JPH078308A - Fancy band for watch and manufacture thereof - Google Patents
Fancy band for watch and manufacture thereofInfo
- Publication number
- JPH078308A JPH078308A JP17855893A JP17855893A JPH078308A JP H078308 A JPH078308 A JP H078308A JP 17855893 A JP17855893 A JP 17855893A JP 17855893 A JP17855893 A JP 17855893A JP H078308 A JPH078308 A JP H078308A
- Authority
- JP
- Japan
- Prior art keywords
- band
- decorative pattern
- decorative
- film
- watch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、時計用装飾バンド及び
その製造方法に関し、更に詳しくは耐久性、装飾性、意
匠性、柔軟性等に優れた腕時計用装飾バンドとその製造
方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative band for a watch and a method for manufacturing the same, and more particularly to a decorative band for a watch having excellent durability, decorativeness, designability and flexibility and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】従来、腕時計のバンドとしては革製、鎖
等の金属製、合成樹脂製等、種々のものが広く知られて
いるが、近年では、腕時計の更なるフッション化に応え
て、バンドの表面部分に種々の装飾模様が施された合成
樹脂製バンドが使用される様になった。この様な装飾バ
ンドは、所望の装飾模様を印刷した透明フイルムをバン
ド形状に裁断して、これを射出成形機の金型の内部壁に
固定し、該金型中に溶融合成樹脂を射出する、所謂イン
サート成形によって一体成形されている。2. Description of the Related Art Conventionally, various kinds of wristwatch bands such as leather, metal such as chains, synthetic resin, etc. have been widely known. In recent years, in response to further fashionable wristwatches, Synthetic resin bands having various decorative patterns on the surface of the band have come to be used. In such a decorative band, a transparent film on which a desired decorative pattern is printed is cut into a band shape, which is fixed to the inner wall of a mold of an injection molding machine, and molten synthetic resin is injected into the mold. It is integrally formed by so-called insert molding.
【０００３】[0003]
【発明が解決しようとしている課題】上記合成樹脂製の
装飾時計バンドの場合には、装飾フイルムとバンド本体
とは強固に密着一体化されているものの、装飾模様が最
表面に出る場合、即ち、装飾フイルムの印刷面を金型面
に向けて一体成形して得られたものは、最終製品のバン
ドにおいて装飾模様の耐摩擦性等の耐久性等が劣るとい
う問題がある。又、フイルムが最表面に出る場合、即ち
装飾フイルムの装飾部分を内側にして金型内に固定して
射出一体成形したものは、表面耐久性に優れるものの、
印刷形成された装飾模様が射出成形時に高温に溶融され
た射出樹脂の流れと接触する為、成形時に印刷模様が流
れたり、模様の型崩れや滲み等が生じるという問題点が
ある。In the case of the above-mentioned synthetic resin decorative timepiece band, the decorative film and the band body are firmly adhered and integrated, but the decorative pattern appears on the outermost surface, that is, The one obtained by integrally molding the decorative film with the printed surface facing the mold surface has a problem that the durability of the decorative pattern in the band of the final product is poor, such as abrasion resistance. Also, when the film appears on the outermost surface, that is, when the decorative portion of the decorative film is fixed inside the mold and injection-molded, the surface durability is excellent.
Since the printed and printed decorative pattern comes into contact with the flow of the injection resin melted at high temperature during injection molding, there are problems that the printed pattern flows during molding, and the pattern loses its shape or bleeds.
【０００４】又、上記問題を解決する為に、２枚のフイ
ルムの一方に表面に印刷模様を設け、該模様面に他のフ
イルムを積層し、模様部分を２枚のフイルムでサンドイ
ッチして一体成形する方法が考えられるが、この方法
は、製造工程が煩雑であり、又、フイルムの積層にはあ
まり薄いフイルムを使用することが出来ず、コスト面で
不利であると共に、サンドウイッチフイルムの柔軟性が
低下するという問題がある。更に上記において、フイル
ム面がバンドの最表面に配置されるので、装飾模様の耐
久性はかなり向上するが、最表面に出るフイルムはいず
れにしても熱可塑性樹脂からなる為、フイルム表面に傷
が付きやすく、フイルムの透明性が経時的に低下し、結
果として装飾模様の鮮明性が低下するという問題があ
る。従って、本発明の目的は、上記従来技術の問題を解
決し、耐久性、装飾性、意匠性、柔軟性等に優れた腕時
計用のバンドを経済的に提供することである。In order to solve the above problem, a printed pattern is provided on one surface of two films, the other film is laminated on the patterned surface, and the pattern portion is sandwiched by two films to be integrated. Although a method of molding is conceivable, this method is complicated in the manufacturing process, and it is not possible to use a very thin film for laminating the film, which is disadvantageous in terms of cost and the flexibility of the sandwich film. There is a problem that the sex is lowered. Furthermore, in the above, since the film surface is arranged on the outermost surface of the band, the durability of the decorative pattern is considerably improved, but since the film appearing on the outermost surface is made of a thermoplastic resin in any case, scratches are formed on the film surface. There is a problem that the film tends to stick, the transparency of the film decreases over time, and as a result, the sharpness of the decorative pattern decreases. Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art and to economically provide a wristwatch band excellent in durability, decorativeness, designability, flexibility and the like.
