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Патент USA US2111539

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Mardi 22,1938.
p, ALBERT ET AL
2,111,539 „
PROTECTOR FOR PERMANENT WAVE TREATMENTS
Filed Sept. l5, 1935
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\
2 Sheets-Sheet 1
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Zîe‘yefafams“
March 22, 1938.
P. ALBERT ET AL
2,111,539Y
PROTECTOR FOR PERMANENT WAVE TBEATMENTS
Filed Sept. 13, 1935
2 Sheets-Sheet 2
_Zkyeßfans’
¿y
Patented Mar. 22, 1938
UNITED STATES PATENT OFFICE
2,111,539
PROTECTOR FOR PERMANENT WAVE
TREATMENTS
Pierre Albert and Gustar Wickstrom,
Evanston, Ill.
Application September 13, 1935, Serial No. 40,440
6 Claims. (Cl. 132-33)
Our invention relates to a protector for permanent waves, for example, the Croquignole permanent wave. One purpose is the provision of
a protector which shall be convenient and safe to
use, which shall firmly hold the hair and prevent dragging on the scalp or hair roots when
the hair is being wound up in the curler and
which shall also protect the scalp from heat.
Another object is the provision of improved
l0 means for increasing the clamping effect upon
the hair, near the base of the hair, whereby any
pull or drag on the hair roots or scalp is prevented. Another object is the provision of improved means for locking the protector in place
against the hair. Another object is the provision
of improved means for centering the hair in the
protector, in such fashion that the particular lock
of hair which passes through the protector is concentrated or gathered at a generally central
20 point, for ease in winding upon the curler. Another object is the provision of improved means
for securing the curler in relation to the protector. Other objects will appear from time to time
in the course of the speciñcation and claims.
Referring to the drawings, we illustrate a pro
tector which includes two hinged members, gen
erally indicated as I, 2, which are hinged as at
3 by any suitable hinge structure of sufilcient
strength to hold the members I and 2 in their
normal plane in relation to each other when
they are moved into open position. Each of
the members I, 2 includes an upper block or
surface 4, la, which may be of any suitable
metal, for example, aluminum, steel orI the like, 10
or any other suitable material. It will be 0b
served that the hinge 3 projects outwardly some
what and tends to separate the blocks I and 4a at
one end and any suitable abutment 6 may be em
ployed to space them apart at the other. I em- l5
ploy any suitable clamping means which may in
clude an abutment 1, a link or loop 8, a lever 9
to which said loop is pivoted, an abutment II) to
which said lever is pivoted and a manually op
erable handle portion II associated with said
lever. It will be observed that when the hand 20
portion II is moved into the locking position and
the blocks 4 and 4a are secured together at each
end there is still a substantial zone of separa
25
tion between the intermediate portions thereof.
We illustrate our invention more or less 'dia-
grammatically in the accompanying drawings,
wherein-
Figure 1 is a plan view of the device in open
position with parts broken away and parts in
30 section;
Figure 2 is a plan View illustrating the protector in closed position;
Figure 3 is a plan View of the curler;
Figure 4 is a side elevation of the protector
3.3 with the curler in relative position;
Figure 5 is a section on the line 5_5 of Figure 4;
Figure 6 is an enlarged section on the line 6--6
of Figure 4;
fill
Figure 'l is a partial section taken on the line
1_1 of Figure 1;
Figure 8 is- a horizontal section through a var-
iant form;
Figure 9 is a section on the line 9--9 of Fig45 ure 8;
Figure 10 is a section on the line I0--I0 of Figure 9, showing a curler also in place and a heating element;
Figure 11 is a View of an improved curler;
50
Figure 12 is a plan view of the curler shown in
Figure 11;
Figure 13 is a section on the line I3--I3 of Figure 12.
"
Like parts are indicated by like symbols
55 throughout the specification and drawings.
