JPS5938556B2 - Manufacturing method for watch side - Google Patents
Manufacturing method for watch sideInfo
- Publication number
- JPS5938556B2 JPS5938556B2 JP13465779A JP13465779A JPS5938556B2 JP S5938556 B2 JPS5938556 B2 JP S5938556B2 JP 13465779 A JP13465779 A JP 13465779A JP 13465779 A JP13465779 A JP 13465779A JP S5938556 B2 JPS5938556 B2 JP S5938556B2
- Authority
- JP
- Japan
- Prior art keywords
- packing
- glass
- exterior
- manufacturing
- 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.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title claims 5
- 239000011521 glass Substances 0.000 claims description 26
- 238000012856 packing Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 5
- 230000009477 glass transition Effects 0.000 claims description 3
- 229920006125 amorphous polymer Polymers 0.000 claims 3
- 239000002861 polymer material Substances 0.000 claims 3
- 238000004806 packaging method and process Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000003446 memory effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
本発明は、胴、縁、裏プタ等の相互の係合方法に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for mutually engaging a body, a rim, a back cover, etc.
従来、時計用外装部品の固定方法は、たとえば第１図に
示す胴１と裏プタ２の如く、胴の内形寸法Ａと裏プタの
外径寸法Ｂとの間にしめ代（Ｂ−Ａ）を持たせることに
より相互の固定を行つていた。Conventionally, a method for fixing exterior parts for a watch has been to create a tightening margin (B-A ) was used to fix each other.
しかしながら、この方法においては、裏プタを胴に固定
する場合、非常に押し込みにくく、またその時に胴が瞬
間的に押し広げられるため、ガラス３の接着部がはがれ
てしまうという問題があった。また、第２図に示す様な
、胴１にガラスパツキン４を介して、ガラスを固定する
構造において、ガラスパッキン内径Ｄと、ガラス外径Ｃ
に、しめ代（Ｃ−Ｄ）を持たせて、ガラスを押し込むこ
とが行なわれている。しかしながら、この方法に於いて
は、ガラスの押し込みの際に、ガラスとガラスパッキン
が干渉して、パッキンがはみ出すとか、ガラスが水平に
入らないという問題があつた。本発明は、この問題を解
決するもので、高分子材料の、形状記憶効果を利用して
、外装部品の、相互固定を行なおうとするものである。However, in this method, when fixing the back cover to the body, it is very difficult to push it in, and the body is momentarily pushed apart at that time, so there is a problem that the adhesive part of the glass 3 comes off. In addition, in a structure in which glass is fixed to the body 1 through a glass packing 4 as shown in Fig. 2, the inner diameter D of the glass packing and the outer diameter C of the glass
The glass is pushed in with a closing allowance (C-D). However, in this method, when the glass is pushed in, the glass and the glass packing interfere with each other, causing the packing to protrude or the glass not being inserted horizontally. The present invention solves this problem by utilizing the shape memory effect of polymeric materials to fix exterior parts to each other.
形状記憶効果を有する高分子材料は、外力を加えて歪を
生じさせたものをガラス転移点（Ｔｇ）以上に加熱する
ことにより、元の形状に完全に戻るという特性がある。
この効果を有するプラスチックとしてはポリ塩化ビニル
（Ｔｇ７５℃、以下カツコ内はＴｇ点を示す）、アクリ
ル（１０５℃）、ポリスチレン（１００℃）、ポリカー
ボネート（１５０℃）、ＡＢＳ（９５℃）等がある。本
発明による実施例を、具体的に図に従つて述べる。A polymeric material having a shape memory effect has the property of completely returning to its original shape by applying an external force to cause a strain and then heating it above the glass transition point (Tg).
Plastics that have this effect include polyvinyl chloride (Tg 75°C, below the brackets indicate the Tg point), acrylic (105°C), polystyrene (100°C), polycarbonate (150°C), ABS (95°C), etc. . Embodiments according to the present invention will be specifically described with reference to the drawings.
第３図において、裏プタパッキン５を形状記憶プラスチ
ックのポリスチレンで製造する。この黄銅、ステンレス
スチールなど金属の裏プタ２の外周にセツトした裏ブタ
ノぐツキン５のＦ寸法を、黄胴、ステンレススチールな
ど金属の胴の内径Ｅに対して、Ｆ＞ＥであつたのをＦ＜
Ｅの関係になるまで外力により小さくする。この寸法関
係の時に、裏ブタを胴にセツトし、そして、温度をＴｇ
点以上に上げることにより、当初のＦ＞Ｅの関係に戻る
ためＦ−Ｅのしめ代により、裏ブタの固定ができる。こ
の固定方法によれば、外力を加えずに裏ブタを固定状態
にすることができるため、前述した問題はまつたく生じ
なかつた。次に第４図に示す如く、ガラス３と上記金属
の胴１を、上記記憶材料のガラスパツキン４を介して、
固定する構造においてガラスをアクリルで作り、ガラス
を圧縮して、ガラス外径Ｇと、ガラスパツキン内径Ｈと
の関係をＨ＞Ｇとしておき、ガラスをガラスパツキン内
にセツトして、Ｔｇ点以上に戻すことにより、ガラスが
元の形状になり、Ｇ＞Ｈとすることにより、固定ができ
る。In FIG. 3, the back packing 5 is made of polystyrene, which is a shape memory plastic. The F dimension of the back butt plug 5 set on the outer periphery of the back cover 2 made of metal such as brass or stainless steel is determined as F>E with respect to the inner diameter E of the metal body such as yellow body or stainless steel. F<
Reduce it by external force until it reaches the relationship E. When these dimensions are met, set the back cover on the body, and set the temperature to Tg.
