JPH0489005A - Rod for permanent wave - Google Patents

Abstract

PURPOSE:To obtain a rod for permanent wave from which a fixing means is detached without conducting the detaching operation of the fixing means by providing a engaging piece using a shape memory element as raw material, whereby the engagement state is released by the deformation of the engaging piece. CONSTITUTION:Engaging piece portions 13,13 integral with deforming rings 14,14 formed by a shape memory element are provided on both sides of a long cylindrical portion 12. Projecting and recess portions are formed on the engaging piece portions 13 and deforming rings 14, and the projecting portion sides are used as engaging pieces 13a, 13a where a band is hooked. The deforming ring 14 forms the framework of the engaging piece portion 13, and the engaging piece 13a is deformed by a temperature change to a high temperature in such a manner as to be bend outward from the base end. Accordingly, when the hair is washed with hot water, the deforming ring 14 causes such a phase transformation phenomenon that it returns to its memorized shape, so that a band hooked on the engaging piece is separated.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention (Industrial Field of Application)] This invention relates to a permanent rod for adding curls to hair.

(Prior art and problem to be solved by the invention) When adding curls to hair using a permanentet rod, the hair is wrapped around the permanentet rod and a rubber band or other The hair in the rolled part must be secured with a band. FIG. 7 shows the state of curling using the above permanent net rod.

The permanent net rod 1 shown in FIG. 7 has paper 4 and hair wrapped around the middle end of an elongated cylinder. At both ends of the cylindrical shape, a plurality of locking pieces 2a, 2a... are formed by dividing.
and 2b, 2b, . . . , and an endless band 3 (herein referred to as a fixing means) is hung over these to fix the curled hair.

However, the permanent net rod shown in FIG. 7 has a drawback that it is troublesome to remove the band 3 when the permanent net rod is removed after the curling process is completed. That is, with the above-mentioned conventional permanent net rod, it is necessary to use both hands to remove the band. Also, there was a risk of pulling the hair at that time.

SUMMARY OF THE INVENTION An object of the present invention is to provide a permanent net rod in which the fixing means can be removed naturally without any special operation for removing the fixing means.

[Structure of the Invention] (Means for Solving the Problems) The present invention uses a shape memory element as a material of a permanent net rod, and has hair wound around a cylindrical body portion and a lock formed at both ends of the body portion. It is characterized in that the engaged state, which is fixed between the locking piece and the fixing means that engages with the locking piece, is released by deforming the shape of the periphery or the entire locking piece.

(Effect) In the process of adding curls to the hair using a permanent net rod,
A perming solution is applied to the hair wrapped in a permanent trot to soften the hair, and a fixing liquid is applied to add curl to the hair. These two liquids are washed away with shampoo after curling.

According to this invention, since the permanentet rod is composed of a shape memory element, if the temperature of the hot water used for shampooing is higher than the ambient temperature (for example, room temperature) given to the permanentet rod when curling is applied, the permanentet rod can be curled. The engagement between the engaging piece and the fixing means can be naturally disengaged due to the shape deformation caused by this process, and the curling process can be performed efficiently without having to use both hands to remove it or having the hair caught. be able to.

(Example) Hereinafter, the present invention will be explained in detail with reference to illustrated examples.

1 to 3 are configuration diagrams showing one embodiment of the permanent net rod according to the present invention, FIG. 1 is a side view, and FIGS. 2 and 3 are perspective views illustrating how the shape changes. Out.

This permanent rod 11 has a crown-shaped deformable ring with shape memory elements on both sides of the hollow long cylindrical part 120] 4.14
A locking piece 13.1 integrally constructed by adhesive or other means.
3. The locking piece part 13.13 and the long cylindrical part 12 are made of different materials; the long cylinder part] 2 is made of hard resin, and the locking piece part 13 is made of soft resin such as EPDM. ing. In addition, the locking piece 3 is formed by slit processing to form unevenness that matches the crown-like uneven shape of the deformed ring 14, and the protrusion side is formed into a locking piece 1 for hunting.
It is designed to be used as 3a, 13a... The deformable ring 14 forms the frame of the locking piece 13, and deforms the locking piece 13a so as to bend outward from its base end when the temperature changes to high temperature. That is, the deformable ring 14 is the locking piece 13a.

The protruding pieces 14a, 14a, . . . that correspond to the latching pieces 13a, 13a, . . . bend the locking pieces 13a, 13a, .

