JP2002051826A - Permanent rod joining part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a permanent rod joining part with reduced manufacturing costs by simple structure and which enables reduction in inventory rods in a barbershop or a beauty shop by changing a standard-size rod to a detachable long rod by using the simple joining part in diversification of hair styles. SOLUTION: The permanent rod joining part is provided with at least one projecting part (2) to which the rubber stopping grooves (A', B') of rods to be joined are fitted is provided near the center part of the outer peripheral surface in the joining part (1) of a tube-like body or a rod-like body excellent in chemical resistance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to the structure of rod-to-rod joints, and more particularly, to a wide range of technologies utilizing conventional standard size rods.

[0002]

2. Description of the Related Art Generally, perm rods are available in a standard size (about 6 to 8 cm) and a long size (about 15 to 18 cm) from a small diameter to a large diameter (about 2 to 20 mm).

[0003]

[Problems to be solved by the invention] However,
In a beauty salon, for each caliber size, a standard type and a long type of rod had to be prepared in units of 60 to 80 rods. As a result, the storage space for the perm rods is required to be two to three times larger, and the long size rods are expensive to attend. The length of the standard long size may be different from the length required by the perm practitioner.

[0004]

Means for Solving the Problems A perm rod connecting part (1) according to claim 1 of the present invention is formed of a tubular body or a rod-like body made of a material having excellent chemical resistance, and has a contact surface with a rod. At least one convex portion (2) that can be inserted into the rubber stopper groove (A ', B') of the perm rod near the center of the outer peripheral surface is provided, and a perm rod connecting part (hereinafter also referred to as a connecting part) is provided. Is characterized in that the outer diameter excluding the convex portion is the same as the inner diameter of the rod to be joined.

When a standard size rod is inserted into both ends of such a joint part (1) and used, the two parts are in close contact with each other and can easily be changed to a long rod having a length of twice or more.
The protrusion (2) at the center of the outer peripheral surface is the groove (A ',
B ′), and has the function of being firmly connected without displacement (a, b directions) while being detachable.

[0006] The perm rod connecting part (1C) according to the second aspect of the present invention is formed of a tubular body made of a material having excellent chemical resistance, and the inner diameter thereof is the same as the outer diameter of the perm rods (A, B) to be inserted. And one or more projections (2C) that fit into the rubber stopper grooves (A ', B') of the rod inserted near the center of the inner wall. And perm rod joint parts.

[0007] In this way, most of the medium and large diameter rods have a tubular body, but in the case of small diameter (2 to 6 mm) rods, there are many rods without openings, in which case the tubular body wrapping the outer peripheral surface thereof When the rod is inserted at both ends using the joint part (1C), the two parts are in close contact and can easily be changed to a long size, and inserted into one or more convex parts (2C) provided at the center of the inner wall. The rubber stopper grooves (A ', B') of the rod
Detachable and has the function of firmly connecting without displacement (a and b directions).

[0008] The perm rod connecting part (1D) according to the third aspect of the present invention is a rubber rod having one or more rubbers at one end or both ends of the tubular body or the rod-shaped body according to any one of the first and second aspects. Perm rod joining parts characterized by providing a stop (4).

In this case, in addition to any of the functions obtained in the first and second aspects, when it is desired to lengthen the rod to be used a little, it is possible to attach and detach the joining part to one or both ends so that it can be detached and detached. Direction), the rubber stopper (4) is formed, and the rod can be used with a slight extension.

[0010]

Embodiment 1 FIG. 1 is a perspective view before joining in Embodiment 1 of the present invention, FIG. 2 is a perspective view in which a convex portion (2A) of a joining component is extended, and FIG. And a convex portion (2BB) in which the rubber stopper groove (A ', B') of the perm rod is fitted.

[0011] The material of such a joint component is preferably excellent in chemical resistance, and is preferably made of synthetic resin, synthetic rubber, stainless steel, aluminum, wood, or the like, and is further preferably lightweight.

The rod rubber having a contact surface whose outer diameter except for the convex part (2) of the joint part (1) in the first embodiment is the same as the inner diameter of the rods (A, B) having openings to be inserted is inserted. It is desirable that the shape of the convex portion (2) that fits tightly into the retaining groove (A ', B') is the same as the shape of the rubber retaining groove, and the thickness of the convex portion (2,
It is desirable to make the outer peripheral surface of the same height as the outer peripheral surface of B) so as to reduce the unevenness of the outer peripheral surface of the joint as much as possible.

