JPH0354823B2 - - Google Patents
Info
- Publication number
- JPH0354823B2 JPH0354823B2 JP58104431A JP10443183A JPH0354823B2 JP H0354823 B2 JPH0354823 B2 JP H0354823B2 JP 58104431 A JP58104431 A JP 58104431A JP 10443183 A JP10443183 A JP 10443183A JP H0354823 B2 JPH0354823 B2 JP H0354823B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- lead wire
- resin
- attachment part
- frame
- 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 - Lifetime
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- Thermally Actuated Switches (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明はサーマルプロテクタの製造方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method of manufacturing a thermal protector.
従来例の構成とその問題点
サーマルプロテクタは、基本的には容器内に可
動電極と固定電極とを対向して設けた構造になつ
ており、モータやトランスなどに取付けられ、そ
の温度が異常に上昇したり、過電流が流れたりし
たとき、可動電極が固定電極から離間するように
動作してモータやトランスなどに流れる電流を遮
断することにより、これらを保護するために用い
られている。従来、このサーマルプロテクタの一
例として、容器内に可動電極と固定電極とを樹脂
で一体化したマウント体を設けたものが知られて
いる。Conventional structure and its problems A thermal protector basically has a structure in which a movable electrode and a fixed electrode are placed facing each other in a container.Thermal protectors are attached to motors, transformers, etc., and are designed to protect against abnormal temperatures. It is used to protect motors, transformers, etc. by moving the movable electrode away from the fixed electrode and cutting off the current flowing to the fixed electrode when the motor rises or an overcurrent flows. Conventionally, as an example of this thermal protector, one is known in which a mount body in which a movable electrode and a fixed electrode are integrated with resin is provided in a container.
しかし、このような従来のサーマルプロテクタ
はあらかじめ所定形状の可動電極および固定電極
を使用して組立てているため、自動化が困難であ
つて、連続生産のシステム化が困難で、コストア
ツプの要因になつていた。 However, because such conventional thermal protectors are assembled in advance using movable electrodes and fixed electrodes of a predetermined shape, it is difficult to automate and systematize continuous production, which is a factor in increasing costs. Ta.
発明の目的
本発明はこのような欠点を除去するためになさ
れたもので、連続生産のシステム化が図れ、低コ
ストで高品質を有するサーマルプロテクタの製造
方法を提供するものである。OBJECTS OF THE INVENTION The present invention has been made to eliminate these drawbacks, and provides a method of manufacturing a thermal protector that can be systematized for continuous production, has low cost, and has high quality.
発明の構成
本発明のサーマルプロテクタの製造方法は、固
定電極取付部、第１の樹脂固定部および第１のリ
ード線取付部を有する同一形状の第１の電極単位
体を第１のブリツジ領域によりこの第１のブリツ
ジ領域の長さ方向に相互に連結した平板状の第１
の電極枠体と、可動電極取付部、第２の樹脂固定
部および第２のリード線取付部を有する同一形状
の第２の電極単位体を第２のブリツジ領域により
この第２のブリツジ領域の長さ方向に相互に連結
した平板状の第２の電極枠体とを、前記第１およ
び第２の電極単位体同士が相対するように対向さ
せ、前記第１および第２の樹脂固定部を樹脂で相
互に一体化し、前記第１および第２の電極枠体を
切断することにより、前記樹脂で前記第１および
第２の電極単位体が相互に一体化された複数の電
極構体を形成し、前記電極構体の前記固定電極取
付部、前記可動電極取付部、前記第１のリード線
取付部および前記第２のリード線取付部にそれぞ
れ回定電極，可動電極，第１のリード線および第
２のリード線を接続してマウント体を形成し、前
記マウント体を容器内に設けたことを特徴とする
ものである。Structure of the Invention The method for manufacturing a thermal protector of the present invention provides a method for manufacturing a thermal protector by attaching a first electrode unit of the same shape having a fixed electrode attachment part, a first resin fixing part, and a first lead wire attachment part to a first bridge region. A flat plate-shaped first
A second electrode unit having the same shape and having an electrode frame body, a movable electrode attachment part, a second resin fixing part, and a second lead wire attachment part is connected to the second bridge area by a second bridge area. A flat second electrode frame body connected to each other in the length direction is opposed so that the first and second electrode unit bodies face each other, and the first and second resin fixing parts are By integrating the first and second electrode units with resin and cutting the first and second electrode frames, a plurality of electrode structures are formed in which the first and second electrode units are integrated with the resin. , a rotating electrode, a movable electrode, a first lead wire, and a first lead wire are attached to the fixed electrode attachment portion, the movable electrode attachment portion, the first lead wire attachment portion, and the second lead wire attachment portion of the electrode assembly, respectively. The present invention is characterized in that two lead wires are connected to form a mount body, and the mount body is provided inside a container.