【０００５】[0005]
【問題点を解決する為の手段】上記目的は以下の本発明
によって達成される。即ち、本発明は、表面に装飾模様
部が設けられた合成樹脂製時計バンドにおいて、上記装
飾模様部が、合成樹脂フイルムの表面に形成された装飾
模様とその表面に設けられた透明保護塗膜とからなり、
上記装飾模様部がバンド本体と射出成形によって一体成
形されていることを特徴とする時計用装飾バンド、及び
その製造方法である。The above object can be achieved by the present invention described below. That is, the present invention relates to a synthetic resin watch band having a decorative pattern portion on the surface thereof, wherein the decorative pattern portion is a decorative pattern formed on the surface of a synthetic resin film and a transparent protective coating film provided on the surface. Consists of
A decorative band for a timepiece, characterized in that the decorative pattern portion is integrally molded with a band body by injection molding, and a method for manufacturing the same.
【０００６】[0006]
【作用】合成成樹脂製時計バンドにおいて、その装飾模
様部を透明保護塗膜によって被覆して一体成形すること
によって、耐久性、装飾性、意匠性、柔軟性等に優れた
腕時計用のバンドを経済的に提供することが出来る。好
ましい実施態様では、上記透明保護塗膜を架橋性塗料か
ら形成しておくことによって、該被膜を最表面層とした
場合にも、耐擦過性、耐摩擦性等が良好であり、良好な
透明性、即ち装飾模様の鮮明性が長期間維持される。[Function] In a synthetic resin watch band, the decorative pattern portion is covered with a transparent protective coating film and integrally molded to form a wrist watch band excellent in durability, decorativeness, designability, flexibility and the like. Can be provided economically. In a preferred embodiment, by forming the transparent protective coating film from a crosslinkable coating material, even when the coating film is used as the outermost surface layer, the scratch resistance, the abrasion resistance, etc. are good, and a good transparency is obtained. That is, the sharpness of the decorative pattern is maintained for a long time.
【０００７】[0007]
【実施例】次に図面に示す実施例により本発明を更に詳
細に説明する。本発明の時計用装飾バンドは、図１の斜
視図及びそのＡ−Ａ拡大断面図に図解的に示す様に、表
面に装飾模様部１が設けられた合成樹脂製時計バンド１
０において、上記装飾模様部１が、合成樹脂フイルム１
ａの表面に形成された装飾模様１ｂとその表面に設けら
れた透明保護塗膜１ｃとからなり、上記装飾模様部１が
バンド本体２と射出成形によって一体成形されているこ
とを特徴としている。本発明の時計用装飾バンドにおい
て使用するバンド本体２は、適当な柔軟性と強度を有す
るものであればいかなる合成樹脂からなるものでもよい
が、好ましい材料は、ジイソシアネートとして無黄変又
は難黄変タイプの脂肪族ジイソシアネートを使用した無
黄変或は難黄変熱可塑性ポリウレタンエラストマーであ
る。The present invention will be described in more detail with reference to the embodiments shown in the drawings. The decorative band for a timepiece of the present invention is a synthetic resin watchband 1 having a decorative pattern portion 1 provided on the surface thereof, as schematically shown in the perspective view of FIG.
0, the decorative pattern portion 1 is a synthetic resin film 1
It is characterized in that it comprises a decorative pattern 1b formed on the surface of a and a transparent protective coating film 1c provided on the surface thereof, and that the decorative pattern portion 1 is integrally formed with the band body 2 by injection molding. The band body 2 used in the decorative band for a timepiece of the present invention may be made of any synthetic resin as long as it has appropriate flexibility and strength, but a preferable material is diisocyanate which does not yellow or hardly yellow. It is a non-yellowing or non-yellowing thermoplastic polyurethane elastomer using a type of aliphatic diisocyanate.