25
Associated with each of the upper blocks I, 4a,
is a lower block or member I2, I2a preferably of
a flexible compres'sible material, for example rub
ber or sponge rubber. It will be observed that
the layer of rubber projects inwardly somewhat 30
beyond the layer of metal of the blocks 4, la, and
is provided with a tongue or face upwardly ex
tending into the separating aperture between
the two blocks 4, 4a. This provides opposed lips
of rubber indicated as at I3, I3a, which are prei- 35
erably of such thickness that, when the locking
means above described is in locking position the
opposed edges of the members 4, 4a clamp and
compress very strongly the rubber lips I3, I3a,
whereby the hair is very firmly gripped between 40
the two, when the protector is clamped about
the base of a lock of hair.
In order to increase this pressure where neces
sary I may set into one of the flexible blocks, for
example, the block |211., an abutment or pressure 45
or thrust member I5 which may be in the form
of a bar of some length. This member I5 has
opposed to it a thrusting screw I6 which is screw
threaded into the block la and which is adapted,
in response to rotation, to exert a thrust 50
against the member I5, whereby a further com
pression results independent of and additional
to the compression caused by the actuation of
the normal locking means. It is highly impor
tant that the hair be firmly gripped and this 55
Y'
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I
2
2,111,539
additional gripping means permits an exceed
ingly ñrm grip and is of course independent of
any unintended loosening which may result
from wear of the hinges or of the locking means
or of the rubber lips I3, Ila. It will be under
stood that these rubber blocks may be formed
as single integral pieces, including the lips Il.
Ila, and that the abutment I5 may be integrally
associated with one of these blocks, for example,
10 by being molded therewith when the block is
formed. If desired, the blocks I2, I2a, may be
made readily removable from the upper blocks
4, 4a, or they may be cemented permanently
thereto.
15
'I'hey are provided with opposed apertures or
slots generally indicated as I1, through which
pass cam or guide members I8, a pair of which
project inwardly from the inner faces of each of
the blocks 4, 4a. These members Il have inclined
20 inner edges Ila which serve to gather the hair of
the lock and thrust it into a more or less central
position of the protector. It is preferable to
wind a generally round lock about the below de
scribed curler and a concentration of the hair
25 in the protector is therefore desirable and is
readily obtained by the camming action of the
edges I 8a of the members I8, as the protector
members I, 2, are moved into closing position.
We may employ any suitable heat insulation
30 means to protect the scalp from the application
of heat to the hair above the protector. We may
employ, for example, insulating pads Il of felt
or any other suitable fibrous material or of any
material effective to limit or radically reduce
It will be understood, of
course, that the same result might be obtained
by the employment of air spaces.
Assuming that the protector is locked in posi
35 heat transmission.
tion as above described and the necessary com
40 pression applied to the roots of the hair, the lock
of hair is then wound on any suitable curler. We
illustrate, for example, a curler spool 20 with a
pin at one end having a head shaped identically
with the head of the screw I8. We may then em
45 ploy any suitable key I0 having a socket which
will take the head of either of these two mem
bers. It will be observed that at one end of the
curler 2U is a squared abutment member 2i which
is connected with the curler 20 by any suitable
overrunning clutch, the detalls of which form'no
part of the present invention, whereby the curler
body may be turned in one direction in relation
to the squared member 2i, but not in the other.
22 is any suitable initial clamping member which
55 conforms in shape to the curler 2li and which is
hinged thereto at one end as at 23. In order to
mount the curler on the protector we provide a
pair of ears at one end of the protector indicated
at 24. This is in the form oi’ a single piece at
the hinge end of the device.` This member 24
has opposed upstanding ears 25 separated by a
space 28 ofthe right separation to receive the
squared member 2I oi' the curler. At the op
posite end of each of the individual blocks 4, 4a
65 is an upstanding ear 21.
When the device is in
closed position these ears are separated a suili
cient distance to permit the passage therethrough
of the key receiving projection 2l oi’ the curler.
