JPS6246284A - Case for timepiece - Google Patents

Abstract

PURPOSE:To enable the case of a timepiece to be made waterproof and thin and reduced in size by rigidly joining raw materials, such as sapphire, glass, noble stone and the like, to one another by soldering. CONSTITUTION:A 0.2-1mu thick gaseous phase plating layer 6 is formed by sputtering (e.g., Cr, Au) or the like on the joining surface of a cover glass 1 made of, for example, sapphire and a 0.5-10mu thick wet plating layer 7 is formed on the surface of the layer 6 by electroless plating (e.g., Ni, Au) or electrolytic plating (e.g., Au). A liquid solder is printed on the surface of the layer 7 by screen printing. Also on the joining surface of a noble stone drum 2, the gaseous phase plating layer 6 and the wet plating layer 7 are processed in the same methods. Then, the cover glass 1 and the drum 2 are rigidly joined together through soldering by pressing the cover glass 1 placed on the joining surface of the drum 2 and heating them, for example, at 250-300 deg.C for 5-15min. Thus, raw materials, such as sapphire, glass, noble stone and the like, can be rigidly joined to one another by soldering to enable the case of a timepiece to be made waterproof and thin and reduced in size.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はサファイヤ、ガラス、貴石、セラミック等から
なる貴石時計の時計用側に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the watch side of a precious stone watch made of sapphire, glass, precious stones, ceramics, etc.

〔従来の技術〕[Conventional technology]

従来技術は第４図の貴石時計の断面図に示すものがある
。１０はサファイヤからなるカバーガラス、１１は貴石
外胴、１２は金属裏蓋、１６は金属内胴、１４は接着剤
、２０は裏蓋固定ネジ部。A conventional technique is shown in FIG. 4, which is a sectional view of a precious stone watch. 10 is a cover glass made of sapphire, 11 is a precious stone outer case, 12 is a metal back cover, 16 is a metal inner case, 14 is an adhesive, and 20 is a back cover fixing screw.

２１は文字板、２２はモジュール、２３は中枠をそれぞ
れ示スＩ０サファイヤからなるカバーガラス１０は金属
内胴１３に接着剤１４で接着固定され、貴石外胴１１も
接着剤１４で金属内胴１６：′こ接：前固定されている
。金属裏蓋１２は、金属内＋１ｉ４ｉ　３に金属裏蓋１
２の中子２４に形成されたネジにより固定されている。Reference numeral 21 indicates a dial plate, 22 indicates a module, and 23 indicates an inner frame. A cover glass 10 made of I0 sapphire is adhesively fixed to a metal inner shell 13 with an adhesive 14, and a precious stone outer shell 11 is also attached to a metal inner shell with an adhesive 14. 16: ′-closed: Front is fixed. The metal back cover 12 has a metal back cover 1 inside the metal +1i4i3.
It is fixed by a screw formed in the core 24 of No. 2.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

このような従来の時計側は、非防水構造で、金属内胴１
６のため細緑化が不可能で時計１（１１の外径が大きく
なり、デザインを悪＜ｔ、Ｃいた。又裏蓋も金属裏蓋を
使用しなければならず、オール貴石時計のように美しい
イメージの商品とすることが出来なかった。Such a conventional watch side has a non-waterproof structure and has a metal inner case.
6, it was impossible to make thin greenery, and the outer diameter of the watch 1 (11) became large, resulting in a bad design.Also, a metal back cover had to be used, making it look like an all-precious stone watch. It was not possible to create a product with a beautiful image.

又接着固定のため貴石外胴１１の外れクレームも多発し
ていた。Moreover, there were many complaints about the precious stone outer body 11 coming off due to adhesive fixation.

本発明は上記の問題点を解決して、サファイヤ。The present invention solves the above problems and produces sapphire.

ガラス、貴石、セラミック等の異材からなり、薄型でし
かも小型で機能的にも、デザイン的にも優れた防水時計
用側を提供することを目的とする。To provide a waterproof watch side made of different materials such as glass, precious stones, ceramics, etc., which is thin, small, and excellent in functionality and design.

