JPH07148011A - Metallic ornamental chain - Google Patents

Abstract

PURPOSE:To provide a reversible product by forming symmetrical ornamental portions, a component piece having a lock projection at the end of its constricted portion between the ornamental portions, and a component piece having both a lock projection and an oblong lock hole, and locking the lock projection into the oblong lock hole thereby connecting the desired number of component pieces together. CONSTITUTION:A thin piece of a different metal such as gold is punched using a die to form ornamental portions 10a, a constricted portion 10b' and a lock projection 10c, and a semi-metallic ornamental chain 10' having between the ornamental portions 10a an oblong hole 10e through which the ornamental portions 10a of another chain are passed is formed. Also, a thin piece of platinum or the like is punched to form a semi-metallic ornamental chain 10'' having ornamental portions 10a, a constricted portion 10b'', a lock projection 10c, an oblong hole 10d through which the lock projection 10c of the ornamental chain 10' is passed, and an oblong hole 10e for connecting the ornament 10a of the other chain. A number of chains in each of which the lock projection 10c of the ornamental chain 10' is bent and inserted into the oblong hole 10d of the ornamental chain 10'' are formed and locked into oblong connecting holes 10e to provide a series of chains. A reversible product is thereby fabricated at low cost.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal decorative chain used as a necklace, a bracelet, or any other suitable decorative chain, especially a reversible metal decorative chain whose material, color or pattern can be changed by turning it over. It is about.

[0002]

2. Description of the Related Art A conventional metal decorative chain is disclosed in Japanese Utility Model Publication No. 61-29298. As shown in FIG. 4, this is matched with the decorative portions 2a and 2b on both sides of the constricted portion 1 of the decorative metal plate 2 folded at the constricted portion 1 when the decorative metal plate 2 is folded. The connecting elongated holes 3a, 3b are provided, and as shown in FIG. 5, the next decorative connecting hole 3a, 3b is folded at the constricted portion 1 of the decorative metal plate 2 and is connected to the matching connecting elongated holes 3a, 3b. Constriction 1 inserted through the decorative part of metal plate 2
Fold in, and in this way, the decorative metal plate 2
Is to be organized.

[0003]

However, the metallic decorative chain disclosed in Japanese Utility Model Publication No. 61-29298 is used for decoration by simply press-molding a thin metal plate of the same material, color and pattern. Since the metal decorative chain was formed by forming the metal plate 2 and knitting it as described above, even if the metal decorative chain is turned over, the same material, color and pattern are obtained, and the design is monotonous. I was not satisfied with it.

An object of the present invention is to solve the above problems and to provide a reversible metal decorative chain whose material, color and pattern can be changed by turning it over.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention contemplates the constricted portion 10b of a metal decorative chain component 10 having decorative portions 10a, 10a and a constricted portion 10b between them symmetrically. Separated from the middle of the
Forming engaging projections 10c, 10c at the ends of the constricted portions 10b ', 10b "of the semi-metallic decorative chain component pieces 10', 10" having different materials, colors and patterns, and at least one semi-metallic material An engaging elongated hole 10d capable of engaging with the engaging convex portion is formed in the constricted portion of the decorative chain constituent piece, and the engaging convex portion 10c of the other semi-metallic decorative chain constituent piece is formed in the engaging elongated hole 10d. To form a metal decorative chain constituent piece 10, and a large number of the bent portions in the middle of the engaged constricted portion 10b are sequentially formed in a part of the decorative portions 10a, 10a. The metal decorative chain is characterized in that the bent portions 10b of the other metal decorative chain component 10 are knitted by engaging the bent constricted portions 10b with 10e, 10e.

[0006]

Since the metal decorative chain of the present invention is constructed as described above, the engaging length formed in the constricted portion 10b "of the semimetal decorative chain constituent piece 10" of one of different materials, colors and patterns. The engaging projection 10c of the other semi-metallic decorative chain component 10 'is engaged with the hole 10d to form the metallic decorative chain component 10, and the engaged constricted portion 10 is formed.
A large number of metal chains that are bent in the middle of b are sequentially connected to the long holes 10e and 10e for connection, which are formed in a part of the decoration portions 10a and 10a that form the semi-metal decoration chain constituent pieces. Since the metal decoration chain is knitted by engaging the bent constriction portion 10b through the decoration portion 10a of the component piece 10, the reversible metal decoration chain can be changed inside out to change the material, color and pattern. Can be configured relatively easily.

[0007]

Embodiments of the reversible metal decorative chain of the present invention will now be described in detail with reference to the drawings. First, as shown in FIG. 1 (A), a thin metal of a different material, such as gold, is used. The plate is punched out by a die (not shown), the decorative portion 10a, the constricted portion 10b ', the engaging projection 10c at the end of the constricted portion 10b', and the decorative portion 10a can be inserted with another decorative portion 10a. Semi-metallic decorative chain component 1 having a connecting elongated hole 10e to which parts are connected
To form 0 '.

