JP3153524B2 - Jewelry manufacturing method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an accessory and a method for manufacturing the same.

[0002]

2. Description of the Related Art As a conventional method of manufacturing accessories, a lost wax casting method described below is widely known.

(1) First, a prototype of an accessory is formed using a wax material. At this time, a pattern is engraved on the surface of the prototype in advance. (2) The mold is sandwiched between two pieces of silicon rubber, and the mold is filled in the hollow portion of the aluminum frame. (3) The silicon rubber filled in the aluminum frame is pressurized and heated by a hot press to solidify the silicon rubber. (4) Make a cut in the solidified silicone rubber,
The prototype is taken out of the silicone rubber, and a hollow portion having the same shape as the prototype is formed in the silicone rubber. (5) Using a wax pot, inject molten wax into the hollow portion of the silicone rubber. (6) The wax is cooled and solidified in the hollow portion of the silicone rubber to form a wax mold having the same shape as the original mold. (7) The steps (1) to (6) are repeated a plurality of times,
A plurality of wax molds are formed in advance. (8) A wax tree is formed by connecting a plurality of wax molds in a tree shape. (9) Insert a wax tree into the hollow container and pour the embedding agent into the hollow container. (10) The wax tree inside the hollow container is melted and dewaxed by an electric furnace, and the burying agent is fired. As a result, a hollow portion having the same shape as the wax tree is formed inside the solidified embedding agent. (11) Pour the metal melted by the burner into the hollow part of the embedding agent. (12) By cooling the buried agent injected with metal,
A metal tree is formed. (13) Jewelry can be manufactured by cutting necessary parts from a metal tree.

[0004] In the manufactured accessory, one pattern appears on the outer peripheral surface of one accessory.

[0005]

However, in the above-mentioned conventional accessories, since one pattern appears on the outer peripheral surface of one accessory, the decorative effect of the accessories is monotonous. Was something.

In the above-mentioned conventional method of manufacturing an accessory, when a pattern is formed on the surface of the accessory, a pattern is formed on the surface of a prototype made of a wax material, and the accessory is manufactured based on the prototype. (2)-(6)
Depending on the conditions such as temperature and pressure in each of the above steps, a manufacturing error may occur in the wax mold, and the shape of the manufactured accessory may vary.

[0007] For this reason, a pattern is formed on each surface of the two pieces of personal ornaments, and the two pieces of decorative articles are brought into contact with each other to produce a decorative pattern having a decorative effect such that one pattern appears. In this case, the shapes of the patterns formed on the individual accessories were varied, and even if the two accessories were brought into contact with each other, one pattern could not be clearly displayed.

Moreover, since the patterns are engraved on each prototype, the formation of the patterns requires skill and requires a great deal of labor and time.

[0009]

[0010]

[0011]

[0012]

According to the present invention, there is provided a method for manufacturing an accessory, which comprises forming a pattern on the surface of a wax mold and then manufacturing the accessory by a lost wax casting method. In a state where the side surfaces of the two wax molds are in contact with each other, a pattern is simultaneously formed on the surface of each wax mold.

According to the present invention, a pattern for forming a previously prepared pattern on the surfaces of the two wax molds in a state where the side surfaces of the two wax molds are in contact with each other. A wax mold for forming was attached, and then the wax mold for forming a pattern was separated into two to form a pattern on the surfaces of the two wax molds at the same time.

According to the third aspect of the present invention, a locking projection is formed on a contact surface of one of the two wax molds, and the engaging protrusion is formed on a contact surface of the other wax mold. A locking concave portion for locking to the stop convex portion is formed.

According to the present invention, the magnets are embedded in the two wax mold contact surfaces.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION An accessory manufactured by the manufacturing method according to the present invention forms one pattern by forming a pattern on the surface of each of the two accessories and bringing the side faces of the two accessories into contact with each other. In order to make the pattern appear.

Thus, the decorative effect of the accessory can be further enhanced.

In particular, a locking projection is formed on the contact surface of one of the two accessories, and a locking recess is formed on the contact surface of the other accessory, the locking recess being engaged with the locking projection. By doing
With the locking projection of one accessory and the locking recess of the other accessory locked, the sides of the two accessories are brought into contact with each other to allow one pattern to appear without displacement. Thus, the decorative effect of the accessory can be further enhanced.

By embedding the magnets in the contact surfaces of the two accessories, respectively, the side surfaces of the two accessories can be easily brought into contact by utilizing the magnetic force of the magnet, and the accessories can be further improved. Can enhance the decorative effect.

Further, the method for manufacturing an accessory according to the present invention comprises:
The accessory is manufactured by the lost wax casting method.

