JP2763512B2 - Ring accessories - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ornament, particularly a ring-shaped ornament such as a ring or a bracelet.

[0002]

2. Description of the Related Art Various ring-shaped accessories such as rings, earrings, and bracelets have been manufactured and sold. Of these, the relatively expensive ones are gold, silver,
It is made of precious metals such as platinum, and is often heavy for its size. Also, these expensive ring-shaped accessories are mostly handmade and are not suitable for mass production.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to reduce the strength of a conventional product despite its light weight. The present invention is intended to provide a ring-shaped accessory that can be mass-produced, with an appearance no less than that of a conventional expensive product.

[0004]

In order to achieve the above object, a ring-shaped accessory according to the present invention basically comprises a strip member having a shape such that a thin metal tube is divided into two equal parts along its longitudinal direction. , A ring shape, a parallel multiple ring shape or a spiral shape with the cut surface on the inside.

According to the present invention, a ring-shaped ornament is
A pair of hinged semicircular halves is formed of a strip member having a shape such that a thin-walled metal tube is divided into two equal parts along its longitudinal direction, and a pair of halves is provided with engaging and disengaging means provided at free ends thereof. A pair of halves are configured to form one ring.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on illustrated embodiments. Embodiment 1 FIG. 1 is a perspective view showing an opened state of a ring-shaped accessory, and FIG.
FIG. 4 is a perspective view of the engaging / disengaging means in a state where the ring-shaped accessory is closed. In the drawing, reference numerals 1 and 2 denote a pair of semicircular halves each composed of a strip member having a shape as if the thin-walled metal tube is divided into two equal parts along its longitudinal direction, and one end of each half is hinged by a pivot pin 3. . These semicircular halves 1 and 2 have their dimensions so that when they rotate about the pivot pin 3 and abut their free ends, one complete ring is formed. And curvature are selected. The shape of the ring body may be a perfect circle or an ellipse.

The free edges of the semicircular halves 1 and 2 are formed with edging portions 1a and 2a, respectively, to prevent the edges from being damaged at the time of contact and to damage the wearer's skin. Not to be. Numeral 4 has the same curvature as the curvature of the free end of the semicircular half 2, one end of which is fixed inside the free end of the semicircular half 1 and a pair of pivot pin support portions 4a at the other end. , 4a have substantially the same curvature as the arc-shaped piece 4, and have one end pivotally attached to a pivot pin 6 mounted between the pivot pin support portions 4a, 4a and the other end. Is an arc-shaped piece having a recess or hole 5a and a knob 5b. Reference numeral 7 denotes a coil spring interposed between the arcuate pieces 4 and 5 to resiliently press these arcuate pieces in a direction away from each other.
A restraining device is provided at the pivotal portion of the arc-shaped piece 5 so that the arc-shaped piece 5 is held at the position shown in FIG. 1 without separating from the arc-shaped piece 4 more than necessary. The arc-shaped pieces 4 and 5
A pair of semi-circular halves 1 and 2 constitutes an engagement / disengagement means for coupling the two semi-circular halves 1 and 2 into one ring shape. When the pair of semi-circular halves 1 and 2 are coupled, as shown in FIG. And the recess or hole 5a of the arc-shaped piece 5
When the pin 8 implanted inside the free end of the semicircular arc half 2 fits into the inside, the stored state is maintained.

[0008] Since the first embodiment is configured as described above, for example, when fitted to a wrist as a bracelet,
In the open state as shown in FIG.
If the other hand inserts the tip of the engagement / disengagement means (the pivotal part of the arc-shaped pieces 4 and 5) into the free end of the semi-circular half 2, the arc-shaped piece 5 is drawn as shown in FIG. When the insertion is completed, the recess or hole 5a is fitted with the pin 8 by the resilience of the coil spring 7,
The semicircular halves 1 and 2 are combined and put in the mounted state.
Further, when detaching from the mounted state, the knob 5b is pushed in to disengage the pin 8 from the recess or the hole 5a, and the semicircular halves 1 and 2 are opened.