【０００８】又、装飾模様１ｂを形成するフイルム１ａ
も、上記と同様なポリウレタンエラストマー製フイルム
が好ましいが、場合によっては、ポリエステル、軟質ポ
リ塩化ビニル等の他の合成樹脂フイルムであってもよ
い。該フイルム１ａの厚みは通常５０〜５００μｍ程度
の厚みが好ましく、該フイルム１ａは透明であっても不
透明であってもよし、又、透明又は不透明に着色されて
いてもよい。不透明なフイルム１ａを使用する場合に
は、後の一体射出成形において装飾模様１ｂが外側に来
る様に金型内に設置することが必要である。これらのフ
イルム面に形成する装飾模様１ｂは、通常のシルクスク
リーン用インキ、グラビアインキ、転写インキ等によっ
てそれぞれの印刷方式によって常法に従って形成され、
装飾模様自体はいかなる模様及び色彩であってもよい。
上記インキはウレタン系樹脂をビヒイクルとするインク
であることが好ましい。The film 1a for forming the decorative pattern 1b
Also, the same polyurethane elastomer film as described above is preferable, but other synthetic resin films such as polyester and soft polyvinyl chloride may be used depending on the case. The thickness of the film 1a is usually preferably about 50 to 500 μm, and the film 1a may be transparent or opaque, or may be colored transparent or opaque. When the opaque film 1a is used, it is necessary to install it in the mold so that the decorative pattern 1b will be on the outside in the later integral injection molding. The decorative pattern 1b formed on these film surfaces is formed by an ordinary silk screen ink, gravure ink, transfer ink or the like according to each printing method according to a conventional method.
The decorative pattern itself may be any pattern and color.
The above ink is preferably an ink containing a urethane resin as a vehicle.
【０００９】上記合成樹脂フイルム１ａ面に形成された
装飾模様１ｂは、透明樹脂塗料１ｃによって被覆する。
これらの透明樹脂塗料は、透明性に優れた合成樹脂を有
機溶剤又は水に溶解又は分散させたものであって、溶剤
の蒸発によって透明被膜を形成する。使用する合成樹脂
は、前記と同様なポリウレタンエラストトマーが好まし
いが、該エラストマーに架橋剤を併用して架橋型の透明
塗料とすることが出来る。尚、塗料の液媒体は予め形成
されている印刷模様のバインダーを溶解するものであっ
てはならない。The decorative pattern 1b formed on the surface of the synthetic resin film 1a is covered with a transparent resin paint 1c.
These transparent resin paints are synthetic resins having excellent transparency dissolved or dispersed in an organic solvent or water, and form a transparent film by evaporation of the solvent. The synthetic resin used is preferably the same polyurethane elastomer as described above, but a cross-linking type transparent paint can be prepared by using a cross-linking agent in combination with the elastomer. It should be noted that the liquid medium of the paint should not dissolve the binder of the printed pattern that has been formed in advance.
【００１０】更にかかる透明樹脂被膜１ｃは、例えば、
電子線或は紫外線硬化性の樹脂塗料によって形成するこ
とも好ましい。これらの放射線硬化性樹脂塗料は溶剤を
殆ど含まず且つ加熱することなく硬化させて強靭な架橋
被膜を形成することが出来る。特にウレタン系の放射線
硬化性樹脂塗料を使用することによって、柔軟性と共に
表面耐摩擦性、耐擦過性に優れた被膜を形成することが
出来る。この様にして形成される被膜１ｃの厚みは通常
５〜５０μｍ程度が好適である。以上の如く装飾被膜１
ｂの被覆に透明樹脂塗料１ｃを使用することによって、
前記合成樹脂フイルム１ａに装飾模様１ｂを形成する工
程と、該模様１ｂを被覆する工程が、単なるグラビア印
刷ロール等で実施可能であるので、全体の工程を連続工
程とすることが出来、更に形成される被膜１ｃの厚みを
任意に変更することが出来る。従って工程上も時間的に
も更には材料の面でも経済的である。以上の如く形成さ
れた装飾模様部１を図１に示す如く、時計バンド形状に
打ち抜き裁断する。Further, such a transparent resin coating 1c is, for example,
It is also preferable to use an electron beam or ultraviolet ray curable resin paint. These radiation-curable resin paints contain almost no solvent and can be cured without heating to form a tough cross-linked coating. In particular, by using a urethane-based radiation-curable resin coating, it is possible to form a coating film which is excellent in flexibility and surface abrasion resistance and abrasion resistance. The thickness of the coating film 1c thus formed is usually preferably about 5 to 50 μm. As mentioned above, decorative film 1
By using the transparent resin paint 1c for the coating of b,
Since the step of forming the decorative pattern 1b on the synthetic resin film 1a and the step of covering the pattern 1b can be carried out by a simple gravure printing roll or the like, the whole process can be a continuous process, and further formation is possible. The thickness of the coated film 1c can be changed arbitrarily. Therefore, it is economical in terms of process, time and materials. The decorative pattern portion 1 formed as described above is punched and cut into a watch band shape as shown in FIG.
