JPS5913715B2 - Watch case and its manufacturing method - Google Patents
Watch case and its manufacturing methodInfo
- Publication number
- JPS5913715B2 JPS5913715B2 JP12690276A JP12690276A JPS5913715B2 JP S5913715 B2 JPS5913715 B2 JP S5913715B2 JP 12690276 A JP12690276 A JP 12690276A JP 12690276 A JP12690276 A JP 12690276A JP S5913715 B2 JPS5913715 B2 JP S5913715B2
- Authority
- JP
- Japan
- Prior art keywords
- case
- shell
- filler
- wristwatch
- manufacturing
- 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.)
- Expired
Links
Landscapes
- Electric Clocks (AREA)
- Electroplating Methods And Accessories (AREA)
Description
【発明の詳細な説明】
本発明は電鋳成形法を利用して形成した腕時計用ケース
とその製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a wristwatch case formed using an electroforming method and a method for manufacturing the same.
電鋳成形法は、マスターに施された模様等を精密に転写
することが可能な優れた成形法であるがこれを腕時計用
ケースの製造方法に応用した場合、第１図、第２図に示
すような形状、構造を有する腕時計用ケース１が得られ
る。The electroforming method is an excellent molding method that can accurately transfer patterns etc. applied to the master, but when applied to the manufacturing method of watch cases, the results shown in Figures 1 and 2. A wristwatch case 1 having the shape and structure shown is obtained.
（尚、第１図は腕時計用ケース１の倒立した状態の図で
ある。(FIG. 1 is a diagram of the wristwatch case 1 in an inverted state.
）この場合、図面から明らかなように、腕時計用ケース
１のＭ２ 、ニアの部分の空間部３，３′を有し、銃２
．２′は断面中空状の構造体となって（・る。) In this case, as is clear from the drawing, M2 of the wristwatch case 1 has spaces 3 and 3' in the near part, and the gun 2
．． 2' is a structure with a hollow cross section.
しかし＠Ａ２ 、２’（７）構造が断面中空状となって
℃・るのは組立加工上、また体裁上好ましくなく、従っ
て、銃２−，２’の空間部３，３′に穴埋めをする必要
がある。However, it is undesirable for the @A2, 2' (7) structure to have a hollow cross section in terms of assembly and appearance. There is a need to.
しかしながら、この穴埋めは非常に困難な作業であり、
例えば、電鋳成形後、前記空間部３゜ごに充填材を環装
し、ロー付する方法があるが、完全に隙間なく固着する
ためには仕上型打を行なって全体を締める必要があり、
この場合、仕上型打を行なうことによって、模様等の転
写部分が押しつぶされてしま（・、電鋳成形法によるメ
リットが活かされな（・と（・う欠点がある。However, filling this gap is a very difficult task.
For example, after electroforming, there is a method of enclosing a filler every 3 degrees in the space and brazing it, but in order to secure it completely without any gaps, it is necessary to perform a finishing stamp to tighten the whole thing. ,
In this case, the transfer part of the pattern etc. is crushed by performing the final stamping, and the advantages of the electroforming method are not fully utilized.
本発明は上記の点に鑑み、銃に空間部のな（・腕時計用
ケースとその製造方法を提供しようとするものである。In view of the above-mentioned points, the present invention seeks to provide a case for a wristwatch that does not have a space in the gun, and a method for manufacturing the same.
以下、本発明の実施例を図面に基づき説明する。Embodiments of the present invention will be described below based on the drawings.
４は電鋳成形に用℃・るマスターで、このマスター４は
腕時計用ケースの外面形状に対応した彫刻面４ａを有し
、且つこの彫刻面４ａには、腕時計用ケースの表面模様
が施されて（・る。4 is a master used for electroforming, and this master 4 has an engraved surface 4a corresponding to the outer shape of a wristwatch case, and this engraved surface 4a has a surface pattern of the wristwatch case. Te(・ru.
前記彫刻面４ａに銀鏡膜等（図示せず）を形成して導通
処理を施し、通常の方法により第１回の電鋳加工を行な
う。A silver mirror film or the like (not shown) is formed on the engraved surface 4a to conduct a conductive process, and a first electroforming process is performed using a conventional method.
電解によって彫刻面４ａに金属が沈着し、金属層５が形
成される。Metal is deposited on the engraved surface 4a by electrolysis, and a metal layer 5 is formed.