Further, as shown in FIG. 1B, for example, a thin metal plate made of platinum or the like is punched out by a die to form the decorative portion 10a, the constricted portion 10b ", and the constricted portion 10b". An engaging elongated hole 10d into which the engaging convex portion 10c of the semi-metal decorative chain component 10 'can be inserted and engaged in the longitudinal direction, an engaging convex portion 10c at the end of the constricted portion 10b ", and a decoration. Another semi-metallic decorative chain component 10 ″ having a connecting elongated hole 10e into which another decorative portion 10a can be inserted and a constricted portion is connected is formed in the portion 10a.

The engaging elongated hole 10d into which the engaging convex portion 10c of the semi-metallic decorative chain component 10 'is inserted and engaged in the longitudinal direction of the constricted portion 10b "is engaged with the engaging elongated hole 10d. The semi-metallic decorative chain component piece 10 ″ formed of a thin metal plate such as platinum) may be drilled.

The length b of the engaging elongated hole 10d formed in the constricted portion 10b "of the semi-metallic decorative chain constituent piece 10".
Is slightly longer than the width a of the engaging projection 10c of the semi-metallic decorative chain component 10 ', and the width c of the engaging elongated hole 10d is the constricted portion 10 of the semi-metallic decorative chain component 10'.
It is bored slightly longer than the width d of b '. The length e of the connecting elongated hole 10e formed in the ornamental portion 10a is slightly longer than the width f of the ornamental portion 10a, and the width g thereof is the constricted portion 10b "of the semi-metallic ornamental chain constituent piece 10". Is slightly wider than the width h.

The semi-metal decorative chain component pieces 10 ', 10 "thus formed are first constricted as shown in FIG. 2 (A). The portions 10b 'and 10b "are bent in advance as shown in the figure, and then, as shown in FIG. 9B, the engaging projections at the tips of the constricted portions 10b' of one semi-metal decorative chain component piece 10 'are formed. Engagement long hole 10d in which the part 10c is formed in the constricted part 10b "of the other semi-metallic decorative chain component piece 10"
Engage with. In this way, a large number of metal decorative chain constituent pieces 10 are prepared.

Then, the metal decorative chain component piece 1
No. 1 decoration part 10a, connecting elongated hole 1 formed in a part of 10a
0e, 10e are knitted by engaging the bent constricted portion 10b through the decorative portion 10a of the other metal decorative chain component 10 made as described above, and knitting, as shown in FIG. As shown in Fig. 3, a metal decoration chain made of metal such as gold appears on the surface and is turned over.
As shown in (B) of (1), a reversible metal decoration chain in which a metal decoration chain of platinum or the like appears on the surface can be configured.

[0013]

As described above, the present invention provides a reversible metal decorative chain, that is, as described above, a metal decorative chain constituting piece having constricted decorative portions in the constricted portion. , A semi-metallic decorative chain component separated from the middle of the constricted part and having a different material, color or pattern, and forming an engaging protrusion at the end of the constricted part, and at least one of the semi-metallic decorative chain components A metal engaging hole is formed in the constricted part of the piece so that the engaging convex part can be engaged, and the engaging convex part of the other semi-metallic decorative chain component piece is engaged with the engaging long hole. Forming a decorative chain component made of metal, a large number of those bent in the middle of the engaged constricted portion, in the connecting long hole sequentially formed in a part of the decorative portion, other metal decorative chain component Insert the bent part through the decorative part and bend it Since the metal decorative chain is knitted together, it is possible to provide a reversible metal decorative chain with different materials, colors and patterns such as gold or platinum by turning it over. There is.

[Brief description of drawings]

FIG. 1 is a view showing a semi-metallic decorative chain constituent piece having different materials, colors and patterns, which are constituent members of the present invention.

FIG. 2 is an explanatory view of forming a metal decorative chain component piece by engaging a semi-metal decorative chain component piece, which is a component of the present invention, at a constricted portion.

FIG. 3 is a view showing a reversible metallic decorative chain of the present invention.

FIG. 4 is a view showing a conventional metal decorative chain component.

FIG. 5 is a view showing a conventional metal decorative chain.

[Explanation of symbols]

 1 Constriction Part 2 Decorative Metal Plates 2a, 2b Decorative Parts 3a, 3b Connecting Long Holes 10 Metal Decorative Chain Components 10 ', 10 "Semi-Metal Decorative Chain Components 10a Decorative Parts 10b Constricted Parts 10b', 10b" Constriction portion 10c Engagement convex portion 10d Engagement elongated hole 10e Engagement elongated hole

Claims (1)

[Claims] 1. A material and a metal decorative chain component (10) having symmetrically arranged decorative parts (10a, 10a) and a constricted part (10b) therebetween, separated from the middle of the constricted part (10b). The constricted part (10) of the semi-metallic decorative chain component pieces (10 ', 10 ") with different colors and patterns
b ', 10b ") has an engaging projection (10c, 10c) at the end thereof.
And the engaging elongated hole (10d) with which the engaging protrusion can be engaged is formed at least in the constricted portion of the semi-metallic decorative chain component piece.
By engaging the engaging convex portion (10c) of the other semi-metallic decorative chain component piece with d), the metallic decorative chain component piece (1
0) and bent in the middle of the engaged constricted portions (10b), the decorative portions (10a, 10)
Long holes for connection (10e, 10e) formed in part of a)
In addition, the decorative part (1) of another metal decorative chain component (10)
The metal decorative chain is characterized in that it is knitted by engaging the constricted portion (10b) bent through 0a).