In addition, a pattern is formed on the outer peripheral surface of the wax mold instead of using a prototype in which a pattern is formed on the outer peripheral surface in advance.

Therefore, it is possible to form a patterned wax mold without depending on conditions such as temperature and pressure in each step from the original mold to the formation of the wax mold. Thus, it is possible to mass-produce accessories having substantially the same shape.

Moreover, since the patterns are simultaneously formed on the surfaces of the two wax molds in a state where the sides of the two wax molds prepared in advance are in contact with each other, the patterns are formed on the respective surfaces of the two accessories. By forming and making the side surfaces of two ornaments come into contact with each other, an ornament having a decorative effect such that one pattern appears can be easily and accurately manufactured.

In a state where the side surfaces of the two wax molds are in contact with each other, a pattern forming wax mold for forming a pattern prepared in advance is attached to the surfaces of the two wax molds. By separating the pattern-forming wax mold into two, by simultaneously forming a pattern on the surface of the two wax molds, anyone could easily apply the pattern without requiring skill to form the pattern. Jewelry can be manufactured.

[0025] Also, a locking projection is formed on a contact surface of one of the two wax molds with a wax shell, and a locking recess is formed on the contact surface of the other wax mold with the locking projection. In this state, the side surfaces of the two wax molds are brought into contact with each other while the locking projections of one wax type and the locking concave portions of the other wax type are locked. Can be prevented from being displaced from each other, and it is possible to more easily and accurately manufacture a decorative accessory having a decorative effect such that one pattern appears.

By embedding the magnets on the surfaces where the two wax molds are in contact with each other, the side surfaces of the two wax molds can be easily and reliably abutted by the magnetic force of the magnets. Thereby, a pattern can be easily formed on the surface of the wax mold.

[0027]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 3 are views showing a method of manufacturing an accessory according to the present invention.

First, a prototype 2 of the accessory 1 is formed using a wax material. The prototype 2 includes an annular prototype main body 3 and a rod-shaped injection path forming body 4 (see FIG. 1A).

Next, the prototype 2 is divided into two upper and lower silicone rubbers 5.
To fill the hollow portion 7 of the rectangular aluminum frame 6 (see FIG. 1B).

Then, the silicon rubber 5 filled in the aluminum frame 6 is pressurized and heated by using a hot press machine 8 to solidify the silicon rubber 5 (see FIG. 1 (c)).

Next, a cut is made in the solidified silicone rubber 5 with a knife 9 to take out the prototype 2 from the inside of the silicone rubber 5, and a hollow portion 10 having substantially the same shape as the prototype 2 is placed inside the silicone rubber 5. Form. The hollow portion 10 includes a main body hollow portion 11 corresponding to the prototype main body 3 and an injection channel hollow portion 12 corresponding to the injection channel forming body 4 (see FIG. 1D).

Then, using a wax pot 13, molten wax is injected from the hollow portion 12 for the silicone rubber 5 into the hollow portion 11 for the main body and the hollow portion 10 of the silicone rubber 5.
Is filled with wax (see FIG. 1 (e)).

Further, the wax filled in the hollow portion 10 of the silicone rubber 5 is cooled and solidified to form a wax mold 14 having substantially the same shape as the prototype 2.
And the wax mold 14 is taken out from the inside of the silicone rubber 5. The wax mold 14 includes a wax mold body 15 corresponding to the prototype body 3 and a wax mold injection path forming body 16 corresponding to the injection path forming body 4 (see FIG. 1 (f)).

The above steps are repeated a plurality of times to form a plurality of wax molds 14 in advance.

On the other hand, in the same manner as in the above step, a pattern forming wax mold 17 which is a mold for forming a pattern is formed.

Next, as shown in FIG. 2, the side surfaces of the two wax molds 15 of the two wax molds 14 are held in contact with each other. On the outer peripheral surface of 15, a wax mold 17 for pattern formation prepared in advance
Affix. The sticking is performed by heating the back surface of the pattern forming wax mold 17 with a burner, and then attaching the pattern forming wax mold 17 to the outer peripheral surface of the wax mold body 15.

Then, a wax mold for forming a pattern with a cutter
17 is cut and separated into two wax mold bodies 15.

In the present embodiment, the pattern is formed by attaching the pattern forming wax mold 17 to the wax mold 14, but the pattern is directly carved on the outer peripheral surface of the wax mold body 15 of the wax mold 14. May be provided.

Next, a plurality of wax molds 14 are thermally welded in a tree shape to a support 18 made of a wax material to form a wax tree 19 (see FIG. 3A).

