JPS63249085A - Structure of case for timepiece - Google Patents
Structure of case for timepieceInfo
- Publication number
- JPS63249085A JPS63249085A JP8417287A JP8417287A JPS63249085A JP S63249085 A JPS63249085 A JP S63249085A JP 8417287 A JP8417287 A JP 8417287A JP 8417287 A JP8417287 A JP 8417287A JP S63249085 A JPS63249085 A JP S63249085A
- Authority
- JP
- Japan
- Prior art keywords
- core
- case
- main body
- ceramics
- groove
- 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
- 239000000919 ceramic Substances 0.000 claims abstract description 21
- 239000010437 gem Substances 0.000 claims abstract description 17
- 229910001751 gemstone Inorganic materials 0.000 claims abstract description 17
- 238000005219 brazing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 239000010970 precious metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 18
- 239000002184 metal Substances 0.000 abstract description 18
- 238000005476 soldering Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 229910001069 Ti alloy Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- PCEXQRKSUSSDFT-UHFFFAOYSA-N [Mn].[Mo] Chemical compound [Mn].[Mo] PCEXQRKSUSSDFT-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- MSNOMDLPLDYDME-UHFFFAOYSA-N gold nickel Chemical compound [Ni].[Au] MSNOMDLPLDYDME-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- BJBUTJPAZHELKY-UHFFFAOYSA-N manganese tungsten Chemical compound [Mn].[W] BJBUTJPAZHELKY-UHFFFAOYSA-N 0.000 description 1
- 229910002077 partially stabilized zirconia Inorganic materials 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
Landscapes
- Adornments (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は時計用ケースの構造に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to the structure of a watch case.
（発明の概要〕
本発明は裏ぶたをセラミックスあるいは人造宝石から構
成し、この裏ぶたに対して金、パラジウムなどの貴金属
を主成分とするろう材により金属中子をロー付け接合す
ることにより、胴及び裏ぶたがセラミックスあるいは人
造宝石の素材から成る時計用ケースを実用化することを
可能とするものである。(Summary of the Invention) The present invention comprises a case back made of ceramics or artificial jewelry, and a metal core is brazed and joined to the case case back using a brazing material whose main component is a precious metal such as gold or palladium. This makes it possible to put into practical use a watch case whose back cover is made of ceramic or artificial gem material.
従来のセラミックスあるいは人造宝石の素材を用いた時
計用ケースの構造は第２図に示す如く、セラミックスあ
るいは人造宝石から成る胴１１の内壁に溝１１ａを形成
し、該溝１１ａ゛に対向する位置に係合突起１２ａを備
えた金属から成る裏ぶた１２を、金属の弾性を利用して
、胴内壁溝１１ａに係合突起１２ａを係合させることに
より胴１１と裏ぶた１２を固着せしめるようにしたもの
があった。As shown in FIG. 2, the structure of a conventional watch case made of ceramic or artificial gemstone material is such that a groove 11a is formed in the inner wall of a body 11 made of ceramic or artificial gemstone, and a groove 11a is formed at a position opposite to the groove 11a. The case back 12 is made of metal and has an engagement protrusion 12a, and the case 11 and the case back 12 are fixed together by engaging the engagement protrusion 12a in the case inner wall groove 11a using the elasticity of the metal. there were.
しかし前述した従来の時計ケースの構造では裏ぶたの機
能、品質等を確保のため、裏ぶたを金属製とすることが
必要条件となることから、裏ぶたをもセラミックスある
いは人造宝石で構成することができないという問題点が
あった。However, in the conventional watch case structure mentioned above, in order to ensure the function and quality of the case back, it is necessary that the case back be made of metal, so the case back cannot be made of ceramics or artificial gemstones. There was a problem.
このようにケースの素材としてのセラミックスあるいは
人造宝石は、高硬度、高級感をもたらすものであるにも
かかわらず、裏ぶたに金属を適用せざるを得なかった。In this way, even though ceramics or artificial gemstones are used as case materials and provide high hardness and a sense of luxury, metal backs had no choice but to be used.
そこで本発明は、このような問題点を解決し、胴、裏ぶ
たまで含めてセラミックスあるいは人造宝石を適用し、
ケース全体を高硬度で高級感のある価値ある時計用ケー
スを提供するところにある。Therefore, the present invention solves these problems by applying ceramics or artificial jewelry to the body and back cover,
Our goal is to provide valuable watch cases that have a high-quality, high-quality feel with the entire case being highly hard.
本発明の時計用ケースの構造は胴、及び／もしくは裏ぶ
たがセラミックスあるいは人造宝石から成る時計用ケー
スに於いて、裏ぶたはセラミックスあるいは人造宝石か
ら成る本体と、金属から成る中子の二体で構成し、裏ぶ
た本体と中子をロー付け接合することにより前述の問題
点を解決するものである。The structure of the watch case of the present invention is such that the body and/or back cover is made of ceramics or artificial gemstones, and the back cover is composed of two bodies: a main body made of ceramics or artificial gemstones, and a core made of metal. However, the above-mentioned problems are solved by brazing and joining the back cover body and the core.