実施例の説明
以下、本発明の一実施例について図面を用いて
説明する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
第１図は本発明の方法を実施するのに用いる平
板状の第１の電極枠体を示し、例えば、銅−ニツ
ケル合金等の材料からなり、厚さは約0.3〜0.5mm
である。この第１の電極枠体１は固定電極取付部
２、第１の樹脂固定部３および第１のリード線取
付部４を有する同一形状の第１の電極単位体５を
第１のブリツジ領域６，７によりこの第１のブリ
ツジ領域の長さ方向に相互に連結したものからな
つている。第１の電極単位体５の長さl1は6.5mm，
長さl2は12.2mmである。なお、第１図において、
８は後述する樹脂を固定するための孔を示す。ま
た、二点鎖線は切断位置を示す。 FIG. 1 shows a flat first electrode frame used to carry out the method of the present invention, and is made of a material such as a copper-nickel alloy, and has a thickness of about 0.3 to 0.5 mm.
It is. This first electrode frame 1 has a first electrode unit 5 having the same shape, which has a fixed electrode attachment part 2, a first resin fixing part 3, and a first lead wire attachment part 4, and a first bridge area 6. , 7 interconnected in the length direction of this first bridge region. The length l 1 of the first electrode unit 5 is 6.5 mm,
The length l 2 is 12.2 mm. In addition, in Figure 1,
Reference numeral 8 indicates a hole for fixing a resin which will be described later. Further, the two-dot chain line indicates the cutting position.
第２図は同じく平板状の第２の電極枠体を示し
第１の電極枠体１と同一材料からなり、厚さも同
一であり、さらに幅Ｗも同一である。この第２の
電極枠体９は可動電極取付部１０、第２の樹脂固
定部１１および第２のリード線取付部１２を有す
る同一形状の第２の電極単位体１３を第２のブリ
ツジ領域１４，１５によりこの第２のブリツジ領
域の長さ方向に相互に連結したものからなつてい
る。第２の電極体１３の長さl3は6.5mm，長さl4は
9.2mmである。なお、第２図において、１６は樹
脂を固定するための孔を示す。また、二点鎖線は
切断位置を示す。 FIG. 2 shows a second electrode frame which is also flat and made of the same material as the first electrode frame 1, has the same thickness, and also has the same width W. This second electrode frame 9 connects a second electrode unit 13 having the same shape, which has a movable electrode attachment part 10 , a second resin fixing part 11 and a second lead wire attachment part 12 , to a second bridge area 14 . , 15, which are interconnected in the length direction of this second bridge region. The length l 3 of the second electrode body 13 is 6.5 mm, and the length l 4 is
It is 9.2mm. In addition, in FIG. 2, 16 indicates a hole for fixing the resin. Further, the two-dot chain line indicates the cutting position.
第１の電極枠体１および第２の電極枠体９を得
るに際し、上記のように、その両者の材質，厚さ
および幅を同一とすることにより、材料を一種類
ですますことができ、この材料を用いて所定形状
に打抜き形成する。 When obtaining the first electrode frame 1 and the second electrode frame 9, by making the material, thickness and width of both the same as described above, only one type of material can be used. This material is punched into a predetermined shape.