〔問題点を解決するための手段〕[Means for solving problems]

前記目的を達成するための本発明の構成は、カバーガラ
ス、胴、裏蓋がサファイヤ、ガラス、貴石、セラミック
等からなる不導体無機物質にて形成され、前記カバーガ
ラスと胴、裏蓋止メネジ用の金属ネジブツシュと胴、巻
真パイプと胴とをハンダ接合により固定し、前記不導体
無機物質のハンダ接合面の全部又は一部分はハンダ接合
前に気相メッキ層を下地としてその上に湿式メッキ層を
設けてあることを特徴としている。In order to achieve the above object, the present invention has a structure in which the cover glass, the case, and the back cover are made of a nonconducting inorganic material such as sapphire, glass, precious stones, ceramics, etc., and the cover glass, the case, and the back cover set screw. The metal screw bush and the body, and the winding stem pipe and the body are fixed by soldering, and all or part of the solder joint surface of the nonconducting inorganic material is wet-plated on a vapor phase plating layer as a base before soldering. It is characterized by having layers.

〔実施例〕〔Example〕

以下図面に基づいて本発明の詳細な説明する。 The present invention will be described in detail below based on the drawings.

第１図は本発明の一実施例である貴石時計の断面図であ
る。１はサファイヤからなるカバーガラス、２は貴石用
、６はサファイヤ裏蓋、４は金属ネジブツシュ、５は央
蓋止メネジ、８はハンダ、１５は中枠、１６はパツキン
、１７はモジュール、１８は文字板をそれぞれ示す。サ
ファイヤからなるカバーガラス１と貴石用２、金属ネジ
ブ、／ユ４と貴石用２はハンダ゛８により強固に接合さ
れているので、従来の側で使用していた金属内胴１６は
不要になり細線化、薄型化構造になっている。FIG. 1 is a sectional view of a precious stone timepiece that is an embodiment of the present invention. 1 is a cover glass made of sapphire, 2 is for precious stones, 6 is a sapphire back cover, 4 is a metal screw bushing, 5 is a central cover fixing screw, 8 is solder, 15 is a middle frame, 16 is a packing, 17 is a module, and 18 is a Each dial is shown. Since the cover glass 1 made of sapphire, the metal screw tube 4, and the precious stone 2 are firmly bonded by solder 8, the metal inner shell 16 that was conventionally used on the side is no longer necessary. It has a thinner wire and thinner structure.