この金属として、金合金、ニッケル、銅等が用も・られ
る。Gold alloys, nickel, copper, etc. can also be used as this metal.
前記金属層５はケース外殻６を構成する。The metal layer 5 constitutes a case outer shell 6.
このケース外殻６は、銚７．７′と胴８とカバーガラス
取付部９を有し、前記銃７，７′には空間部１０，１σ
が形成されて（・る。This case outer shell 6 has a jaw 7, 7', a barrel 8, and a cover glass attachment part 9, and the guns 7, 7' have spaces 10, 1σ
is formed (・ru.
所定厚みにケース外殻６を形成した後、これをマスター
４から離脱せず、そのまへの状態で、前記ケース外殻６
に充填材１１を環装し、前記空間部１０を充填材１１に
て埋める。After forming the case outer shell 6 to a predetermined thickness, the case outer shell 6 is left as it is without being removed from the master 4.
A filler 11 is placed around the space 10 to fill the space 10 with the filler 11.
充填材１１は、グラスチック、或（・はアルミニウム合
金、亜鉛合金、その他の低融点合金材から成り、予めケ
ース外殻６及び後述するケース内殻１２に対応した形状
に形成しておく。The filler 11 is made of glass, aluminum alloy, zinc alloy, or other low melting point alloy material, and is formed in advance into a shape corresponding to the case outer shell 6 and the case inner shell 12, which will be described later.
この充填材１１０表面に銀鏡膜やアルミ蒸着膜等（図示
せず）を形成して導通処理を施し、しかる後、第２回の
電鋳加工を行な（・、前記充填材１１０表面に金属層５
１を所定厚みに形成する。A silver mirror film, an aluminum vapor deposition film, etc. (not shown) are formed on the surface of the filler 110 to conduct a conductive treatment, and then a second electroforming process is performed (the surface of the filler 110 is coated with metal). layer 5
1 to a predetermined thickness.
この金属層５′は前記金属層５と同じ金属で形成される
。This metal layer 5' is made of the same metal as the metal layer 5.
金属層５′はケース内殻１２を構成し、充填材１１を被
覆する。The metal layer 5' constitutes the case inner shell 12 and covers the filler 11.
かくして形成した電鋳成形体１３をマスター４から取外
し、必要な加工を行なって、腕時計用ケース１４を得た
。The electroformed body 13 thus formed was removed from the master 4 and subjected to necessary processing to obtain a wristwatch case 14.
この腕時計用ケース１４は、前記電鋳成形法により形成
したケース外殻６及びケース内殻１２と、前記ケース外
殻６とケース内殻１２との間に填装した充填材１１とよ
り成り、第５図、第６図に示すように、＠７，７’に空
間部がなく、銃７は断面肉厚のムク構造となって（゛る
。This wristwatch case 14 is made up of a case outer shell 6 and a case inner shell 12 formed by the electroforming method, and a filler 11 filled between the case outer shell 6 and the case inner shell 12. As shown in FIGS. 5 and 6, there is no space at @7, 7', and the gun 7 has a solid structure with a thick cross section.
（尚、第５図は腕時計用ケース１４の倒立した状態の図
である。(FIG. 5 is a diagram of the wristwatch case 14 in an inverted state.
）本発明は上記の如く構成したので、銃に空間部のな℃
・腕時計用ケースを提供でき、その結果、ケース製作後
に銃の空間部に穴埋めをすると（・う面倒な作業が不要
となり作業能率を改善できる。) Since the present invention is constructed as described above, there is no space in the gun.
・We can provide a case for a wristwatch, and as a result, filling the hole in the gun space after making the case eliminates the need for tedious work and improves work efficiency.
また本発明は充填材を填装した後、第２回の電鋳加工を
施すので、ケース内殻と充填材とは密に接触して構成さ
れ、両者間に隙間を生じることがなし・から、仕上型打
を行なう必要がなく、従って模様等の転写部分が押しつ
ぶされるという問題は生じなく、電鋳加工によって形成
された転写模様等を何らの変化もなく維持することがで
きる。In addition, in the present invention, the second electroforming process is performed after filling the filler, so the case inner shell and the filler are in close contact with each other, and there is no gap between them. There is no need to perform finishing stamping, so there is no problem of the transferred portion of the pattern etc. being crushed, and the transferred pattern etc. formed by electroforming can be maintained without any change.