第３図は第１の電極枠体１と第２の電極枠体９
とを対向させ、これらを樹脂で一体化するための
樹脂成形工程を説明するための図である。下側金
型１７の溝１８の底部に第２の電極枠体９を入れ
この上に相互の樹脂流入阻止のためと第１および
第２の電極枠体１，９を所定間隔に保つための金
属板からなるスペーサ１９，２０を介して第１の
電極枠体１をその左端が溝１８の上部に当接する
よう置く。そして、上側金型２１をその溝２２に
第１の電極枠体１が嵌合するように下側金型１７
上に位置合せする。このとき、上側金型２１の溝
２２と下側金型１７の溝１８との相互位置関係に
より、それぞれの溝に入れられた第２の電極枠体
９と第１の電極枠体１とは、第１の電極単位体５
と第２の電極単位体１３とが相対するように対向
する。上側金型２１には樹脂注入口２３が設けら
れている。しかして、あらかじめ所定の温度に加
熱された上側金型２１および下側金型１７内に樹
脂注入口２３から加熱溶融した樹脂を注入し、こ
れを冷却し固化する。その後、上側金型２１を除
去し、第１の樹脂固定部３と第２の樹脂固定部１
１とをそれぞれ樹脂２４で相互に一体化したもの
を得る。この樹脂２４は例えば、ポリフエニレン
サルフアイド（PPS），ポリブチレンテレフタレ
ート（PBT）等にフイラーを混入した耐熱性，
耐燃性の材料からなる。 FIG. 3 shows the first electrode frame 1 and the second electrode frame 9.
It is a figure for explaining the resin molding process for making these face each other and integrating them with resin. A second electrode frame 9 is placed at the bottom of the groove 18 of the lower mold 17, and a second electrode frame 9 is placed on top of the second electrode frame 9 to prevent resin from flowing into each other and to keep the first and second electrode frames 1 and 9 at a predetermined distance. The first electrode frame 1 is placed with its left end in contact with the upper part of the groove 18 with spacers 19 and 20 made of metal plates interposed therebetween. Then, the upper mold 21 is inserted into the lower mold 17 so that the first electrode frame 1 fits into the groove 22 of the upper mold 21.
Align on top. At this time, due to the mutual positional relationship between the groove 22 of the upper mold 21 and the groove 18 of the lower mold 17, the second electrode frame 9 and the first electrode frame 1 placed in the respective grooves are , first electrode unit 5
and the second electrode unit 13 are opposed to each other. The upper mold 21 is provided with a resin injection port 23 . Then, heated and molten resin is injected from the resin injection port 23 into the upper mold 21 and the lower mold 17, which have been previously heated to a predetermined temperature, and is cooled and solidified. After that, the upper mold 21 is removed, and the first resin fixing part 3 and the second resin fixing part 1 are removed.
1 and 2 are respectively integrated with resin 24. This resin 24 is, for example, a heat-resistant resin made by mixing filler into polyphenylene sulfide (PPS), polybutylene terephthalate (PBT), etc.
Made of flame-resistant material.
第４図Ａ，Ｂはこのようにして得られた第１お
よび第２の電極枠体１，９をそれぞれの第１およ
び第２の電極単位体５，１３において樹脂２４で
一体化したものを示している。 FIGS. 4A and 4B show the first and second electrode frames 1 and 9 obtained in this manner integrated with resin 24 in the first and second electrode unit bodies 5 and 13, respectively. It shows.
なお、上記の樹脂成形工程にあたつては、第１
および第２の電極枠体１，９として、一定の長さ
例えば８連分のものを用いて行なつてもよく、ま
たは、連続したフープ状のものを用い、第１およ
び第２の電極枠体１，９を一定方向へ自動的に送
ることのできる自動送り機構を付加して行なつて
もよい。後者の場合には、さらに連続した樹脂成
形を行なうことができるものである。 In addition, in the above resin molding process, the first
As the second electrode frames 1 and 9, a fixed length, for example, eight continuous electrode frames may be used, or a continuous hoop-shaped frame may be used, and the first and second electrode frames An automatic feeding mechanism that can automatically feed the bodies 1 and 9 in a certain direction may be added. In the latter case, further continuous resin molding can be performed.
