JPH076810Y2 - Ring - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a light-weighted ring that has a good finger touch.

[0002]

2. Description of the Related Art Conventionally, as a ring having a hollow ring portion, as shown in FIGS. 4 and 5, a plate material is bent into a tubular shape, and is further bent into a ring shape. There is.

In this case, the seam 12 is made to pass through the inner peripheral surface of the ring portion 11 as shown in FIG. 4, and the seam 12 is made to pass through the outer peripheral surface of the ring portion 11 as shown in FIG. ing.

Further, as shown in FIG. 6, the seamless pipe 13
It is also known that the ring portion 11 is formed by cutting into a ring and is homogeneous and has improved mass productivity.

[0005]

However, in the case where the seam 12 passes through the inner peripheral surface of the ring portion 11, there is a drawback that the seam 12 portion touches a finger and the feeling during use is poor.

On the other hand, in the case where the seam 12 passes through the outer peripheral surface of the ring portion 11, the seam 12 portion impairs the appearance and the seam 12 portion shifts during use, and the commercial value is further improved. There was a drawback that it decreased.

Further, joining the seam 12 portion by brazing or the like is very troublesome in that the work is troublesome and also the work of polishing and finishing the brazed portion is required.

Further, in the case where the ring portion 11 is formed by cutting the seamless pipe 13 into round slices, it is necessary to grind the cut end face and perform the R processing.
Almost no work has been reduced. Moreover, there was a tendency to have a flat appearance.

[0009]

The ring of the present invention is intended to solve the above-mentioned drawbacks of the conventional example, and a seamless pipe made of a noble metal is bent into a ring shape to form a ring portion, and the opposite ends thereof are joined. It is characterized by having done.

Another feature is that the opposite ends of the ring portion are joined together via a jewelry stand.

[0011]

[Function] Since the ring of this invention is configured as described above,
Since there is no seam portion, the usability is very good, and the defect that the seam portion impairs the appearance can be eliminated.

Further, it has been possible to eliminate the drawback that the seam portion shifts during use to lower the commercial value.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the ring of the present invention will be described in detail below with reference to the drawings.

1 and 2, reference numeral 1 denotes a ring, and the ring portion 2 is formed by bending a seamless pipe 3 made of a noble metal into a ring shape.

In the above bending process, the diameter of the seamless pipe 3 and its thickness, the bending property such as extensibility of the precious metal material, etc. are taken into consideration so that the seamless pipe 3 does not become flat or wavy. It is desirable to do.

The ring 1 in which the ring portion 2 is formed in this manner is completed by attaching jewel stands 4 to the opposite ends thereof and joining them through means such as brazing. .

FIG. 3 shows an example of the cross-sectional shape of the seamless pipe 3, and various cross-sectional shapes such as a circular cross section (a), a square or other rectangular cross section (b), and a triangular cross section (c) are obtained. be able to. Such a cross-sectional shape can be arbitrarily formed by the shape of the die used when the seamless pipe 3 is obtained by drawing or the like.

[0018]

[Effect of the Invention] Since the ring of this invention is constructed as described above, it is very lightweight because it is hollow, and it has a very good usability because there is no seam portion, and the seam portion impairs the appearance. I was able to eliminate the drawback that it was

Further, the disadvantage that the seam portion shifts during use to lower the commercial value can be solved, and even if the ring portion is deformed according to the outer diameter of the finger during use, the finger may be damaged or the appearance may be greatly reduced. There is no loss in

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a ring of the present invention.

FIG. 2 is an enlarged sectional view thereof.

FIG. 3 is a sectional view showing an example of a sectional shape of a seamless pipe.

FIG. 4 is a perspective view of a conventional example.

FIG. 5 is an enlarged cross-sectional view of another conventional example.

FIG. 6 is a perspective view of a processed state of still another conventional example.

[Explanation of symbols]

 1 Ring 2 Ring part 3 Seamless pipe 4 Jewelery stand 11 Ring part 12 Seam 13 Seamless pipe

Claims (1)

[Scope of utility model registration request] 1. A ring characterized by bending a precious metal seamless pipe (3) into a ring shape to form a ring portion (2), the opposite ends of which are joined via a jewelry stand (4) .