第１図は本発明の実施例を示す腕時計用ケースの要部断
面図であり、１は胴、１ａは胴内壁に形成された溝、１
ｂはパツキン配設段、２は裏ぶた本体、２ａは中子当接
面、２ｂはパツキン配設面、３は中子、３ａは係合突起
、３ｂはロー付け接合面、４はガラス、サファイアなど
の透明体、５はパツキンである。このうちセラミックス
あるいは人造宝石から成る胴１の内壁には溝１ａが形成
され該溝１ａに対向する位置には金属から成る中子３の
係合突起３ａを配設せしめる。また金属中子３とセラミ
ックスあるいは人造宝石から成る裏ぶた本体２とは互い
に対向する中子当接面２ａとロー付け接合面３ｂとが、
ロー付けにより接合せしめられ、裏ぶたとして機能する
。金属中子３は、その弾性によりたわませられて胴ｌに
スムーズに組み込まれ、胴内壁に形成した溝１ａに係合
突起３ａが係合することにより、胴１に裏ぶた２が固着
される。FIG. 1 is a cross-sectional view of the main parts of a wristwatch case showing an embodiment of the present invention, in which 1 is a body, 1a is a groove formed on the inner wall of the body, 1
b is the packing stage, 2 is the back cover body, 2a is the core abutting surface, 2b is the packing surface, 3 is the core, 3a is the engagement protrusion, 3b is the brazing joint surface, 4 is glass, sapphire Transparent bodies such as 5 are Patsukin. A groove 1a is formed in the inner wall of the body 1 made of ceramic or artificial jewelry, and an engaging protrusion 3a of a core 3 made of metal is provided at a position facing the groove 1a. In addition, the metal core 3 and the back cover body 2 made of ceramics or artificial gemstones have a core abutment surface 2a and a brazed joint surface 3b that face each other.
It is joined by brazing and functions as a back cover. The metal core 3 is deflected by its elasticity and smoothly incorporated into the body 1, and the back cover 2 is fixed to the body 1 by engaging the engagement protrusion 3a with the groove 1a formed on the inner wall of the body. .
ここでロー付けは裏ぶた本体２と中子３を接合し、気密
性を保持しうるためにセラミックスあるいは人造宝石か
ら成る裏ぶた本体２にメタライズ加工を行い、金などの
貴金属を主成分とするろう材で行う。In brazing, the back cover body 2 and the core 3 are joined, and in order to maintain airtightness, the back cover body 2 made of ceramics or artificial gemstones is metallized, and a brazing material whose main component is a precious metal such as gold is used. Do it with
次に中子３をロー付けする裏ぶた２の各材質に対するロ
ー付けの実施例について説明する。Next, examples of brazing for each material of the back cover 2 to which the core 3 is brazed will be described.
（実施例１）
中子３の金属としてステンレス鋼（ＳｕＳ３０４）を用
い裏ぶた本体２として単結晶サファイア（ＡｈＯｓ）と
をロー付けする場合。(Example 1) A case where stainless steel (SuS304) is used as the metal of the core 3 and single crystal sapphire (AhOs) is brazed as the back cover body 2.
まず、中子３のステンレス鋼には、ろう付け前に厚み１
．５〜４μｍのニッケルメッキを施しシンターしておく
。First of all, the stainless steel of core 3 should have a thickness of 1 mm before brazing.
．． Apply 5-4 μm nickel plating and sinter.
また裏ぶた本体２の単結晶サファイアのロー付け個所に
はモリブデン−マンガンなどのペーストを用いたメタラ
イズ処理を行い、その表面に厚み１．５〜４μｍのニッ
ケルメッキを施しシンターしておく、これら中子３と裏
ぶた本体２の接合部に金−ニッケルろう（Ａｕ−１７，
５Ｎｉ）材を介しこれらを約１０００℃の真空中でロー
付けを行った。In addition, the soldered parts of the single-crystal sapphire on the back cover body 2 are metallized using paste such as molybdenum-manganese, and the surface is plated with nickel to a thickness of 1.5 to 4 μm and sintered. Gold-nickel solder (Au-17,
5Ni) material in a vacuum at about 1000°C.
このようにして得た中子３と裏ぶた本体２の接合は、１
．ＯＸｌ０−’Ｔｏｒｒ−１７ｓｅｃ以下の気密性を有
し、かつ人工汗による長期にわたる耐蝕性テストでも性
能の劣化がみられなかった。The core 3 obtained in this way and the back cover body 2 are joined in 1
．． It has an airtightness of OXl0-'Torr-17 sec or less, and no deterioration in performance was observed even in a long-term corrosion resistance test using artificial sweat.
