NZ552474A

NZ552474A - Health jewelry utilizing silicone elastomer and process for producing the same

Info

Publication number: NZ552474A
Application number: NZ552474A
Authority: NZ
Inventors: Yoshihiro Hirata
Original assignee: Phild Co Ltd
Priority date: 2004-06-15
Filing date: 2005-06-09
Publication date: 2009-12-24
Also published as: TWI290822B; CN1960655B; EP1767115A1; TW200605808A; CA2572573A1; AU2005253836A1; JP2006000147A; EP1767115A4; CN1960655A; WO2005122820A1; US20080041099A1; MXPA06014779A

Abstract

A process for producing a body jewelry constituted of a silicone elastomer jewelry main-frame comprising, arranged on its skin contact side, a silicone elastomer layer having titanium micropowder mixed therein, the titanium micropowder at least composed mainly of titanium micropowder obtained by carrying out combustion of a mixed gas of oxygen and hydrogen in water under high pressure and melting elemental metallic titanium by means of resultant combustion gas to thereby deposit titanium micropowder in the water, and comprising, arranged outside, ornamental protrudent streaks of silicone elastomer. In particular, there is provided a body jewelry, available in ring form, constituted of a silicone elastomer jewelry main-frame comprising, arranged on its skin contact side, a silicone elastomer layer having titanium micropowder mixed therein, and comprising, arranged outside, ornamental protrudent streaks of silicone elastomer, which silicone elastomer jewelry main-frame is obtained by first providing a silicone elastomer jewelry main-frame with a continuous depressed portion, subsequently planting a titanium-micropowder-containing silicone elastomer layer in the continuous depressed portion, separately preparing ornamental protrudent streaks of silicone elastomer, and finally mounting the formerly obtained jewelry main-frame on the ornamental protrudent streaks, followed by thermal vulcanization to thereby effect integration. Further, there is provided a process for producing the body jewelry.

Description

552474 1 KOD2Q4Z,OOOGEN PATENT HEALTH JEWELRY UTILIZING SILICONE ELASTOMER AND PROCESS FOR PRODUCING THE SAME Field of the Invention containing fine titanium powder which is worn on various parts of the body to promote health and to a process for manufacturing the same.

The body accessory of the present invention can be formed into a ring shape and used as it is, or alternatively, a multiple number of the body accessories are connected to form a ring shape when a certain length is required.

Background Technology

[0002] Conventionally, in manufacturing accessories, metal materials have been used and formed into projected shapes by means of pressing process, scraping process, grinding process, and the like. However, the design of accessories has become diversified and so the shapes of accessories have become more complicated, which makes it difficult to obtain projected shapes by conventional means and causes many problems in mass production. A process for manufacturing a sintered body for accessories such as watchcases and earrings by a metal powder injection method has also been known (Japanese Patent Application Laid-open No. 1997-53159}. Also, accessories having a blood circulation stimulating effect by magnet has.been known, in which fine magnetic powder is blended into a raw material which is not limited to a metal and can be synthetic resin, rubber and the like (Registered Japanese Utility Model No. 3 068758). Use of rubber and a synthetic resin as a material for forming ornamental accessories has been known; for example, accessories obtained by admixing shell powder or calcium

[0001] The present invention relates to a body accessory 552474 2 carbonate into a thermo-plastic synthetic resin material such as an acrylic resin and subjecting to an injection molding process ha.s been known (Japanese Patent Application Laid-open 1980-7456) .

[0003] On the other hand, a molding method using a silicone rubber material has been known and is relatively new as compared to molding methods using other rubber materials, which include a process for manufacturing,a silicone rubber patterned accessory in which a thin silicone rubber patterned sheet piece is arranged on a thick uncured silicone rubber sheet (Japanese Patent Application Laid-open Mo, 1988-57211) a process for / manufacturing a cloth swimming cap in which liquid silicone rubber is previously injected into a mold and then a cloth sheet is placed on the top for integration into a product with an excellent three-dimensional design (Japanese Patent Application Laid-open 1990-279312); a method in which silicone rubber is filled into a first mold and a second mold, and integrated with an interior accessory such as an electronic part in between (Japanese Patent Application Laid-open No. 1993-261744); a process for manufacturing a formed product comprising silicone rubber (millable gum) and a material for dresses and their ornaments (Japanese Patent Application Laid-open No. 1999-46810) ; and a process for manufacturing clothes and bags in which a silicone rubber sheet is cut in line with a mold r" K (Japanese Patent Application Laid-open KTo. 2000-317966) .

