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Патент USA US2129121

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SePt. 6 y
2,129,121
J. DE D
HAIR
UKE
Fil c URLING APPAR ATUS_
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W YÁ¿MINVENT‘ÓR~
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ATTO RNEY
Patented Sept. 6, 1938
2,129,121
UNITED> STATES PATENT OFFICE
2,129,121 vj
HAIR VCURLING APPARATUS
Jacob DeA Duke, New York, N. lY.V l `
Application October 28, 1937, Serial No.v 171,436
` `5 olaimaf (Cl. 132-33)
ure 1, will cause the rubber sheath to be firmly
The present invention relates to hair> curling
apparatus of the type which employs a chemical
compound which in the presence of moisture will
generate heat and which is customarily employed
moved into contact with the strands of hair, the
parts assuming the position of Figures 1 and 2.
Preliminary thereto, the strands of hair will be
5 with a moisture-containing'element by means of
which vapor is transmitted to the curled hair for
wound upon the mandrel. This is done at a time
when the latch pivoted at 4 has been swung to
permanently setting it. In other words, the de»
the left from its' position in Figure 1. When the
vice is related to the so-called “permanent” hair
strands of hair have been wound upon the man
drel, the squared end la: of the latter is moved
downwardly into the rectangular recess in arm 10
curling or waving methods.
10
The object of the invention will be set forth
in the accompanying specification, with refer
extension 6, the mandrel thus being held against
ence to the drawing, in which
Figure 1 is a perspective View showing an em~
bodiment of the invention immediately above a
further rotation. For convenience in rotating
the mandrel, the latter at the end opposite the
squared extension la: may carry a thumb piece
15 known device for receiving strands of hair, for
winding them into a curl preparatory to receiv
ing my improved device, the latter being shown
above and separated from the hair curling
means, the dotted lines indicating the partial
20
outline of a head.
-
15
When the strands of hair have been wound
upon the mandrel and the latter placed in the
position shown in Figure 1, the firmly held curl
of hair is ready to receive my improved device.
' The device comprises a bag i3 constructed of such 20
-
Figure 2 is a transverse sectional elevation of
the element shown in Figure 1 in assembled
relation.
Izar;
-
Figure 3 is a longitudinal section of my im-‘_
25 proved device on the line‘3-3, Figure 13.
Figure 4 is a bottom plan view of vthe same,
partially broken away.
Referring to Figures 1 and 2, I have shown by
the dotted lines a. the partial outline of a human
30 head from which strands of hair have been
brought together and wound upon a curling de
vice. This curling device forms no part of the
present invention but is well known in the art.
It comprises a mandrel l and a clamping arm
2 formed with spaced ears 2m which are pivotally
connected to the mandrel.
The strands of hair are first placed between
two lowermost clamping arms 3, each clamping
arm being covered with a yielding sheath 3x, rub
ber being suitable for this purpose. One arm
will be formed with an upwardly bent extension
3mm and the other arm is so connected to the eX
tension asI to be capable of movement toward and
from the second arm. The arm formed with the
45 upward extension 3m has pivoted thereto at 4 a
latch comprising the two arms 5, the uppermost
of arms 5 having an upwardly bent extension 6.
At 'l is pivoted a cam device 8 having an arm
extension 9.
The movable arm 3, covered with the rubber
sheath 3x is adapted to receive the cam 8 so that
when the rubber sheath is moved ñrmly into con
tact with the hair latch 5 may be swung inwardly
to receive said end of thearm, cam 8 will engage
55 it, and swinging lever 9 into the position of Fig
material as to permit ready passage of moisture
therethrough.
A'preferable material for construction of the
bag is a light-weight textile sheet of cotton. The
bag receives a chemical material shown indicated 25
at Ill of such nature that when moisture is ap
plied thereto heat will be generated of the degree
and for a time sufficient to set the wave. Chem
ical mixtures of this nature are well known in
the art. The bag is received in a springy 30
metallic holder Il of special construction. The
holder ll is preferably stamped out of sheet
metal so that it will be arcuate in cross-section
and formed with longitudinally extending flanges
Ilzr, which flanges are spaced to provide a pas
sageway for the strands of hair. At each end of
the holder an inwardly bent lip l2 is' formed so
as to provide a holding element for the bag I3.
The bag being flexible, it may be inserted into
the holder through the longitudinal passageway
intermediate the ñanges l lx and its ends pressed
under the holding lips |2a3, such operation being
performed prior to packing the devices for
shipment.