The ring-shaped ornament has a semicircular half 1
Alternatively, jewelry and ornaments can be attached to the middle part of 2, but since the main body is shaped like a bisected thin metal tube along the longitudinal direction, it is extremely lightweight It has a sufficient bending strength and is very suitable as an accessory.

Embodiment 2 FIG. 3 is a perspective view of this embodiment. In the figure, reference numeral 9 denotes a ring main body formed by forming a strip member having a shape as if a thin-walled metal tube is bisected in the longitudinal direction thereof into a ring shape so that the cut surface 9a is on the inside, and 10 denotes a ring main body. A circular tubular jewel mounting pedestal 11, which is fitted in a cut-out portion 9b, is a column-shaped support member fixed to the pedestal 10 and supporting an ornament such as a jewel 12. The jewel mounting pedestal 10 is formed by cutting a thin metal tube having an outer diameter larger than the outer diameter of the original tube from which the ring body 9 is to be produced, and then cutting a part thereof.
The cut surface 10a is fixed by brazing or the like so that the cut surface 10a is flush with the side edge of the ring main body 9.

Since the present embodiment is constructed as described above, the appearance at the time of mounting gives the same heavy feeling as that of the conventional product and can maintain a sufficient strength despite its extremely light weight. . Further, the outer diameter of the pedestal 10 is larger than the outer diameter of the ring main body 9, and the cut surface 10 a of the pedestal is mounted flush with the side edge of the ring main body 9. The shape protrudes laterally from the side surface of the ring, and an unbalanced beauty can be given to the entire ring.

FIGS. 4 and 5 each show a modification of the second embodiment. That is, in the modification shown in FIG. 4, a cavity 9b formed by cutting a part of the ring main body 9 is connected by an oval base 10 ', and a jewel 12 is mounted on the base. In the modification shown in FIG. 5, the pedestal 10 "is formed of an arc-shaped piece curved in a direction opposite to the circular arc of the ring main body 9, and a plurality of jewels 12 are mounted on the pedestal 10". These modifications also have the same effects as described in the second embodiment.

Embodiment 3 FIG. 6 is a perspective view of this embodiment. In the figure, reference numeral 13 denotes a ring main body formed by spirally winding three times a strip member, such as a thin metal tube divided into two equal parts along its longitudinal direction, with the cut surface 13a facing inward. However, in this embodiment, during the transition from the first winding to the second winding and between the second winding to the third winding to provide the oval pedestal 14 on which the jewelry 12 is placed, The modified strip pieces 13A, 13 formed in the same manner as the ring body, respectively.
B are connected to each other by a method such as brazing. Note that both ends of the ring main body 13 are closed with cylindrical plugs so that both ends have a rounded feeling.

Since the present embodiment is constructed as described above, it is possible to give more weight and luxury to the exterior in spite of its relatively light weight. In this case, the number of turns is not particularly limited, and the shape of the pedestal 14, that is, the shapes of the strip pieces 13A and 13B can be variously selected. Further, if the color is changed every turn or half, the value as an accessory can be further increased.

Embodiment 4 FIG. 7 is a perspective view of this embodiment. In the drawing, reference numerals 15, 16 and 17 denote strip members each having a shape as if a thin-walled metal tube were bisected in the longitudinal direction.
A ring main body, which is formed in a ring shape with the same diameter so that 16a and 17a are on the inner side, and both ends are opposed to each other at the same interval, and 18 is a strip member formed similarly to the ring main body. Is formed into a U-shape, and one end is connected to one end of the ring main body 15, and the other end is connected to one end of the ring main body 17 by brazing or the like, respectively. 19 is a connecting piece surrounded by the connecting piece 18. 18 and one end of the ring main body 16 and the jewelry 1 fixed to the other end of the ring main body 17 by brazing or the like.
2 is a pedestal for mounting the pedestal. Ring body 15 and 16
Are fixed to the connecting piece 18 by brazing or the like. The adjacent portions along the circumference of the ring main bodies 15, 16, and 17 may be joined to each other by brazing or the like as necessary.