It will be understood that the curler, upon be
70 ing applied to a lock of hair, is rotated until the
lock is entirely wound thereabout and this rota
tion is continued until the hair is wound as
tightly as is desired. The lock of hair cannot
slip in relation to the protector and it is simply
wound in to the desired tightness until the curler.
and the hair are in the position in which they
are shown in Figure 6.
It will be realized that whereas we have de
scribed and shown a practical and operative de~
vice, nevertheless many changes may be made
in the size, shape, number and disposition of
parts without departing from the spirit of,our
invention. We wish our drawings and descrip
tion, therefore, to be taken as in a broad sense
illustrative and diagrammatic rather than as
limiting us to our particular showing. In partic~
ular, it will be understood that a wide variety of
materials may be employed, for gripping the hair
and for protecting the scalp. Sponge rubber is a
very emcient sealing means for protecting the
scalp by preventing steam and heat from reach
ing it. Other compressible or ilexible materials
may be employed for gripping the hair and any
suitable heat insulating means for protecting the
scalp. 'I'he particular location of the abutment 20
6 for protecting a supplemental thrust against
the hair may also be widely varied. In the place
of the screw I6 we might use any suitable wedge
or device for causing such a supplemental thrust.
Furthermore, the faces of the rubber lips Il, Ila 25
may be corruga:ed as shown in Figures 5 and 8
to increase the gripping force of the protector.
Whereas we have shown but a single such screw,
two or more might be employed. Where we have
shown such screw on one side only of the pro
30
tector, it will be understood that they might be
employed on opposite sides.
As an example oi possible changes we illus
trate in Figure 8 a variant form of applying pressure to the bar I5 in the form of a wedge mem
35
ber Il and pivoted as at I2 within a socket or
aperture 33. 34 is a rod pivoted to the member
2 as at 35. It includes a screwthreaded portion
Il which passes through a pivoted bearing 31.
It may terminate in a terminal outside end at 40
u. It is shown in the drawings as knurled but it
will be realized that it may be squared or he'xed
to receive the key IB shown for example in Ii'ig-A
ure 3. 'I'he form of Figures 8 and 9 has the ad
vantage of being located at or beyond the end 45
of the device so that it will not in any way inter
fere with the heating members 40 shown in Fig
ure l0. These heating members 40, pivoted to
gether as at 4I, and provided with any suitable
electric'conductors 42 have internal resistance
elements not herein shown in detail. It Will be..
understood that the heaters are in eiIect a spring
clamp, any suitable yielding means' being em
50
ployed, not herein shown, for urging the mem
bers 40 into the position they are shown in Fig 55
ure l0 about one of the curlers 20, and about the
hair curled about such curler. Since a spring
clip is employed it is important that vno parts
extend upwardly above the surface of the mem
bers 4, 4a, except at the very ends of the device
where mounting means for the curler 20 have to
be provided in the form of the ears 2l, and 21.
It will be observed, as in Figure 2, that the lock
ing means are entirely positioned along the end
in such position as not in any way to interfere
with the application or removal of the heating
members 4II.
We illustrate in Figures l1 to 13 an improved
type of curler. 'I‘he body il is provided with l
knurled portion II at its area of minimum diam 70
eter. It is also provided with knurled portions l2
at the ends thereof. 'I'he clamping arm Il is re
cessed into the curler at its ends, as at I4. Il. it
being pivoted in one of said recesses as at Il. The
_intermediate portion l1 surrounds and conforms 75
2,11 1,539
3
to the surface of the knurled portion il of the
body 50. We illustrate a knurled turning member
58. It will be understood, of course,that it may be
4. A protector for hair treatments, which in
cludes two blocks, said blocks being pivoted to
made to receive a key, to correspond to the show
ing of Figure 3. Whereas we have described the
opposed hair clamping members along their abut
roughened portions 6l, 52 as knurled, they may
be roughened in any other suitable way.