【００１１】上記打ち抜き裁断した装飾模様部１を、図
２に示す様に、金型３の一方の凹部に適当な方法で一時
的に固定し、他方の金型４と一体化させ、樹脂の射出ゲ
ート５から溶融樹脂を金型のキャビティ内に射出充填す
る。金型が所定の温度に冷却した後金型を開き、一体成
形物を取り出し、適当な孔を設けて本発明の時計用装飾
バンド１０が得られる。上記例では、透明被覆層１ｃを
一体成形物の最表面にくる様にして一体成形したが、樹
脂フイルム１ａが透明である場合には、樹脂フイルム１
ａが一体成形物１０の最表面にくる様に成形してもよ
い。以上の一体成形方法自体は周知の方法でよく、樹脂
の射出温度、金型の予備加熱温度、金型への離型剤の塗
布方法、その他の条件は従来公知の成形条件に準じれば
よく、特に限定されない。As shown in FIG. 2, the stamped and cut decorative pattern portion 1 is temporarily fixed to one concave portion of a mold 3 by an appropriate method and then integrated with the other mold 4 to form a resin. The molten resin is injected and filled from the injection gate 5 into the cavity of the mold. After the mold is cooled to a predetermined temperature, the mold is opened, the integrally molded product is taken out, appropriate holes are provided, and the decorative band 10 for a timepiece of the present invention is obtained. In the above example, the transparent coating layer 1c is integrally molded so as to come to the outermost surface of the integrally molded product. However, when the resin film 1a is transparent, the resin film 1
It may be molded so that a comes to the outermost surface of the integrally molded product 10. The above integral molding method itself may be a known method, and the injection temperature of the resin, the preheating temperature of the mold, the method of applying the release agent to the mold, and other conditions may be in accordance with conventionally known molding conditions. It is not particularly limited.
【００１２】[0012]
【効果】以上の如き本発明によれば、合成成樹脂製時計
バンドにおいて、その装飾模様部を透明保護塗膜によっ
て被覆して一体成形することによって、耐久性、装飾
性、意匠性、柔軟性等に優れた腕時計用のバンドを経済
的に提供することが出来る。好ましい実施態様では、上
記透明保護塗膜を架橋性塗料から形成しておくことによ
って、該被膜を最表面層とした場合にも、耐擦過性、耐
摩擦性等が良好であり、良好な透明性、即ち装飾模様の
鮮明性が長期間維持される。[Effects] According to the present invention as described above, in a synthetic synthetic resin watch band, its decorative pattern portion is covered with a transparent protective coating film and integrally molded, whereby durability, decorativeness, designability, and flexibility are provided. It is possible to economically provide a wristwatch band having excellent characteristics. In a preferred embodiment, by forming the transparent protective coating film from a crosslinkable coating material, even when the coating film is used as the outermost surface layer, the scratch resistance, the abrasion resistance, etc. are good, and a good transparency is obtained. That is, the sharpness of the decorative pattern is maintained for a long time.
【００１３】[0013]
【図１】本発明の時計用装飾バンドとその細部を説明す
る図。FIG. 1 is a diagram for explaining a decorative band for a timepiece of the invention and its details.
【図２】本発明の製造方法を説明する図。FIG. 2 is a diagram illustrating a manufacturing method of the present invention.
１：装飾模様部 １ａ：樹脂フイルム １ｂ：装飾模様 １ｃ：被覆塗膜 ２：バンド本体 ３：金型の一方 ４：金型の他方 ５：射出ゲート １０：時計用バンド 1: Decorative pattern part 1a: Resin film 1b: Decorative pattern 1c: Coated coating film 2: Band body 3: One of the molds 4: The other of the molds 5: Injection gate 10: Watch band
Claims (4)
製時計バンドにおいて、上記装飾模様部が、合成樹脂フ
イルムの表面に形成された装飾模様とその表面に設けら
れた透明保護塗膜とからなり、上記装飾模様部がバンド
本体と射出成形によって一体成形されていることを特徴
とする時計用装飾バンド。1. A synthetic resin watch band having a decorative pattern portion on its surface, wherein the decorative pattern portion is a decorative pattern formed on the surface of a synthetic resin film and a transparent protective coating film provided on the surface. A decorative band for a watch, characterized in that the decorative pattern portion is integrally formed with the band body by injection molding.