Since the present embodiment is constructed as described above, it is possible to give a sense of weight and luxury in appearance in spite of its relatively light weight.

FIGS. 8, 9 and 10 show modifications of the fourth embodiment which are different from each other. That is, the modified example shown in FIG. 8 is configured by integrally connecting the ring bodies 20 and 21 prepared by the method described with reference to FIG. 3 by brazing the pedestals 20a and 21a. . FIG.
In the modification shown in FIG. 5, both ends of each of the ring bodies 22 and 23 are separated, and a pedestal 24 for mounting the jewelry 12 is fixed to one end of each of the ring bodies 22 and 23 by brazing or the like. The ring bodies 22 and 23 are integrated,
The jewelry 12 is separately attached to the other end of each of the ring bodies 22, 23. Further, the modification shown in FIG. 10 is different from the modification shown in FIG. 9 in that the ring bodies 22 and 23 are slightly apart.

Although the present invention has been described with reference to the case where the present invention is applied to a ring in FIGS. 3 to 10, it is also possible to apply the present invention to a ring-shaped accessory for other uses such as a bracelet. The embodiments described above and the modifications thereof are exemplifications, and various other modifications and corrections are possible, but they all belong to the scope of the present invention.

[0019]
Next, as an example, a casting mold for mass production of the ring-shaped accessory according to the embodiment shown in FIG.
The manufacturing method will be described. First, as shown in FIG. 11, it is relatively soft and easy to process.
A metal tube 9 'having a predetermined length of about mm is prepared. Next, a metal wire (for example, a copper wire) W having a diameter that easily slides into the metal tube 9 'is inserted therethrough (see FIG. 12), and formed into a ring shape as shown in FIG. At this time, a lubricant is applied to the surface of the metal wire to make it slippery. Next, in this state, the metal wire W is pulled out of the tube 9 ', and both ends of the tube 9' are aligned as shown in FIG. In this case, the metal wire W can be smoothly pulled out without deforming the ring shape of the tube 9 'by the action of the lubricant.

Next, the tube ring 9 'thus obtained is divided into two equal parts along its longitudinal direction using an appropriate jig and cutting means, and the divided surface is finished so as to be smooth. The prototype of the ring main body 9 is completed as shown. Next, a hole having an appropriate diameter is formed in the prototype of the ring main body 9 as shown by a broken line in FIG. 15, and a pedestal ring 10A prepared in advance is fitted into the hole (see FIG. 16). A part of the ring is cut off so as to be flush with the side edge of the ring main body 9, and after finishing this cutout, it is brazed to the ring main body 9 to complete the prototype of the jewel mounting base 10 (FIG. 17). reference). Thereafter, the support member 11 is brazed into the pedestal 10 via the mounting ring 11 '(see FIG. 18), and the mounting ring 11' is formed.
Is also cut and finished in accordance with the cut portion of the pedestal 10 to complete the prototype of the ring shown in FIG. 3 as shown in FIG.

A ring can be mass-produced by preparing a mold by a conventionally known method using the prototype completed through the above-described steps, and performing casting using the mold. The cast ring is plated with various kinds of metal, and the support member 10
The product is completed by attaching jewelry and ornaments to the product. Therefore, the ring can be provided at a significantly lower cost than conventional rings of this type.

Although the method for mass-producing the embodiment shown in FIG. 3 as the ring-shaped accessory according to the present invention has been described above, this mass-production method can be applied to the various embodiments and modifications shown in FIGS. 1, and in the case of the embodiment shown in FIG.
Since this mass production method can be applied to the semi-circular half 2 and the arc-shaped piece 5 as parts, it can be provided at a relatively low cost, though it requires some assembling steps.

[0023]

As described above, according to the present invention, a ring-shaped accessory which has the same strength as a conventional product despite being light in weight and which can maintain the same luxurious appearance as the conventional product. It can be provided at a very low price.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a ring-shaped accessory according to the present invention.

FIG. 2 is a perspective view showing a locked state of an engaging / disengaging means used in the embodiment of FIG. 1;

FIG. 3 shows another embodiment of the ring-shaped ornament according to the present invention .
FIG.