A particularly important feature about the
present device, is the ediciency of the locking
means. It will be observed, as in Figure 1, that
the link 8 is pivoted‘lto the lever 9 a substantial
distance from its pivot point. Thereby, when
the link and lever are moved into locking position
a very substantial tension is put upon the link l
and the blocks 4 and 4a are drawn very firmly
together compressing the yielding members I3
and I3a between them.
A further feature of our device consists in the
fact that the members I9 may be formed some
20 what cupped, as shown in Figures 6 and 10, to
conform generally tothe head of the subject.
We claim:
1. A protector for hair treatments, which in
cludes two blocks, hinged together at one end,
25 and locking means associated with the opposite
ends oi the blocks for locking said locks together,
including a locking lever pivoted to one of said
blocks, a link pivoted to said locking lever at a
point spaced from said lever point and extending
across the end of the other block, and a locking
connection between said link and said other
block.
2. A protector for hair treatments, which in
cludes two blocks, hinged together at one end,
35 and locking means associated with the opposite
ends of the blocks for locking said locks together,
including a locking lever pivoted to one of said
blocks, a link pivoted to said locking lever at a
point spaced from said lever point and extending
40 across the end of the4 other block, and a locking
connection between said link and said other block,
and a manually engageable projection associated
with said locking lever.
3. A protector for hair treatments, which in
cludes two blocks, said blocks being pivoted to
each other at one end, and being provided with
opposed hair clamping members along their abut
ting side edges, and locking means for the oppo
site end of said blocks, said locking means, when
in locking position, being located along the ends
oi‘ said blocks, whereby the side edges of the
blocks are left free, said locking means including
a lever pivoted to one of said blocks, a link pivoted
to said lever a substantial distance from the axis
of rotation ci the lever, and an abutment upon
the opposite block, adapted to receive said link.
each other at one end, and being provided with
ting side edges, and locking means for the oppo
site end of said blocks, said locking means, when
in locking position, being located along the ends
of said blocks, whereby the side edges of the blocks
are left -free, said locking means including a lever
pivoted to one of said blocks, a link pivoted to 10
said lever a. substantial distance from the axis
of rotation of the lever, and an abutment upon
the opposite block, adapted to receive said link,
the pivotal connection between the link and the
lever being, when the parts are in locking posi
tion, over dead center in relation to the pivot
point of the lever, whereby the compression of the
parts tends to hold the lever in locked position.
5. A protector for hair treatments, which in»
cludes two blocks, said blocks being pivoted to
each other at one end, and being provided with
opposed hair clamping members along their abut»
ting side edges, and locking means for the oppo
site end of said blocks, said locking means, when
in locking position, being located along the ends
of said blocks, whereby the side edges of the
blocks are left free, said locking means including
a lever pivoted to one of said blocks, a link piv
oted to said lever a substantial distance from the
axis of rotation of the lever, and an abutment 30
upon the opposite block, adapted to receive said
link, said lever, when in locking position, ex
tending along one end of the protector, and ex
tending slightly beyond one outside edge of the
protector.
6. A protector for hair treatments, which in
cludes two blocks, said blocks being pivoted to
each other at one end, and being provided with
opposed hair clamping members along their abut
ting side edges, and locking means for the oppo 40
site end of said blocks, said locking means, when
in locking position, being located along the ends
of said blocks, whereby the side edges of the
blocks are left free, said locking means including
a lever pivoted to one of said blocks, a link piv
oted to said lever a substantial distance from
the axis of rotation of the lever. and an abutment
45
upon the opposite block, adapted to receive said
link, said lever, when in locking position, ex
tending along one end of the protector, and ex
tending slightly beyond one outside edge of the 50
protector, the length of said lever being sub
stantially les', than the total width oi” the pro
tector.
PIERRE ALBERT.
GUSTAF WICKSTROMS
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