When the length of the protruding portion (2A) is extended as shown in FIG. 2, the protruding portion (2) has an effect of forming a long rod having a length longer than that of the first embodiment in FIG.

FIG. 5 is a sectional view taken along line DD in Example 2 of the present invention, and FIG. 6 is a sectional view taken along line CC in FIG.
Is a convex portion provided on the inner wall of the joining component (1C), and the inserted rod (A ', B') is fitted.

The joint part (1C) in the second embodiment is desirably used for a small-diameter rod and a rod having no opening, and the thickness of the cylindrical part is as much as possible as long as the rod (A, B) has sufficient strength to join the rods. It is desirable that the projection is formed to be thin, and the projection (2C) provided on the inner wall has the same action as the projection (2) in FIG.

FIG. 7 is a perspective view according to a third embodiment of the present invention, and FIG. 8 is a diagram illustrating the use of the joint part (1D).

When connected in this way, the length of the rod can be increased by 10 to 20 mm, and when joined to both ends of the rod, the length can be increased by 20 to 40 mm,
Even if the length is delicately changed, it has the function of stopping the rubber,
The protrusion (2D) has the same action as the protrusion (2) in FIG.

[0018]

[Effects of the Invention] The perm rod joining part of the present invention has the following effects. According to the first aspect of the present invention, the rod (A,
By deeply inserting B), the degree of adhesion is increased, and the rubber stopper grooves (A ', B') of the rod are formed by the convex portions (2) of the joined parts.
Prevents the rods (A, B) from becoming kinked in the directions I and B, and can be easily attached and detached, but can be easily changed to a long rod with a firm connection, so there is no need to stock conventional long rods and storage is possible. The space required is only standard size rods, so the cost of entry can be kept low.In addition, since it is excellent in chemical resistance, it can be used for a variety of perm techniques. It has excellent productivity and can be manufactured and sold at low cost.

In the permanent-rod connecting part (1C) according to the second aspect, even in a rod having a small diameter and no opening, the outer peripheral surface is firmly wrapped and the convex part (2C) provided on the inner wall thereof. By this, it is possible to prevent the kinks in the directions a and b and to cope with a wide range of perm techniques similar to those described in claim 1 together with a firm connection,
Reduces storage space and is convenient and productive.

[0020] The perm rod connecting part (1D) according to claim 3 has the following advantages in addition to the effects described in claims 1 and 2.
Even in permanent technology that requires a rod extended by 4 cm, it is completed with easy attachment parts at one end or both ends of the rod, and there is no problem in technology because there is a rubber stopper,
Since there is no extra length, it is lightweight and works efficiently.

As described above, the rod can be freely attached and detached, and the standard size rod can be changed to a long size, and the rod can be easily changed to a rod that requires a little length later, and is excellent in convenience and productivity. A perm rod joint can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention before being joined to a rod.

FIG. 2 is a perspective view in which a protruding portion of the joint component according to the first embodiment of the present invention is extended.

FIG. 3 is an improved perspective view of a projection of the joint component according to the first embodiment of the present invention.

FIG. 4 is a perspective view at the time of joining with a rod by the joining component (1) of the present invention.

FIG. 5 is a sectional view taken along line D-D in Embodiment 2 of the present invention.

FIG. 6 is a cross-sectional view taken along line CC in Embodiment 2 of the present invention.

FIG. 7 is a perspective view of a joint component according to a third embodiment of the present invention.

FIG. 8 is a perspective view at the time of joining with a rod by the joining component (1D) of the present invention.

[Explanation of symbols]

A, B ... rods. A ', B' ... Rubber groove. CC, DD: sectional line of the joined component. 1, 1A, 1B, 1C, 1D ... Rod joint parts. 2, 2A, 2B, 2BB, 2C, 2D... 3. Opening. 4. Rubber stopper. I, b ... kink direction.

Claims (3)

[Claims] 1. A joining part (1) formed into a tubular body or a rod-like body by using a material having excellent chemical resistance, both ends of which can be inserted into the distal end openings of the perm rods (A, B) and joined. A perm rod joint part comprising at least one convex part (2) inserted into a rubber stopper groove (A ', B') fitted near a center part of an outer peripheral surface of the part. 2. A joining part (1C) formed in a tubular body by a material having excellent chemical resistance and having insertion portions at the ends of the perm rods (A, B) at both ends. Inserted rubber stopper groove (A ',
B ') has a structure provided with one or more projections (2C) to be fitted therein. 3. The perm rod connecting part according to claim 1, wherein at least one or more rubber stoppers (4) are provided at one or both ends. The perm rod joint part as described.