Then, the wax tree 19 is inserted into the hollow container 20 and the embedding agent 21 is inserted into the hollow container 20.
(See FIG. 3 (b)).

Further, the burying agent 21 inside the hollow container 20 is baked by the electric furnace 22 to solidify the burying agent 21, and the wax tree 19 inside the hollow container 20 is melted and solidified. The wax tree 19 made of a wax material is discharged from the burying agent 21 (see FIG. 3C). As a result, a tree-like hollow portion having substantially the same shape as the wax tree 19 is formed inside the solidified embedding agent 21.

Next, the metal melted by the burner 24 is poured into the tree-shaped hollow portion of the embedding agent 21 by the centrifugal injector 23 (see FIG. 3D).

After cooling the embedding agent 21, the hollow container
The embedding agent 21 is taken out of the embedding agent 20, the embedding agent 21 is cut, and a metal tree 25 is taken out of the embedding agent 21 (see FIG. 3E).

Next, the accessory 1 (ring) is manufactured by cutting a necessary portion from the metal tree 25 (see FIG. 3 (f)).

The accessory 1 manufactured as described above has two
By bringing the side faces of the individual jewelry 1 into contact with each other, 1
Individual patterns can appear, and the decorative effect of the accessory 1 can be enhanced.

[0047]

As described above, in the present embodiment, the wax mold 14 is formed by using the prototype 2 in which a pattern is previously formed on the outer peripheral surface in the method of manufacturing an accessory using the lost wax casting method. Not a wax mold
Since the pattern is formed on the outer peripheral surface of the pattern 14, it is possible to form the patterned wax mold 14 without depending on conditions such as temperature and pressure in each step from the prototype 2 to the formation of the wax mold 14. By casting the accessory 1 using this, the accessory 1 having substantially the same shape can be manufactured in large quantities.

Moreover, two wax molds 14 prepared in advance are used.
Since the patterns are simultaneously formed on the surfaces of the respective wax molds 14 in a state where the sides of the two accessories 1 are in contact with each other, the patterns are formed on the respective surfaces of the two accessories 1 and the side surfaces of the two accessories 1 The accessory 1 having the decorative effect of making one pattern appear can be easily and accurately manufactured by bringing the two into contact with each other.

In a state where the side surfaces of the two wax molds 14 are in contact with each other, a pattern forming wax mold 16 for forming a pattern prepared in advance is attached to the surfaces of the two wax molds 14. Then, since the pattern-forming wax mold 16 is separated into two pieces, the patterns are simultaneously formed on the surfaces of the two wax molds 14, so that no skill is required to form the pattern, and anyone can do so. The accessory 1 with a pattern can be easily manufactured.

FIG. 4 is a view showing a wax mold 14 as another embodiment. In this embodiment, magnets 26 are buried at intervals on the side surface of the wax mold 14 (FIG. 4B). reference).

Using the magnetic force of the magnet 26, the two wax molds 14 are brought into contact with each other, and in this state, a wax mold for pattern formation (not shown) is adhered to the surfaces of the two wax molds 14. By doing so, a pattern is simultaneously formed on the surfaces of the two wax molds 14 (see FIG. 4A).

By embedding the magnets 26 on the surfaces where the two wax molds 14 are in contact with each other,
With the magnetic force of 26, the side surfaces of the two wax molds 14 can be easily and surely brought into contact with each other, whereby a pattern can be easily formed on the surface of the wax mold 14.

In this embodiment, the magnet 26 is buried on the side surface of the wax mold 14, but the magnet 26 may be buried on the side surface of the accessory 1. In this case, the two accessories 1 Can be easily brought into contact with each other, and one pattern can be easily made to appear with the two accessories, so that the decorative effect of the accessory 1 can be further enhanced.

FIGS. 5 and 6 are views showing a wax mold 14 as another embodiment. In this embodiment, one side (upper side) is shown.
A locking projection 27 and a locking recess 28 are formed on the lower end face of the wax mold 14, and the locking projection 27 and the locking recess 28 are formed on the upper end face of the other (lower) wax mold 14, respectively. Locking recess to lock
28 and a locking projection 27 are formed.

Therefore, the locking projection of one wax mold 14
The side surfaces of the two wax molds 14 are brought into contact with each other in a state where the locking recesses 27 of the other wax mold 14 are locked with the locking recesses 28 of the other wax mold 14, thereby preventing the respective wax molds 14 from being displaced from each other. And the accessory 1 having a decorative effect of making one pattern appear more easily and
It can be manufactured with high accuracy.

[0057]

The present invention is embodied in the form described above and has the following effects.