又サファイヤからなるカバーガラス１と貴石用２は気密
性をもってハンダ接合されているので、サファイヤ裏蓋
６を県蓋止メネジ５で締めて押上げると、パツキン１６
を圧縮して気密性をもち、防水構造となる。第２図は貴
石用とサファイヤからなるカバーガラスとのハンダ接合
部の要部断面図である。６は気相メッキ層、７は湿式メ
ッキ層を示し、８はハンダである。サファイヤからなる
カバーガラス１の接合面に、スパックリング（ｃｒ、Ａ
ｕ、ｅｔｃ）等により、０２〜ｌμｔの気相メツど キ層与を形成し、その上面に、無電解メッキ（Ｎ　ｉ、
　Ａｕ、　　ｅｔｃ　）、又は電解メッキ（Ａｕ、Ｐ　
ｄ　／Ｎ　ｉ、　　ｅｔｃ　）により、０５〜ｌＯμｔ
の湿式メンキ層７が形成されている。湿式メッキ層７の
上面に、スクリーン印刷法で液状ハンダを印刷する。ま
た、貴石用２の接合面にも気相メッキ層６、湿式メッキ
層７をカバーガラス１と同じ方法で処理する。次に、サ
ファイヤからなるカバーガラス１を貴石用２の接合面に
乗せて、加圧し、２５０〜３００℃で５〜１５分間加熱
することにより、カバーガラス１と貴石用２は強固に、
ノ・ノダ接合される。第３図は貴石用と金属ネジプノン
ユの接合部の要部断面図である。貴石用２の金属ネジプ
ツシ−嵌合穴内面には前記カバーガラス１と同じ方法で
、気相メッキ層６と湿式メッキ層７が処理されている。In addition, the cover glass 1 made of sapphire and the precious stone 2 are soldered together to ensure airtightness, so when the sapphire back cover 6 is tightened with the female locking screw 5 and pushed up, the cover glass 16
is compressed to create an airtight and waterproof structure. FIG. 2 is a sectional view of a main part of a solder joint between a precious stone cover glass and a cover glass made of sapphire. 6 is a vapor phase plating layer, 7 is a wet plating layer, and 8 is solder. Spackling (CR, A) is placed on the bonding surface of the cover glass 1 made of sapphire.
A vapor phase plating layer of 02 to 1μt is formed using Ni, etc.), and electroless plating (Ni,
Au, etc), or electrolytic plating (Au, P
d/N i, etc), 05~lOμt
A wet coating layer 7 is formed. Liquid solder is printed on the upper surface of the wet plating layer 7 by screen printing. Further, a vapor phase plating layer 6 and a wet plating layer 7 are applied to the joint surface of the precious stone 2 in the same manner as the cover glass 1. Next, the cover glass 1 made of sapphire is placed on the joint surface of the precious stone 2, pressurized, and heated at 250 to 300°C for 5 to 15 minutes, so that the cover glass 1 and the precious stone 2 are firmly bonded.
No Noda is joined. FIG. 3 is a sectional view of the main part of the joint between the precious stone and the metal screw. The inner surface of the metal screw fitting hole 2 for precious stones is treated with a vapor phase plating layer 6 and a wet plating layer 7 in the same manner as the cover glass 1.

金属ネジブツシュ４にはハンダ８のヌレ注を向とさせる
ため、図示はしていないが２μｔのＰ　ｄ　−Ｎ　ｉ電
解メッキが施されている。金属ネジブツシュ４に仮ネジ
を入れて、金属ネジブツシュ４の外周に、液状ハンダを
塗布し、貴石用２の金属ブツシュ嵌合穴に金属ネジブツ
シュ４を挿入して、２５０〜３００°Ｃで５〜１５分間
加熱することにより、金属ネジブツシュ４と貴石用２と
が強固にノ・ノダ接合される。又、リューズ部の巻真パ
イプも金属ネジブツシュ４と同じ方法で貴石用２のパイ
プ穴にハンダ接合される。本実施例で完成した貴石時計
側にモジュール１７を組込んで、防水試験、衝撃試験等
の出荷検査を実施した結果、防水時計としての諸機能を
十分満足する。又サフ乎イヤを裏蓋に便用すると、耐圧
特性が優れているので、裏蓋の薄型化ができ、側の薄型
化とオール貴石時計側の製作が可能となった。Although not shown, the metal screw bushing 4 is plated with P d -Ni electrolytic plating of 2 μt in order to direct the wetting of the solder 8 . Insert a temporary screw into the metal screw bushing 4, apply liquid solder to the outer periphery of the metal screw bushing 4, insert the metal screw bushing 4 into the metal bushing fitting hole of 2 for precious stones, and heat at 250 to 300°C for 5 to 15 minutes. By heating for a minute, the metal threaded bush 4 and the precious stone 2 are firmly bonded. Further, the winding stem pipe of the crown portion is also soldered to the pipe hole for precious stones 2 in the same manner as the metal screw bushing 4. As a result of incorporating the module 17 into the precious stone watch completed in this example and carrying out shipping inspections such as a waterproof test and an impact test, the watch fully satisfies various functions as a waterproof watch. Furthermore, when used for the case back, the case back can be made thinner due to its excellent pressure resistance, making it possible to make the case back thinner and to manufacture watches made entirely of precious stones.

