The present invention relates to a ring manufacturing method, which forms two rings by processing the metal body, an apparatus of the same and a ring manufactured by the ring manufacturing method.
Mokumegane is a special metal working technology which Japan is proud of in the world. The special processing process exceeds the frame of mere technology, and reaches even an ideological and mental domain called the dialog of a material and a producer.
After carrying out the lamination and joint of the metal plates with different colors and twist processing, the surface is carved by chisel or the trill-like tool, then “mokume” patterns are formed on the surface by forging into plate with hammer.
By the way, when manufacturing rings of the pair by the Mokumegane technique, there are some requests for forming a common feature pattern.
Conventionally, the metal plate is laminated two or more metal plates, and obtained from the twist processing step. And the metal plate is cut into two, the rings are created by processing each metal plates.
According to the manufacturing method of the ring of the prior art, two rings obtained from one metal plate have common characteristic pattern formed by Mokumegane techniques.
By the way, aforementioned products such as rings of the pair, the design strongly reminiscent concept that the rings are born (made) from the same one thing is required.
An object of the present invention is to provide a ring manufacture method and the apparatus capable to manufacture rings with the design strongly reminiscent concept that the rings are produced (made) from the same one thing and rings manufactured by the ring manufacture method.
A first invention is a ring manufacturing method comprising: a ring formation step processing a lineal member of a ring shape to form a first ring portion and a second ring portion; and a cut step cutting a binding portion of the first ring portion and the second ring portion.
Preferably the ring manufacturing method of the fist invention further comprises: a oval formation step forming an oval-formed lineal member, wherein the ring formation step twists the oval-formed lineal member near the center of a long distance direction and form the first ring portion and the second ring portion on both sides of the binding portion which occurred by the twist, and the cut step cuts the binding portion which is the binding portion.
Preferably the ring formation step of the ring manufacturing method of the fist invention twists the lineal member a plurality of times.
Preferably the ring formation step of the ring manufacturing method of the fist invention twists the oval-formed lineal member near the center of a long distance direction while pulling both sides of the lineal member to the direction that the first ring portion and the second ring portion separate mutually.
Preferably the ring manufacturing method of the fist invention further comprises a oval formation step forming an oval-formed lineal member, and the ring formation step join portions near the center by pressing the portions near the center of the long distance direction of the oval-formed lineal member to form the first ring portion and the second ring portion at both sides of a conjunction portion, and the cut step cuts the conjunction portion.
Preferably the ring manufacturing method of the fist invention further comprises: a lamination step laminating a plurality of metal plates; a junction step joining the plurality of metal plates laminated in the lamination step by heating; a twist step twisting the plurality of metal plates joined in the junction step; a flat step processing the plurality of metal plates into a flat shape after the twist step; and a formation step processing the metal plates formed in the flat step to form a single ring.
A ring manufacturing apparatus of the second invention comprises: a ring formation means for processing a lineal member of a ring shape to form a first ring portion and a second ring portion; and a cutting means for cutting a binding portion of the first ring portion and the second ring portion.
A ring of the third invention is manufactured by: a ring formation step processing a lineal member of a ring shape to form a first ring portion and a second ring portion; and a cut step cutting a binding portion of the first ring portion and the second ring portion.
Hereinafter, embodiment of the present invention will be explained by using drawings.
In the present embodiment, the case of manufacturing a ring for male (an example of the first ring of the present invention) and a ring for female (an example of the second ring of the present invention) by Mokumegane techniques will be explained.
In the present embodiment, the oval rings 25 shown in
Then, as shown in
Then obtain the rings for male 2 and the rings for female 3 shown in
All or parts of the following steps are performed by hand or machine.
Two or more metal plates with different quality of the materials are prepared. In this embodiment, 15 metal plates are prepared.
As the material of a metal plate, platinum (Pt), gold (Au), silver (Ag), copper (Cu), brass, titanium (Ti), iron (Fe), nickel (Ni), stainless steel, tantalum (Ta), or these mixtures are used.
Each metal plate consists of different materials with the character recognized visually, such as colors and degree of the gloss, differs. The thickness of the metal plates is approximately 0.1 to 1.0 mm. In addition, there should be at least two kinds of metal plates with different quality of materials. Moreover, more than two metal plates with same materials may be used among two or more metal plates.