(1) According to the first aspect of the present invention, a pattern is formed on the surface of each of the two ornaments, and the side of the two ornaments is brought into contact with each other to display one pattern. The decorative effect of the jewelry can be further enhanced because it is configured to be brought out.

(2) According to the second aspect of the present invention, the locking projection is formed on the contact surface of one of the two accessories, and the locking projection is formed on the contact surface of the other accessory. Since the locking recesses for locking the parts are formed, the side faces of the two accessories are brought into contact with each other in a state where the locking projection of one accessory and the locking recess of the other accessory are locked. Thereby, one pattern can be made to appear without shifting, and the decorative effect of the accessory can be further enhanced.

[0060]

(1) In the first aspect of the present invention, the pattern is formed on the outer peripheral surface of the wax mold instead of forming the wax mold using the prototype in which the pattern is formed on the outer peripheral surface in advance. A wax mold with a pattern can be formed without depending on conditions such as temperature and pressure in each process from the prototype to the formation of the wax mold. Shaped accessories can be manufactured in large quantities.

Furthermore, since the patterns are simultaneously formed on the surfaces of the two wax molds in a state where the side surfaces of the two wax molds prepared in advance are in contact with each other, the patterns are formed on the respective surfaces of the two accessories. By forming and making the side surfaces of the two ornaments abut against each other, an ornament having a decorative effect such that one pattern appears can be easily and accurately manufactured.

(2) According to the second aspect of the present invention, a pattern prepared in advance is formed on the surfaces of the two wax molds in a state where the side surfaces of the two wax molds are in contact with each other. By attaching the pattern forming wax mold and then separating the pattern forming wax mold into two, the patterns are simultaneously formed on the surfaces of the two wax molds, so that skill is required to form the pattern. Anyone can easily produce a patterned jewelry without the need.

(3) According to the third aspect of the present invention, a locking projection is formed on the contact surface of one of the two wax molds and the contact surface of the other wax mold is formed on the contact surface of the other wax mold. Since the locking concave portion that locks to the locking convex portion is formed, two wax molds are locked in a state where the locking convex portion of one wax type and the locking concave portion of the other wax type are locked. By bringing the side surfaces into contact with each other, it is possible to prevent the respective wax molds from being displaced from each other, and it is possible to more easily and precisely provide a decorative accessory having a decorative effect such that one pattern appears. Can be manufactured.

(4) According to the fourth aspect of the present invention, the magnets are buried in the surfaces where the two wax molds are in contact with each other, so that the side surfaces of the two wax molds can be easily formed by the magnetic force of the magnets. And it can be made to contact reliably, and thereby a pattern can be easily formed on the surface of a wax mold.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a method for manufacturing a wax mold.

FIG. 2 is an explanatory view showing a method of forming a pattern on the surface of a wax mold.

FIG. 3 is an explanatory view showing a method for manufacturing an accessory from a wax mold.

FIG. 4 is an explanatory view showing a wax mold as another embodiment.

FIG. 5 is a front view showing a state in which two wax molds according to another embodiment are locked.

FIG. 6 is a perspective view showing a wax mold as another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Jewelry 2 Prototype 5 Silicon rubber 14 Wax type 17 Wax type for pattern formation 18 Wax tree 25 Tree 26 Magnet 27 Locking convex portion 28 Locking concave portion

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields investigated (Int. Cl. ⁷ , DB name) A44C 1/00-3/00 A44C ⁷ /00-27/00 B22C 7/02 B22C 9/04 B22C 9 / 22 B44C 1/20

Claims (4)

(57) [Claims] 1. A method for manufacturing an accessory according to the lost wax casting method , wherein two wax molds (14) prepared in advance have side surfaces in contact with each other. A pattern is simultaneously formed on the surface of each wax mold (14). 2. A pattern forming wax mold for forming a pattern prepared in advance on the surfaces of two wax molds (14) in a state where the side surfaces of the two wax molds (14) are in contact with each other. (17)
2. The accessory according to claim 1 , wherein a pattern is simultaneously formed on the surfaces of the two wax molds (14) by attaching the wax mold and separating the pattern-forming wax mold (17) into two pieces. Manufacturing method. 3. A locking projection (27) is formed on a contact surface of one of the two wax molds (14), and is formed on a contact surface of the other wax mold (14). claim 1 or請, characterized in that the formation of the locking recess (28) for engaging the engaging convexed latch portion (27)
The method for producing an accessory according to claim 2 . 4. A magnet (2) is provided on the contact surface of two wax molds (14).
6. The method according to claim 1, wherein
The method for producing an accessory according to claim 3 .