[0004] Further, methods for manufacturing personal ornaments using a silicone rubber material have also known, which include a process for manufacturing a multicolored pressed product such as a bracelet, an anklet, and a necklace in which multiple beads with various colors are placed into a silicone rubber ring in a mold (Japanese Patent Application Laid-open No. 2003-340855).

Since abovementioned conventional methods for manufacturing products with complicated shapes using metal materials are intellectual Property 1 Office of IM.Z. - h JAM 2007 received J RECEIVED at IPONZ on 06 November 2009 552474 3 complicated and troublesome, technology for the production of body accessories with projected shapes in a simple manner has been desired. In the present invention, body accessories can easily be manufactured by using a silicone elastomer material.

[0005] Patent Reference No. 1: Japanese Patent Application Laid-open No. 1997-053159 Patent Reference No. 2: Registered Japanese Utility Model No. 3068758 Patent Reference No. 3: Japanese Patent Application Laid-open No. 1980-007456 Patent Reference No. 4: Japanese Patent Application Laid-open No. 1988-057211 Patent Reference No. 5: Japanese Patent Application Laid-open No. 1990-279312 Patent Reference No. 6: Japanese Patent Application Laid-open No. 1993-261744 Patent Reference No. 7: Japanese Patent Application Laid-open No. 1999-046810 Patent Reference No. 8: Japanese Patent Application Laid-open No. 2000-317966 Patent Reference No. 9: Japanese Patent Application Laid-open No. 2000-340855 DISCLOSURE OF THE INVENTION Problems that the Invention Attempts to Solve

[0006] An objective of the present invention is to provide body accessories which are ornamental, have soft and transparent feeling, which have not been obtainable with conventional body accessories formed using a mixture of plastic and metal, plastic and plastic, or synthetic leather and rubber as a raw material, and are more effective in promoting health than conventional accessories containing a magnet.

[0007] It is a further object of the present invention to address the foregoing problems or at least provide the public with a useful choice.

Means to Solve the Problems 552474 4

[0007] The present invention is basically characterized by the following structures. (1) A body accessory which can be formed into a ring shape, comprising a silicone elastomer accessory body having a silicone elastomer layer mixed with fine titanium powder on the skin contacting side and a silicone elastomer decorative continuous protrusion on the exterior side. (2) The body accessory described in {1) above, characterized in that the silicone elastomer layer mixed with fine titanium powder is formed by using a mold or by coating with a solvent solution containing silicone elastomer mixed with fine titanium powder. (3) The body accessory described in (1) above, characterized in that it is selected from a necklace, a wristband, and a hair band. (4) The body accessory described in (1), (2), or (3) above, characterized in that a fine titanium powder obtained by burning a gaseous oxygen-hydrogen mixture in high-pressure water, fusing metallic titanium using the resultant burning gas and precipitating the product in water is used at least as a major component, as the fine titanium powder. (5) A process for manufacturing a body accessory comprising a silicone elastomer accessory body having a silicone elastomer layer mixed with fine titanium powder on the skin contacting side and a silicone elastomer decorative continuous protrusion on the exterior side, characterized in that it comprises the first step of forming a continuous concavity on a silicone elastomer accessory body; the second step of embedding a silicone elastomer layer containing fine titanium powder obtained by burning a gaseous oxygen-hydrogen mixture in high-pressure water, fusing metallic titanium using the resultant burning gas and precipitating the product in water at least as a major component, onto said continuous concavity; the third step 552474 of separately forming a silicone elastomer decorative continuous protrusion, and the fourth step of placing the accessory body obtained in the second step on said decorative continuous protrusion and curing with heat for integration. (6) A process for manufacturing a body accessory comprising a silicone elastomer accessory body having a silicone elastomer layer mixed with fine titanium powder on the skin contacting side and a silicone elastomer decorative continuous protrusion on the exterior side, characterized in that the silicone elastomer decorative continuous protrusion is first formed, the accessory body is placed on said decorative continuous protrusion and cured with heat for integration, and then a solvent solution containing silicone elastomer mixed with the abovementioned fine titanium powder is coated onto the product. Effectiveness of the Invention

[0008] The present invention has established an inexpensive process for manufacturing a stable product which can be bent and also be decorative, in which a health-promoting body accessory is made with silicone elastomer mixed with fine titanium powder. When worn on the body, this body accessory stimulates an acupressure point or an affected part thereby promoting blood circulation, which brings effects such as healing of shoulder ache or muscle ache.