Next, as pretreatment before junction, two or more metal plates are ground using sandpapers No. 600, No. 800, No. 1000, No. 1200, No. 1500 and so on. Then, charcoal grinding is used together and the surface is finished uniformly carefully.
Next, the multi-layered metal body (for example, laminated two or more metal plates of the present embodiment) is formed by laminating two or more metal plates and joining the (11) together.
Here, order of lamination is determined in consideration of a final design (feature pattern).
[Junction step (Step ST14)]
Junction of metal plats is performed by attaching the metal plates and giving pressure in a way in which the plastic deformation of the metal plate does not occur as possible in the temperature conditions below the melting point of the metal plate.
The conditions at the time of performing diffusion junction are as follows. Namely, it carries out by heating and pressurizing between 500 and 1200 degrees C. and between 200 and 500 kgf/cm2. In addition, junction of the metal plates can be performed using wax.
Next, after inspecting details and removing imperfect portion of the lamination, shown in
Then, reverse several times as shown in
The forged angle stick is subjected to twist carefully and little by little with heating and annealing process while paying attention to lamination order. At this point, process of twisting with heating, process of cooling and process of annealing are repeated sequentially.
As shown in
Next, delineate and linearize the components with angle stick shape obtained in step ST17.
[Round Shape Ring Formation Step (step ST19)]
Then, form the circular rings 23 shown in
[Oval Ring Formation Step (step ST20)]
Next, form the oval rings 25 shown in
[First Twist Processing Step (step ST21)]
Then, as shown in
[Second Twist Processing Step (step ST22)]
Afterward, as shown in
[Third Twist Processing Step (step ST23)]
Next, as shown in
From this, the ring portion for male 31 and ring portion for female 33 are created both sides of the oval rings 25.
Furthermore, aforementioned twist processing steps ST21, ST22 and ST23 is performed by pulling the ring portion for male 31 and ring portion for female 33 of the oval rings 25 to the direction away from each other.
[Cutting Binding Portion Step (step ST24)]
Next, obtain the rings for male 2 and rings for female 3 shown in
At this point, the convex portion 2a of the rings for male 2 and the convex portion 3a of the rings for female 3 are obtained by cutting the binding portion, allows the rings to have the appearance image of born (made) from the same one thing.
As described above, in the present embodiment, aforementioned procedure are capable to manufacture the rings for male 2 and rings for female 3 with the design strongly reminiscent concept that the rings are born (made) from the same one thing
Hereinafter a method for manufacturing a ring in the present embodiment will be explained.
In the present embodiment, form the oval rings 125 shown in
Afterward, as shown in
As shown in
All or parts of the steps shown in
Steps ST11 to ST20 in
[Press Around the Center (step ST31)]
As shown in
[Cutting the Binding Portion (step ST32)]
As shown in
At this point, the convex portion 102a for the rings of male 2 and the convex portion 103a of the rings for female 3 are obtained by cutting the junction, allows the rings for male 102 and rings for female 103 to have the appearance image of born (made) from the same one thing.
As described above, in the present embodiment, by manufacturing the rings for male 102 and the rings for female 103 by aforementioned procedure, the rings for male 2 and rings for female 3 with the design strongly reminiscent concept that the rings are born (made) from the same one thing are manufactured.
This invention is not limited in the embodiment mentioned above. Namely, regarding the component in the embodiment mentioned above, a person skilled in the art can do various changes, combination, sub-combination and substitution in the technical or equivalent scope of this invention.
For example, the present invention is also applicable to the metal pair manufacturing equipment execute aforementioned step using the specific hardware (means).
In aforementioned embodiment, the method of forming two rings from one metal body is exemplified. However present invention is also applicable to the case of forming some goods from the metal body. Ornaments such as rings, pendants, necklaces, earrings, cufflinks, brooches, tie tacks, bangles, buckles, chokers, bracelets and so on are applicable.
Besides the ornaments, for example, knives, swords, spoons, jewelry boxes made of precious metal, vases and basins made of precious metal, compacts, watches and smokers' articles are applicable.
In addition, number and thickness of the metal plate 11 are arbitrary.
This invention is applicable to the ring manufacture method by processing a metal object.
Number | Date | Country | Kind |
---|---|---|---|
2011-183652 | Aug 2011 | JP | national |