able ?ange on the other valve element formed ini
tially to extend axially along an edge of said
thread forming seat and moldable to be pressed 50
laterally to engage the latter thread forming seat
to position said valve elements for partial rotation
relative to one another.
18. The method of anchoring two valve ele
ments to one another for a limited axial move
ment to form a permanently connected closure
for an opening between the two valve elements
55
consisting in, forming a spiral thread forming
seat and a spiral valve seat on one of said valve
elements co-axial with one another, forming on 60
the other of said valve elements a second spiral
valve seat conforming to said ?rst spiral valve
seat and also a ?ange initially to extend axially
alongside of an edge of said ?rst valve seat, there
upon positioning the valve elements with their 65
valve seats in engagement with one another, and
then exercising a lateral pressure on the axially
extending ?ange to roll the same around the spi
ral thread forming seat of the other valve
element.
JAMES HANSEN.
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