BRIEF DESCRIPTION OF THE DRAWINGS

[0009] [Fig. 1] A perspective view of a silicone elastomer body accessory manufactured by a production method according to the present invention.

[Fig. 2] A cross-sectional view taken on line A-A of Fig. 1.

[Fig. 3] A cross-sectional view taken on line B-B of Fig. 1.

[Fig. 4] The first step {step of forming the accessory body).

[Fig. 5] A cross-sectional view of the accessory body. 552474 6 [Fig. 6] The second step (step of forming a layer containing titanium powder).

[Fig. 7] A cross-sectional view of the accessory body containing the layer containing titanium powder.

[Fig. 8] The third step (step of forming a decorative continuous protrusion).

[Fig. 9] The fourth step (final step of forming the accessory).

[Fig. 10] An enlarged cross-sectional view of the accessory body.

Explanation of the Numbers

[0010] 1. Accessory (necklace) 2. Joint for hooking (small hole) 3. Joint for hooking (small ball) 4. Layer containing titanium powder . Indicating part 6. Concave part of first lower mold 7. Decorative continuous protrusion 8. Accessory body 9. Lower mold . Upper mold 11. Upper mold 12. Lower mold 13. Upper mold 14. Mold: first upper part . Mold: second upper part 16. Upper mold upper part 17. Upper mold upper part 17'. Upper mold upper part 18. Concave part of second lower mold BEST MODE FOR CARRYING OUT THE INVENTION

[0011] In the present invention, a body accessory comprising a silicone elastomer accessory body having a silicone M l-f, - & JON 2009 ' — ,<$/ 552474 7 elastomer layer mixed with fine titanium powder on the skin contacting side and a silicone elastomer decorative continuous protrusion on the exterior side is manufactured. The silicone elastomer layer mixed with fine titanium powder, the silicone elastomer decorative continuous protrusion, and the silicone elastomer accessory body can be formed using extrusion molding, injection molding, or compression molding; however, it is suitable to use a compression molding method using a mold.

Namely, in the present invention, a silicone elastomer accessory is formed by compression molding, which comprises the first step of forming a continuous concavity on a silicone elastomer accessory body; the second step of embedding a silicone elastomer layer containing fine titanium powder into said continuous concavity; the third step of separately forming a silicone elastomer decorative continuous protrusion; and the fourth step of placing the accessory body obtained in the second step on said decorative continuous protrusion and curing with heat for integration.

Further, an alternative method of the present invention can comprise first the step of forming a silicone elastomer decorative continuous protrusion, which corresponds to the abovementioned third step, the step of placing the silicone elastomer body on the obtained decorative continuous protrusion for integration, which corresponds to the abovementioned fourth step, and then the step of coating a part of the silicone elastomer body with a silicone elastomer solvent solution mixed with fine titanium powder in a belt-like fashion. However, when the layer containing fine titanium powder is provided by this coating method, it is difficult to precisely control the coating area, and moreover, the coated layer may peel off resulting from abrasion, which results in poor durability as compared to the product by the abovementioned method. However, there is no difference in action and effectiveness of the resulting products Jo* ;/ * - - 8 JUN 2QC9 \vA»"iv IV/ 552474 8 between the abovementioned compression method and the coating method. invention is not particularly limited and any organic silicon polymer having a siloxane bond can be used as long as it has rubber-like properties.

Further, fine powder titanium obtained by burning a gaseous oxygen-hydrogen mixture in high-pressure water and heating metallic titanium using the resultant burning gas to reduce it to powder (Japanese Patent No. 3507063) is appropriately used as titanium powder to be mixed with a silicone elastomer, at least as a major component. This is because the fine titanium powder obtained by this method does not contain products such as byproducts and impurities and the metal powder thus obtained has excellent uniformity in its spheroidal shape and high homogeneity in the size of the powder particles and is economically produced.