（実施例２）
中子３の金属としてＴｉ又はＴｉ合金（例えばＴｉ−６
ＡＩ−４Ｖ）を用い裏ぶた本体２としてガーネット等の
人造宝石をロー付けする場合。(Example 2) Ti or Ti alloy (for example, Ti-6
When brazing an artificial gemstone such as garnet as the back cover body 2 using AI-4V).
ガーネット板にモリブデン−マンガンまたはタングステ
ン−マンガンを材料としたペーストによりメタライズを
施し、その表面にＮｉメッキを施した後、金−ニッケル
ろう材を介して約１６００℃の真空中にてＴｉ（又はＴ
ｉ合金）製の中子３とロー付けした。After metallizing a garnet plate with a paste made of molybdenum-manganese or tungsten-manganese and plating the surface with Ni, Ti (or T
It was brazed with a core 3 made of i-alloy.
このようにして得たロー付け接合部をもったケースは、
高度の耐蝕性、気密性を有し１０Ｋｇ／ｍｍ”以上の高
い引張強度を有し、信頼性の高いものであった。The case with the brazed joint obtained in this way is
It had a high degree of corrosion resistance, airtightness, high tensile strength of 10 kg/mm'' or more, and was highly reliable.
〔実施例３〕
中子３の金属としてＴｉ又はＴｉ合金を用い高靭性を有
する部分安定化ジルコニアセラミック又は高硬度で耐摩
耗性のある窒化チタン（ＴｉＮ ）等のセラミック材か
ら成る裏ぶた本体２をロー付けする場合。[Example 3] Ti or Ti alloy is used as the metal of the core 3, and the back cover body 2 is made of a ceramic material such as partially stabilized zirconia ceramic having high toughness or titanium nitride (TiN) having high hardness and wear resistance. When soldering.
裏ぶた本体２の接合個所に活性金属によるメタライズを
施し、この表面にＮｉメッキを施した後、パラジウムろ
う（Ｐｂ−Ｎｉ ）を介在させて約１０００℃の真空中
にて、Ｔｉ又はＴｉ合金とを接合した。このようにして
得た接合部は、耐蝕性を有し、非常に気密性に優れ、高
い接合強度を有していた。After metallizing the joint part of the back cover body 2 with active metal and plating the surface with Ni, it is bonded with Ti or Ti alloy in a vacuum at about 1000°C with palladium solder (Pb-Ni) interposed. Joined. The joint thus obtained had corrosion resistance, excellent airtightness, and high joint strength.
畝上のように本発明によれば、金属から成る中子と、セ
ラミックスあるいは人造宝石から成る裏ぶた本体の２つ
の部材で構成し、中子と裏ぶた本体を金、パラジウムな
どの貴金属を主成分とするろう材によりロー付け接合す
ることで裏ぶたとしての機能を保持せしめることができ
ることから、胴及び裏ぶたがセラミックスあるいは人造
宝石から成る価値の高い時計用ケースが得られる。この
ように本発明の実用的効果は極めて大きい。According to the present invention, as shown in Ujigami, the core is made of metal and the back cover body is made of ceramics or artificial jewelry. Since the function as a case back can be maintained by brazing and joining with a brazing filler metal, a highly valuable watch case whose body and case back are made of ceramic or artificial gemstones can be obtained. As described above, the practical effects of the present invention are extremely large.