FIG. 4 is a perspective view showing a modification of the embodiment of FIG. 3;

FIG. 5 is a perspective view showing another modification of the embodiment of FIG.

FIG. 6 is a perspective view showing still another embodiment of the ring-shaped ornament according to the present invention.

FIG. 7 is a perspective view showing still another embodiment of the ring-shaped accessory according to the present invention.

FIG. 8 is a perspective view showing a modification of the embodiment of FIG. 7;

FIG. 9 is a perspective view showing another modification of the embodiment of FIG. 7;

FIG. 10 is a perspective view showing still another modification of the embodiment of FIG. 7;

FIG. 11 is a perspective view of a metal tube used for forming a strip member to be a main body of the ring-shaped ornament according to the present invention.

FIG. 12 is a perspective view showing a first step for manufacturing the ring-shaped accessory shown in FIG. 3;

FIG. 13 is a perspective view showing a second step for manufacturing the ring-shaped accessory shown in FIG. 3;

FIG. 14 is a perspective view showing a third step for manufacturing the ring-shaped accessory shown in FIG. 3;

FIG. 15 is a perspective view showing a fourth step for manufacturing the ring-shaped accessory shown in FIG. 3;

FIG. 16 is a perspective view showing a fifth step for manufacturing the ring-shaped accessory shown in FIG. 3;

FIG. 17 is a perspective view showing a sixth step for manufacturing the ring-shaped accessory shown in FIG. 3;

FIG. 18 is a perspective view showing a seventh step for manufacturing the ring-shaped accessory shown in FIG. 3;

FIG. 19 is a perspective view showing an eighth step for manufacturing the ring-shaped accessory shown in FIG. 3;

[Explanation of symbols]

1, 2 semicircular half 3, 6 pivot pin 4, 5 arc piece 5a recess or hole 5b knob 7 coil spring 8 pin 9, 13, 15, 16, 17, 20, 21 ring body 9 'metal tube 10, 10' , 10 ", 14, 19, 20a, 21a
Jewel mounting pedestal 10A Pedestal ring 11 Support member 11 'Mounting ring 12 Jewelry 13A, 13B Strip piece 18 Connecting piece

Claims (7)

(57) [Claims] 1. A pair of semicircular arcuate halves hingedly connected to each other is formed of a strip member having a shape such that a thin metal tube is divided into two equal parts along its longitudinal direction, and is provided at a free end of the pair of halves. A ring-shaped accessory configured such that the pair of halves are joined into one ring by the engaging / disengaging means. 2. The method according to claim 1, wherein the engaging / disengaging means is fixed to one free end of the pair of halves and is concentric with the halves, and is pivotally attached to the free end of the first arc. A second arc-shaped piece having a knob and a recess or a hole adjacent to the knob at the free end concentric with the half, and being interposed between the first arc-shaped piece and the second arc-shaped piece, these arc-shaped pieces are A spring that resiliently presses in a direction away from each other, and is provided at the other free end of the pair of halves, and the pair of halves are combined into a single ring with the first and second arc-shaped pieces included therein. The ring-shaped accessory according to claim 1, comprising a projection fitted into the recess or the hole. 3. The ring-shaped accessory according to claim 1, wherein one of the pair of semicircular halves includes a jewel mounting pedestal. 4. A ring-shaped accessory which is formed by forming a strip member having a shape such that a thin-walled metal tube is bisected in the longitudinal direction thereof into a ring shape with a cut surface inward. 5. A ring-shaped accessory comprising a strip member having a shape as if a thin metal tube is divided into two equal parts along its longitudinal direction, and having a spiral shape of one or more turns with the cut surface inward. . 6. The ring-shaped accessory according to claim 4, wherein the strip member includes a jewel mounting pedestal. 7. A plurality of strip members each having a shape as if a thin metal tube were divided into two equal parts along its longitudinal direction, and formed in a ring shape with the cut surface facing inward. A ring-shaped accessory that is integrally connected via a jewel mounting pedestal.