[0013] Other titanium powders to be used mixed with the abovementioned fine titanium powder can be any powders of compounds containing titanium atoms. For example, minerals such as rutile, brookite, and octahedrite can be used. Further, as titanium alloy powders, powders of alloys of titanium with metals such as copper, tin, iron, aluminium, chromium, cobalt, molybdenum, and tungsten can be used. Examples of the powders of titanium alloys include powders of Ti-Al, Ti-V, Ti-Mo, Ti-Cr, Ti-Mn, Ti-Fe, Ti-Al-Cr, and Ti-Cr-Fe-O; the composition ratio of each alloy powder can be appropriately selected.

[0014] Further, powders of titanium compounds can be used, which include powders of hydrides such as TiH2 and TiH4; oxides such as TiO, Ti203, Ti02/ Ti(OH)2, Ti(OH)3/ and M2Ti03 (M is a metal atom); sulfides such as TiS, Ti2S3, and TiS2; oxyacid salts such as Ti2(S04)3, Ti(S04)2, and TiP207; boron compounds such as Ti2B, TiB, TiB2, and Ti2B5; titanium carbide composed

[0012] A silicone elastomer to be used in the present / -8 J UN 2009 J RECEIVED at IPONZ on 06 November 2009 552474 9 of (TiC); silicone compounds such as TiSi2, TiSi, and TisSia; nitrides such as TiN, T13N4, Ti3"N6, and Ti5Ne; phosphorus compounds such as TiPn; titanium halides such as TiCh, TiCl3, TiCU, TiBr2, TiBr3, TiBr4, Til2, Tib, and HI4; complex salts such as M2TiF5, MjTiF6, M2TiF6, M2[TiCl5(OH)2], M2TiCl6, [Ti(OH)6]Cl3s and M2[TiBr6]; and titanates such as CaTiCh, SrTi03, BaTiOa, CdTi03, and PbTiCh. These powders can be used alone or in combination.

[0015] In the present invention, a body accessory which is suitable for the characteristics of silicone elastomer can be formed into various products which include ornamental accessories such as necklaces, wristbands, and hair bands. In particular, it is effectively used for wristbands, necklaces, and bracelets to relax nerves and muscle of athletes.

[0016] A body accessory of the present invention will be explained by referring to drawings.

Fig. 1 is a perspective view of an example of a body accessory 1 of the present invention. Fig. 2 is a sectional view taken on line A-A of Fig. 1, and Fig. 3 is a cross-sectional view taken on line B-B of Fig. 1.

The body accessory of the present invention comprises an accessory body 8, a joint for hooking (small hole) 2, a joint for hooking (small ball) 3, and an indicating part 5. On the accessory body 8, a decorative continuous protrusion 7 is formed on the surface side and a layer containing titanium powder is formed on the back side.

Use of silicone elastomer as a forming material provides decorativeness and soft feeling to the body and use of the abovementioned fine titanium powder as a major component provides physiological actions such as blood circulation promotion and an electromagnetic action by metallic titanium, which make it possible to obtain a body accessory providing improved health promoting functions more stably for a longer 552474 period of time as compared to conventional body accessories. The product of the present invention provides greater functions as compared to conventional body accessories making the best use of the characteristics of metallic titanium such as physiological actions, for example blood circulation promotion and an electromagnetic action. These actions of titanium are effective without direct contact of titanium with the skin and generated relatively fast and the effectiveness lasts for a long period of time to provide marked health promoting effects.

[0017] The process of the production according to the present invention will be explained based on an example. However, the scope of the present invention is not limited to this example.

Example 1

[0018] As mentioned above, the body accessory of the present invention can be manufactured by extrusion molding, injection molding, and compression molding. As one example of the molding methods, a process of manufacturing using compression molding is explained in detail referring to Fig. 4 to Fig. 9.

First, in the first step as shown in Fig. 4, a silicone elastomer material to form the accessory body of the present invention is placed in the concave part of the lower mold 9 and the upper mold 10 having the first upper part 14 and the second upper part 15 is pressed down onto the first lower mold, cure molding is carried out by pressing with heat to form the accessory body 8 as shown in Fig. 5. In this way, the concave part 6 of the accessory body 8 is formed by the second upper part 15 of the upper mold. Next, in the second step as shown in Figure 6, a silicone elastomer material containing titanium powder is embedded into the concave part 6 of the accessory body 8 placed in the same first lower mold and pressed with heat.