又本実施例によれば、サファイヤ側、ガラス側、セラミ
ック側も量産化が可能となった。尚不導体無機物質どう
しの接合面に気相メッキ層と湿式メッキ層からなる２層
を形成する理由は、ハンダの接合カアノプと接合面の外
観品質を向上するためである。Furthermore, according to this embodiment, mass production of the sapphire side, glass side, and ceramic side is also possible. The reason why two layers consisting of a vapor phase plating layer and a wet plating layer are formed on the bonding surface between nonconducting inorganic materials is to improve the appearance quality of the solder bonding cap and the bonding surface.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、本発明によればサファイヤ、ガラ
ス、貴石、セラミックス等の素材同志を強固にハンダ接
合することが可能となり、上記素材の時計側は防水化、
細繊化、薄型化、小型化が可能となり、デザイン的に優
れ、機能的にも問題無く提供することが可能となった。As explained above, according to the present invention, materials such as sapphire, glass, precious stones, and ceramics can be firmly soldered together, and the watch side of the materials can be made waterproof.
It has become possible to make it finer, thinner, and smaller, and it has become possible to provide excellent design and functionality without any problems.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図より第３（２）は本発明の一実施例を示し、第１
図は貴石時計の断面図、第２図は貴石用とカバーガラス
のハンダ接合部の要部断面図、第３図は貴石用と金属ネ
ジブツシュの接合部の要部断面図、第・１図は従来の貴
石時計の断面図である。 １．１０・・・・・カバーガラス、２・・・・・・貴石
用、６・・・・・サファイヤ裏蓋、 ４・・・・・・金属ネジブノ／−１５・・・・・・裏蓋
止メネジ、６・・・・・・気相メッキ層、７・・・・・
湿式メッキ層、８・　・・ハンダ、１１・・・・貴石外
胴、１２・・・・金属裏蓋、１６・・・・・金属内胴、
１４・・・・・接着剤、１５．２６・・・・・・中枠、
１６　・・・パツキン、１７．２２・・・・・モジュー
ル、１８．２１・・・・・・文字板、 ２０・・・・・・裏蓋固定ネジ部、２４・・・・・・中
子。 Ｊ＠１　　図 ＋３１＼−〕”う天From FIG. 1, 3(2) shows an embodiment of the present invention, and 1st
The figure is a cross-sectional view of a precious stone watch, Figure 2 is a cross-sectional view of the main part of the solder joint between the precious stone and the cover glass, Figure 3 is a cross-sectional view of the main part of the joint between the precious stone and the metal screw bushing, and Figure 1 is FIG. 2 is a sectional view of a conventional precious stone watch. 1.10...Cover glass, 2...For precious stones, 6...Sapphire back cover, 4...Metal screw knob/-15...Back Lid fixing female screw, 6... Vapor phase plating layer, 7...
Wet plating layer, 8...Solder, 11...Precious stone outer case, 12...Metal back cover, 16...Metal inner case,
14...Adhesive, 15.26...Inner frame,
16...Packskin, 17.22...Module, 18.21...Dial plate, 20...Back cover fixing screw part, 24...Inner core . J@1 Figure +31＼-〕”Uten

Claims (1)

【特許請求の範囲】[Claims] カバーガラス、胴、裏蓋がサファイヤ、ガラス、貴石、
セラミック等からなる不導体無機物質にて形成され、前
記カバーガラスと胴、裏蓋止メネジ用の金属ネジブッシ
ュと胴、巻真パイプと胴とをハンダ接合により固定し、
前記不導体無機物質のハンダ接合面の全部又は一部分は
ハンダ接合前に気相メッキ層を下地としてその上に湿式
メッキ層を設けてあることを特徴とする時計用側。The cover glass, body, and back cover are made of sapphire, glass, and precious stones.
The cover glass is made of a non-conducting inorganic material such as ceramic, and the cover glass and the body, the metal screw bush for the back cover fixing screw and the body, and the winding stem pipe and the body are fixed by soldering,
A watch side characterized in that all or a part of the solder joint surface of the non-conducting inorganic material is provided with a vapor phase plating layer as a base and a wet plating layer thereon before soldering.