第１図は、本発明の時計用ケースの構造の実施例を示す
要部断面図、第２図は従来例による腕時計用ケースの構
造を示す要部断面図である。
１１１・・・胴
ｌａ、ｌｌａ・・・胴内壁溝
２．１２・・・裏ぶた本体
３・・・中子
３ａ、１２ａ・・・係合突起
４．１４・・・透明体
５．１５・・・パツキン
特許出願人 セイコーエプソン株式会社同 京
セラ株式会社FIG. 1 is a cross-sectional view of a main part showing an embodiment of the structure of a watch case according to the present invention, and FIG. 2 is a cross-sectional view of a main part showing a structure of a wristwatch case according to a conventional example. 111...Body la, lla...Body inner wall groove 2.12...Back lid main body 3...Inner core 3a, 12a...Engaging protrusion 4.14...Transparent body 5.15...・Patsukin patent applicant Seiko Epson Corporation Kyocera Corporation
Claims (1)
は人造宝石の素材から成る時計用ケースの胴の内壁の一
部又は全周に溝を形成し、裏ぶたは胴内壁溝に対向する
位置に係合突起を配設し該突起と胴内壁溝とを係合させ
ることにより胴と裏ぶたを固定せしめにる構造において
、裏ぶたは本体と中子の二体で構成し、該中子に係合突
起を形成し該中子とセラミックス又は人造宝石から成る
裏ぶた本体とを金、パラジウムなどの貴金属を主成分と
したろう材によりロー付け接合したことを特徴とする時
計用ケースの構造及。1. A groove is formed on a part or the entire circumference of the inner wall of the watch case of a watch case, in which part or all of the case and case back are made of ceramic or artificial gem material, and the case back engages at a position opposite to the groove in the case's inner wall. In a structure in which the case and back cover are fixed by disposing a protrusion and engaging the protrusion with a groove on the inner wall of the case, the case back is composed of two bodies, a main body and a core, and an engaging protrusion is provided on the core. The structure of a watch case is characterized in that the core is formed and the case back body made of ceramics or an artificial gemstone is brazed and joined with a brazing material mainly composed of a precious metal such as gold or palladium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8417287A JPS63249085A (en) | 1987-04-06 | 1987-04-06 | Structure of case for timepiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8417287A JPS63249085A (en) | 1987-04-06 | 1987-04-06 | Structure of case for timepiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63249085A true JPS63249085A (en) | 1988-10-17 |
Family
ID=13823073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8417287A Pending JPS63249085A (en) | 1987-04-06 | 1987-04-06 | Structure of case for timepiece |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63249085A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315866A (en) * | 2004-04-30 | 2005-11-10 | Rolex Sa | Ratchet type assembling device for engaging one or both of backcover and bezel with middle case of time piece |
| EP2615507A1 (en) * | 2012-01-13 | 2013-07-17 | Comadur S.A. | Keramic external part of a timepiece |
| WO2018101332A1 (en) | 2016-11-29 | 2018-06-07 | 京セラ株式会社 | Timepiece case |
| EP3666745A1 (en) * | 2018-12-14 | 2020-06-17 | Comadur S.A. | Method for brazing titanium alloy components with ceramic components made of zirconia for timepieces or jewellery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6015583A (en) * | 1983-07-07 | 1985-01-26 | Kawaguchiko Seimitsu Kk | Fixing method of exterior parts for timepiece |
| JPS6246284A (en) * | 1985-08-23 | 1987-02-28 | Citizen Watch Co Ltd | Case for timepiece |
-
1987
- 1987-04-06 JP JP8417287A patent/JPS63249085A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6015583A (en) * | 1983-07-07 | 1985-01-26 | Kawaguchiko Seimitsu Kk | Fixing method of exterior parts for timepiece |
| JPS6246284A (en) * | 1985-08-23 | 1987-02-28 | Citizen Watch Co Ltd | Case for timepiece |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315866A (en) * | 2004-04-30 | 2005-11-10 | Rolex Sa | Ratchet type assembling device for engaging one or both of backcover and bezel with middle case of time piece |
| JP4624833B2 (en) * | 2004-04-30 | 2011-02-02 | ロレックス ソシエテ アノニム | Ratchet type assembly device for fitting one or both of back cover and bezel to middle case of watch |
| EP2615507A1 (en) * | 2012-01-13 | 2013-07-17 | Comadur S.A. | Keramic external part of a timepiece |
| US8864369B2 (en) | 2012-01-13 | 2014-10-21 | Comadur S.A. | Member comprising a ceramic element |
| RU2619013C2 (en) * | 2012-01-13 | 2017-05-11 | Комадюр С.А. | Part containing ceramic element |
| WO2018101332A1 (en) | 2016-11-29 | 2018-06-07 | 京セラ株式会社 | Timepiece case |
| EP3666745A1 (en) * | 2018-12-14 | 2020-06-17 | Comadur S.A. | Method for brazing titanium alloy components with ceramic components made of zirconia for timepieces or jewellery |
| JP2020095026A (en) * | 2018-12-14 | 2020-06-18 | コマディール・エス アー | Method for brazing titanium alloy components with zirconia-based ceramic components for horology or jewellery |
| CN111320486A (en) * | 2018-12-14 | 2020-06-23 | 科马杜尔公司 | Method for brazing titanium alloy components to ceramic components based on zirconia for timepieces or jewellery |
| KR20200074866A (en) * | 2018-12-14 | 2020-06-25 | 코마도 쏘시에떼 아노님 | Method for brazing titanium alloy components with zirconia-based ceramic components for horology or jewellery |
| RU2726535C1 (en) * | 2018-12-14 | 2020-07-14 | Комадюр С.А. | Method of soldering titanium alloy components with ceramic components based on zirconium dioxide for watchmaking or jewelry industry |
| TWI710543B (en) * | 2018-12-14 | 2020-11-21 | 瑞士商柯瑪豆股份有限公司 | Method for brazing titanium alloy components with zirconia-based ceramic components for horology or jewellery |
| US11498879B2 (en) | 2018-12-14 | 2022-11-15 | Comadur Sa | Method for brazing titanium alloy components with zirconia-based ceramic components for horology or jewellery |
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