An annular ring portion 14b having protruding pieces 14a, 14a, . . . extended to the hard long cylindrical portion 12 side, and the deformable ring 14 is supported by the long cylindrical portion 14b. In addition, the deformable ring 14 includes carbon in T1Ni, for example, so that phase transformation occurs at around 40' when the temperature shifts.

The elongated cylindrical portion 12 has a plurality of ventilation holes 12a, 12a, . . . arranged around the center thereof along the longitudinal direction.

When adding curls to hair using such a permanent net rod 11, apply paper wet with perm solution to a predetermined bundle of hair (the hair will tend to wrap around), and then straighten the center of the permanent net rod 11. wrap around the part. After this, as shown in Figure 7, a band such as a rubber band (fixing means)
are hung on the locking pieces 13a, 13a at both ends, and the long cylindrical part 1 is secured.
Fix the hair wrapped in 2. Furthermore, a hair fixative is applied to add curls to the hair.

Next, wash your curled hair. Genuine permanent net rod 1
1, the temperature of the hot water used during hair washing is set higher than the temperature during curling (more precisely, the ambient temperature of the permanent net rod 11 during curling). If the temperature at the time of curling is, for example, 38°, the humidity is higher than this temperature. A suitable temperature for this temperature is, for example, 40°, which does not make the human body feel hot.

By washing your hair with hot water at the above temperature,
The deformable ring 14 undergoes a phase transformation phenomenon in which it returns to its memorized shape at a temperature higher than the above temperature, and the locking piece 13a.

13a... are deformed as shown in FIGS. 2 and 3. As a result, the band that has been hung between the locking pieces 13a, 13a naturally closes to the locking piece 13a.

Leave from 13a... When the band is removed, the permanent net rod 11 falls into the hair washing container, and the person washing the hair can remove the permanent net rod 11 without removing the band hooked on the locking piece 13a. The phase-transformed permanentet rod 11 returns to its original shape at room temperature or by applying forced force.

By using the present permanent net rod 11 in this manner, the fixing means can be naturally removed without any special work during hair washing, and the complexity of curling treatment can be eliminated.

FIGS. 4 and 5 are configuration diagrams illustrating another embodiment of the present invention. In this embodiment, a linear ring 14 made of a shape memory alloy is fitted to an uneven locking piece 13a along the end surface. To explain in detail, the linear ring 14 is connected to the locking piece 13a.
The recess 13b between the locking pieces 13a is inserted into the recess 13b side before phase transformation, as shown in FIG. 4. When the phase transformation temperature is raised in this state, the linear ring 14 pops out from the recess 13b, as shown in FIG. Therefore, if the hair is curled with a band when the hair is in the shape shown in FIG. 4, the linear ring 14 will deform as shown in FIG. 5 when the hair is washed, and the band will automatically come off.

In yet another embodiment, as shown in FIG. 6, the entire permanent net rod 11 may be made of a shape memory element so that it deforms into a bellows shape when hair is washed. In this case, the locking piece 13a may be provided with a ring 14 made of a shape memory alloy similar to that shown in FIG. 1, and the long cylindrical portion 12 may be made of shape memory resin. By providing such deformability, the length and direction are shorter than the embodiments shown in FIG. 1 or 4, and the hand can be removed more quickly.

Note that each of the above embodiments is applied to a curl-only lot, but the fixing means is rotatably attached to the main body.
It can also be applied to so-called home-use hair curlers in which hair is fixed by engaging a fixing means to the main body. In this case, the portion that engages with the fixing means may be configured to be deformed.

[Effects of the Invention] As described above, according to the present invention, the hair fixing means can be removed without requiring any special removal work.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram showing an embodiment of a permanent net rod according to the present invention, FIGS. 2 and 3 are perspective views showing the operation of the embodiment shown in FIG. 1, and FIGS. 4 and 5 are FIG. 6 is a configuration diagram showing another embodiment, FIG. 6 is a configuration diagram showing still another embodiment, and FIG. 7 is an explanatory diagram illustrating how curling is applied. 11... Permanent rod, 12... Long cylindrical part,
13a, 13b...Locking pieces. Figure 1 Figure 2 Figure 3 Patent applicant Otsuo Sakakibara

Claims (1)

[Claims] A permanent net rod in which hair wound around a cylindrical body is secured by locking pieces formed at both ends of the body and a fixing means that engages with the locking pieces, wherein a shape memory element is used as the material of the permanent net rod. A permanent net rod, characterized in that the locking piece or the entire locking piece deforms in shape to remove the fixing means engaged with the locking piece.