When my device is used, a sheet of readily ab
sorbent material such as flannel or blotting paper,
preferably a textile, indicated at I4, is saturated
with water and is placed over the curled strands
of hair in the position of the latter shown in
Figures 1 and 2 or, said saturated sheet may be
placed into the holder as indicated in Figure 1.
The holder is then pressed down over the curl
of hair until it assumes the position shown in
Figure 2, its springy action firmly pressing the
sheet I 4 upon the strands of hair and also causing 55
2
2,129,121
1. In a device for chemically generating heat
for hair waving, a snap holding element of
springy metal, arcuate in cross section, and split
longitudinally, and a bag containing a chemical
mixture adapted to generate heat in the presence
mixture Iû and heat is generated which, in turn, ` of moisture, said bag conforming to the inner
wall curvature of the holder and being held
generates steam. In a chemical mixture especial
ly prepared by me, I am able to generate a heat therein.
2. In a device for chemically generating heat
of approximately 240° F. and maintain a high
heat for ñve or six minutes, after which the heat for hairl waving, a snap holding element of 10
the bag I3 to exert pressure through sheet I4
upon the curl. Thus moisture is caused to pene
trate the bag and, at the same time, a propor
tion of moisture is received by the curl. There
upon, chemical action is set up in the chemical
gradually recedes until at the end of a totalV period
of about ñfteen minutes, the Wave has been “per
manently” set and substantially all of the mois
ture has been driven out of the sheet I4 by its
conversion into vapor.
'._
.
‘
'
Various devices for the same purpose have been
devised in the past, but these devices are awk
Ward and uncertain in use and require time and
careful manipulation by the operator. My device
snaps onto the curl and is immediately effective
Without preliminary operations. This is impor
tant for a number of reasons: (a) it reduces
discomfort to the subject of the hair Waving by
greatly reducing the time of operation; (b) there
is no bending and y“forming” of the moisture
enclosing element about the wave as in other de
vices which in the past have caused separation
of the element and the passage of chemical there
through, particularly upon the head of the sub
30 ject; (c) the spring snap characteristic of my
device enables the ñanges I Im to be ñrmly pressed
against the yielding surfaces of each rubber
sheath 3x, sealing the device against the leakage
of hot vapors, conserving the heat and prevent
ing possible irritation of the scalp by contact with
the hot vapors. In this connection, the pressure
of the rubber sheaths 3x upon the strands passing
upwardly between them is sufficient to bar the
springy metal, arcuate in cross section, and split
longitudinally, the metal at each side of the split
being bent to form longitudinally extending
flanges, and a bag containing a chemical mixture
adapted to generate heat in the presence of mois
ture, said bag conforming to the inner Wall curva
ture of the holder and being held therein.
3. In a device for chemically generating heat
for hair waving, a snap holding element of
springy metal, arcuate in cross section, and split 20
longitudinally, a bag containing a chemical mix
ture adapted to generate heat in the presence of
moisture, said bag conforming to the inner wall
curvature of the holder, and means carried by
the holding element for securing the latter upon
the inner wall of the holder.
4. In a device for chemically generating heat
for hair waving, a snap holding element of
springy metal, arcuate in cross section, and split
longitudinally, the metal at each side or" the split ,I
being bent to form longitudinally extending
flanges, Ya bag containing a chemical mixture
adapted to generate heat in the presence of mois
ture, said bag conforming to the inner wall curva
ture of the holder and being held therein, and lip 35
extensions carried by the holder at its ends, said
extensions being bent inwardly upon the bag to
hold 'the latter adjacent the inner wall of the
passage of hot vapors to the scalp at that area.
By bending the area of the metal adjacent the
longitudinal aperture of the holder to form the
flanges Bmx, the rigidity of the holder is increased
and this enables the use of lighter metal than
would otherwise be the case. The rigidity and
springy action of the device is further enhanced
holder.
5. In a device for chemically generating heat 40
for hair waving, a holding element made of sheet
by the inwardlyV bent lip sections I2.
to the direction of its cross sectional arc.
Having described my invention, what I claim
and desire to secure by Letters Patent, is as fol
lows:
metal, arcuate in cross section, and split longi
tudinally, the resilient resistance of the holding
element being augmented at each side of said
longitudinally split area by being bent reversely 45
JACOB DE DUKE.
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