更に本発明は、ケース外殻とケース内殻との間に充填材
を填装するから、ケース素材としての金属の封目量を少
なくすることができ、コストの低減を図り得、特に金合
金製時計ケースのように貴金属を用（゛る時計ケースに
お（・ては実益大なるものがある。Furthermore, since the present invention fills the space between the case outer shell and the case inner shell, the amount of sealing metal used as the case material can be reduced, and costs can be reduced. There are great benefits to watch cases that use precious metals, such as watch cases.
しかして本発明によれば、付加価値の高し・表面模様を
有する腕時計用ケースの製造が可能となり、作業性良好
にして安価な腕時計用ケースを提供できる効果がある。Therefore, according to the present invention, it is possible to manufacture a wristwatch case with high added value and a surface pattern, and it is possible to provide an inexpensive wristwatch case with good workability.
第１図は従来の製造方法により得られた腕時計用ケース
の倒立した状態の縦断面図、第２図は第゛１図の一部欠
截平断面図、第３図、第４図は本発明の製造工程を示す
縦断面図、第５図は本発明方法により得られた腕時計用
ケースの倒立した状態の縦断面図、第６図は第５図の一
部欠截平断面図である。
６・・・ケース外殻、１１・・・充填材、１２・・・ケ
ース内殻、１４・・・腕時計用ケース。Figure 1 is a vertical cross-sectional view of a wristwatch case obtained by a conventional manufacturing method in an inverted state, Figure 2 is a partially cutaway plan cross-sectional view of Figure 1, and Figures 3 and 4 are from the original. FIG. 5 is a vertical cross-sectional view showing the manufacturing process of the invention, FIG. 5 is a vertical cross-sectional view of a wristwatch case obtained by the method of the present invention in an inverted state, and FIG. 6 is a partially cutaway plan cross-sectional view of FIG. . 6...Case outer shell, 11...Filling material, 12...Case inner shell, 14...Watch case.
Claims (1)
殻と、前記ケース外殻とケース内殻の間に環装した充填
材とより成る腕時計用ケース。 ２ ケース外殻とケース内殻は、金合金、ニッケル、銅
等の金属から成る特許請求の範囲第１項記載の腕時計用
ケース。 ３ 充填材はプラスチック或（・は、アルミニウム合金
、亜鉛合金、その他の低融点合金材から成る特許請求の
範囲第１項記載の腕時計用ケース。 ４ 第１回の電鋳加工を行なってマスターにケース外殻
を形成し、次（・で、前記ケース外殻に充填材を環装し
、しかる後、第２回の電鋳加工を行なって前記充填材の
表面にケース内殻を形成したことを特徴とする腕時計用
ケースの製造方法。 ５ 第２回の電鋳加工の際、充填材の表面に導通処理を
施す特許請求の範囲第４項記載の腕時計用ケースの製造
方法。[Scope of Claims] 1. A wristwatch case comprising an outer case shell and an inner case shell formed by electroforming, and a filler ringed between the outer case shell and the inner case shell. 2. The wristwatch case according to claim 1, wherein the case outer shell and the case inner shell are made of metal such as gold alloy, nickel, or copper. 3 The watch case according to claim 1, in which the filler is made of plastic or aluminum alloy, zinc alloy, or other low melting point alloy material. 4 The first electroforming process is performed to form a master. A case outer shell is formed, and then a filler is applied to the case outer shell, and then a second electroforming process is performed to form a case inner shell on the surface of the filler. A method for manufacturing a wristwatch case, characterized in that: 5. The method for manufacturing a wristwatch case according to claim 4, wherein a conductive treatment is applied to the surface of the filler during the second electroforming process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12690276A JPS5913715B2 (en) | 1976-10-22 | 1976-10-22 | Watch case and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12690276A JPS5913715B2 (en) | 1976-10-22 | 1976-10-22 | Watch case and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5352158A JPS5352158A (en) | 1978-05-12 |
| JPS5913715B2 true JPS5913715B2 (en) | 1984-03-31 |
Family
ID=14946706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12690276A Expired JPS5913715B2 (en) | 1976-10-22 | 1976-10-22 | Watch case and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5913715B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS604014A (en) * | 1983-06-23 | 1985-01-10 | Seiko Instr & Electronics Ltd | Manufacture of wrist watch case |
-
1976
- 1976-10-22 JP JP12690276A patent/JPS5913715B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5352158A (en) | 1978-05-12 |
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