By raising it above the point, the original relationship of F>E is restored, so the back cover can be fixed with the tightening allowance of F-E. According to this fixing method, the back cover can be fixed without applying any external force, so the above-mentioned problem does not occur at all. Next, as shown in FIG. 4, the glass 3 and the metal body 1 are connected through the glass packing 4 of the storage material.
In the fixing structure, the glass is made of acrylic, the glass is compressed, the relationship between the outer diameter G of the glass and the inner diameter H of the glass packing is H>G, and the glass is set in the glass packing and heated to a temperature above the Tg point. By returning the glass to its original shape, it can be fixed by setting G>H.
この方法により、外力によるガラスの押込みを行なわず
に、容易に安定した固定を行うことができる。以トの様
な、本発明に述べた方法により、薄型化が進み、胴の剛
性の低いケースにおいても、容易に外装部品の相互の係
合を行うことができる。なお、上記ノマツキン４又は５
と接する胴１又は裏ブタ２、ガラス３の接合面のうち少
なくとも一面に凹又は凸を形成しておくと、該パツキン
４又は５がこの凹又は凸に喰い込み接合部の接合力がよ
り向上する。With this method, it is possible to easily and stably fix the glass without forcing the glass in with external force. By the method described in the present invention as described above, the thickness can be reduced, and even in cases where the body has low rigidity, the exterior parts can be easily engaged with each other. In addition, the above Nomatsukin 4 or 5
By forming a concavity or convexity on at least one of the joint surfaces of the body 1 or the back cover 2 and the glass 3 that are in contact with the body, the gasket 4 or 5 will bite into this concavity or convexity, further improving the bonding force of the joint. do.
第１図は、従来の裏ブタ固定方法の説明図である。
第２図は、従来のガラス固定方法の説明図である。第３
図は、本発明による裏ブタの新係合方法の説明図である
。第４図は、本発明によるガラスの係合方法の説明図で
ある。１・・・・・・胴。FIG. 1 is an explanatory diagram of a conventional back cover fixing method. FIG. 2 is an explanatory diagram of a conventional glass fixing method. Third
The figure is an explanatory diagram of a new method of engaging the back cover according to the present invention. FIG. 4 is an explanatory diagram of the glass engagement method according to the present invention. 1... Torso.
Claims (1)
ンを配設して相互に係合する時計側の製造方法において
、前記パツキンに無定形高分子材料を用い、前記パツキ
ンと前記外装部品との少なくとも一方とを係合する前に
、前記パッキンに外力を加えて前記パツキンとの間にし
め代がない状態にして前記外装部品相互間に前記パッキ
ンがセットされている状態で、前記パツキンをガラス転
移温度以上に加熱することにより前記外装部品相互間に
前記パッキンを介してしめ代を発生させて相互に係合す
ることを特徴とする時計用側の製造方法。 ２ 胴、裏ブタ、ガラスなどの外装部品の相互間にパッ
キンを配設して相互に係合する時計側の製造方法におい
て、前記外装部品の少なくとも一つに無定形高分子材料
を用い、前記パッキンと前記高分子材料の外装部品とを
係合する前に、前記高分子材料の外装部品の外力を加え
て前記パツキンとの間にしめ代がない状態にして前記外
装部品相互間に前記パッキンがセットされている状態で
、前記高分子材料の外装部品をガラス転移温度以上に加
熱することにより前記外装部品相互間に前記パッキンを
介してしめ代を発生させて相互に係合することを特徴と
する時計用側の製造方法。[Scope of Claims] 1. A watch manufacturing method in which packing is disposed between exterior parts such as a case, a back lid, and a glass so that they engage with each other, wherein the packing is made of an amorphous polymer material, and the packing is made of an amorphous polymer material, Before engaging the packing and at least one of the exterior components, an external force is applied to the packing so that there is no interference between the packing and the packing, and the packing is set between the exterior components. 1. A method of manufacturing a watch, wherein the packing is heated to a temperature higher than the glass transition temperature to generate a tightening margin between the outer parts through the packing so that the outer parts engage with each other. 2. In a watch manufacturing method in which packing is disposed between exterior parts such as a case, a case back, and a glass so that they engage with each other, at least one of said exterior parts is made of an amorphous polymer material, and said Before engaging the packing and the exterior component made of a polymeric material, an external force is applied to the exterior component made of the polymeric material so that there is no interference between the packaging and the packaging, so that the packing is placed between the exterior components. is set, the exterior parts made of the polymeric material are heated to a temperature higher than the glass transition temperature, thereby generating an interference between the exterior parts through the packing and causing them to engage with each other. A manufacturing method for the watch side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13465779A JPS5938556B2 (en) | 1979-10-18 | 1979-10-18 | Manufacturing method for watch side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13465779A JPS5938556B2 (en) | 1979-10-18 | 1979-10-18 | Manufacturing method for watch side |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5658678A JPS5658678A (en) | 1981-05-21 |
| JPS5938556B2 true JPS5938556B2 (en) | 1984-09-18 |
Family
ID=15133496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13465779A Expired JPS5938556B2 (en) | 1979-10-18 | 1979-10-18 | Manufacturing method for watch side |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5938556B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4851631B1 (en) * | 2010-10-12 | 2012-01-11 | 富士フイルム株式会社 | Light guide plate and planar illumination device |
-
1979
- 1979-10-18 JP JP13465779A patent/JPS5938556B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5658678A (en) | 1981-05-21 |
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