After pressing with heat, as shown in Fig. 7, the accessory body 552474 11 8 in which a silicone elastomer material layer containing titanium powder is formed in the concave part 6 is obtained. The silicone elastomer material layer containing titanium powder can be either continuous or discontinuous lengthwise as shown in Fig. 1. Further, in the third step as shown in Fig. 8, the concave part 18 corresponding to the decorative continuous protrusion 7 of the accessory is provided in the second lower mold and the uncured silicone elastomer is embedded here, after which the second upper mold 13 with the upper convex part 17 formed is pressed down onto the second lower mold 12 to form the decorative continuous protrusion 7. In such a state, as shown in Fig. 9, the accessory body in which the silicone elastomer layer containing titanium powder is embedded into the concave part obtained by the second step is placed and the second upper mold 13 having the upper convex part 17 is pressed down onto the second lower mold 12 to form the projected accessory of the present invention. Favorably, the color of the decorative continuous protrusion 7 is different from that of the accessory body 8 for improved decorativeness. For example, if the accessory body 8 is black, the color of the decorative continuous protrusion 7 can be yellow or red to increase the distinguishability of the product.

[0019] As shown in Fig. 10, the accessory thus obtained has the layer containing titanium 4 on one side (the side in contact with the skin) and the decorative continuous protrusion 7 on the other side (the exterior side). The silicone elastomer layer containing titanium powder 4 can be either discontinuous as shown in Fig. 1 or continuous.

Further, as mentioned above, the alternative method can comprise the step of first forming a silicone elastomer decorative continuous protrusion, which corresponds to the abovementioned third step; the step of placing the silicone elastomer body on the obtained decorative continuous protrusion - 8 JUN 2009 55,2474 12 for integration, which corresponds to the abovementioned fourth step; and then the step of coating a part of the silicone elastomer body with a silicone elastomer solvent solution mixed with fine titanium powder in a belt-like fashion. However, the process of this method is complicated and the resulting product is not satisfactorily durable.

RECEIVED at IPONZ on 06 November 2009 552474 13

Claims

WHAT IS CLAIMED IS:

1. A body accessory which can be formed into a ring shape, including a silicone elastomer accessory body having a silicone elastomer layer mixed with fine titanium powder on the skin contacting side and a decorative protrusion strip made of silicone elastomer on the exterior side.

2. The body accessory according to claim 1, characterized in that the silicone elastomer layer mixed with fine titanium powder is formed by molding or by applying a solvent solution containing silicone elastomer mixed with fine titanium powder to the silicon elastomer accessory body.

3. The body accessory according to claim 1, characterized in that the body accessory is selected from a necklace, a bracelet, a wristband, and a hair band.

4. The body accessory according to claim 1, 2, or 3, characterized in that the fine titanium powder is obtained by burning a gaseous oxygen-hydrogen mixture in high-pressure water, fusing metallic titanium using the resultant burning gas to form a titanium product and precipitating the titanium product in water, wherein the titanium product is used at least as a major component of the fine titanium powder.

5. A method for manufacturing a body accessory including a silicone elastomer accessory body having a silicone elastomer layer mixed with fine titanium powder on the skin contacting side and a decorative protrusion strip made of silicone elastomer on the exterior side, characterized in that the method includes the steps of: forming a continuous concavity on a silicone elastomer accessory body as a first step; embedding a silicone elastomer layer containing fine titanium powder obtained by burning a gaseous oxygen-hydrogen mixture in high-pressure water, fusing metallic titanium using the resultant burning gas to form a titanium product and precipitating the titanium product in water, wherein the titanium product is used at least as a major component, onto said continuous concavity as a second step; forming the decorative protrusion strip made of silicone elastomer separately as a third step; and placing the accessory body obtained in the second step on said decorative protrusion strip and curing with heat for integration as a fourth step. RECEIVED at IPONZ on 06 November 2009 552474 14

6. A method for manufacturing a body accessory including a silicone elastomer accessory body having a layer of silicone elastomer mixed with fine titanium powder on the skin contacting side and a decorative protrusion strip made of silicone elastomer on the exterior side, characterized in that the decorative protrusion strip made of silicone elastomer is first formed, the accessory body is placed on said decorative protrusion strip and cured with heat for integration, and then a solvent solution containing said silicone elastomer mixed with fme titanium powder is applied onto the skin contacting side of the silicon elastomer accessory body.

7. A body accessory substantially as herein described and illustrated in Figures 1 to 10.

8. A method of manufacturing a body accessory substantially as herein described and illustrated in Figures 1 to 10.