架橋塗膜である請求項１に記載の時計用装飾バンド。2. The decorative band for watches according to claim 1, wherein the transparent protective film is a crosslinked coating film formed from a crosslinkable paint.
け、該模様部の表面に透明保護塗膜が形成され、バンド
形状に裁断された装飾模様部を、金型の内面に固定し、
該金型内に溶融樹脂を射出して上記装飾模様部とバンド
本体とを一体成形することを特徴とする時計用装飾バン
ドの製造方法。3. A decorative pattern is provided on the surface of a synthetic resin film, a transparent protective coating film is formed on the surface of the pattern part, and the decorative pattern part cut into a band shape is fixed to the inner surface of a mold,
A method for producing a decorative band for a watch, characterized in that molten resin is injected into the mold to integrally mold the decorative pattern portion and the band body.
架橋塗膜である請求項３に記載の時計用装飾バンドの製
造方法。4. The method for producing a decorative band for a watch according to claim 3, wherein the transparent protective film is a crosslinked coating film formed from a crosslinkable paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17855893A JPH078308A (en) | 1993-06-28 | 1993-06-28 | Fancy band for watch and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17855893A JPH078308A (en) | 1993-06-28 | 1993-06-28 | Fancy band for watch and manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH078308A true JPH078308A (en) | 1995-01-13 |
Family
ID=16050592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17855893A Pending JPH078308A (en) | 1993-06-28 | 1993-06-28 | Fancy band for watch and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH078308A (en) |
Cited By (8)
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|---|---|---|---|---|
| CN102771966A (en) * | 2012-06-29 | 2012-11-14 | 林韶孟 | Watchband and producing method thereof |
| KR101598090B1 (en) * | 2014-12-04 | 2016-02-26 | (주)디에스모바일 | Fashion watch chain and manufacturing method the same |
| CN106273228A (en) * | 2016-09-14 | 2017-01-04 | 现代精密塑胶模具（深圳）有限公司 | Restraint zone manufacture method and watchband |
| CN106476208A (en) * | 2016-09-14 | 2017-03-08 | 现代精密塑胶模具（深圳）有限公司 | Restraint zone manufacture method and watchband |
| CN107399042A (en) * | 2017-07-17 | 2017-11-28 | 福建省石狮市通达电器有限公司 | A kind of IMF watchbands moulding process and its IMF watchbands |
| JP2019155772A (en) * | 2018-03-14 | 2019-09-19 | カシオ計算機株式会社 | Method for manufacturing molded product, and molded product, band and watch |
| JP2019536558A (en) * | 2016-12-16 | 2019-12-19 | ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド | Exterior parts provided with decorations for wristwatches or decorative articles and method of manufacturing the same |
| EP4052883A1 (en) * | 2021-03-03 | 2022-09-07 | Rolex Sa | Method for manufacturing a clock component |
-
1993
- 1993-06-28 JP JP17855893A patent/JPH078308A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102771966A (en) * | 2012-06-29 | 2012-11-14 | 林韶孟 | Watchband and producing method thereof |
| KR101598090B1 (en) * | 2014-12-04 | 2016-02-26 | (주)디에스모바일 | Fashion watch chain and manufacturing method the same |
| CN106273228A (en) * | 2016-09-14 | 2017-01-04 | 现代精密塑胶模具（深圳）有限公司 | Restraint zone manufacture method and watchband |
| CN106476208A (en) * | 2016-09-14 | 2017-03-08 | 现代精密塑胶模具（深圳）有限公司 | Restraint zone manufacture method and watchband |
| JP2019536558A (en) * | 2016-12-16 | 2019-12-19 | ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド | Exterior parts provided with decorations for wristwatches or decorative articles and method of manufacturing the same |
| US11583044B2 (en) | 2016-12-16 | 2023-02-21 | The Swatch Group Research And Development Ltd | External component with decoration for watches or jewellery and method for manufacturing the same |
| CN107399042A (en) * | 2017-07-17 | 2017-11-28 | 福建省石狮市通达电器有限公司 | A kind of IMF watchbands moulding process and its IMF watchbands |
| CN107399042B (en) * | 2017-07-17 | 2023-05-23 | 福建省石狮市通达电器有限公司 | IMF watchband forming process |
| JP2019155772A (en) * | 2018-03-14 | 2019-09-19 | カシオ計算機株式会社 | Method for manufacturing molded product, and molded product, band and watch |
| US11077589B2 (en) | 2018-03-14 | 2021-08-03 | Casio Computer Co., Ltd. | Manufacturing method of molded article, molded article, band and timepiece |
| EP4052883A1 (en) * | 2021-03-03 | 2022-09-07 | Rolex Sa | Method for manufacturing a clock component |
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