次に、第４図Ａに示す状態から第１および第２
の電極枠体１，９の不要部分を切断することによ
り、第５図に示すように、樹脂２４で第１の電極
単位体５および第２の電極単位体１３が相互に一
体化された電極構体２５を得る。 Next, from the state shown in FIG. 4A, the first and second
By cutting unnecessary parts of the electrode frames 1 and 9, an electrode is obtained in which the first electrode unit 5 and the second electrode unit 13 are integrated with each other using the resin 24, as shown in FIG. A structure 25 is obtained.
そして、第５図に示した電極構体２５の第１の
リード線取付部４および第２のリード線取付部１
２に外部被覆を有する第１のリード線２６および
第２のリード線２７をかしめと溶接とにより強固
にそれぞれ接続する。その後、固定電極取付部２
に銀系の接点２８を備えた固定電極２９を溶接に
より取付ける（第６図参照）。 Then, the first lead wire attachment portion 4 and the second lead wire attachment portion 1 of the electrode assembly 25 shown in FIG.
A first lead wire 26 and a second lead wire 27 each having an outer coating are firmly connected to each other by caulking and welding. After that, the fixed electrode attachment part 2
A fixed electrode 29 equipped with a silver-based contact 28 is attached by welding (see FIG. 6).
第７図は第６図に示すものの可動電極取付部１
０に熱応動素子からなる可動電極３０を溶接によ
り取付けたマウント体３１を示している。なお、
第７図では見えないようになつているが、可動電
極３０の先端部には銀系の接点２８と対応する位
置に銀系の接点が溶接により取付けられている。 Figure 7 shows the movable electrode attachment part 1 of the one shown in Figure 6.
0 shows a mount body 31 to which a movable electrode 30 made of a thermally responsive element is attached by welding. In addition,
Although not visible in FIG. 7, a silver-based contact is attached to the tip of the movable electrode 30 at a position corresponding to the silver-based contact 28 by welding.
第８図Ａ，Ｂはこのようにして得られたマウン
ト体３１をその固定電極２９の先端が四角筒状の
容器３２の凹部３３に位置するようこの容器３２
内に収納し、その開口部に充填剤３４を充填して
気密封着して完成したサーマルプロテクタを示し
ている。第８図Ｂにおいて、３５は固定電極３０
に取付けられた銀系の接点を示す。容器３２には
例えば、樹脂２４と同じ材料が用いられる。また
充填剤３４にはエポキシ系、シリコーンコンパウ
ンド系の材料が用いられる。 FIGS. 8A and 8B show the mount body 31 obtained in this way placed in a container 32 such that the tip of the fixed electrode 29 is located in the recess 33 of the square cylindrical container 32.
The figure shows a completed thermal protector in which the opening is filled with filler 34 and hermetically sealed. In FIG. 8B, 35 is the fixed electrode 30
Shows silver-based contacts attached to. For example, the same material as the resin 24 is used for the container 32. The filler 34 is made of epoxy or silicone compound material.
以上のような構成になつているので、本発明実
施例の方法によれば、電極構体２５を連続的に多
数作ることができ、従来に比して生産能率が大幅
に向上し、大幅なコストダウンを図ることができ
る。さらに、第１および第２の電極単位体５，１
３をそれぞれ第１および第２のブリツジ領域６，
７によりこれらのブリツジ領域の長さ方向に相互
に連結した平板状の電極枠体１，９を用いている
ことから、樹脂２４で第１および第２の電極単位
体５，１３が相互に一体化された多数の同一構
成・形状の電極構体２５が同一方向に位置するこ
ととなるので、製造ラインとしては１ラインです
み、これらの電極構体を一方向に揃えるための装
置（フイーダ）等を何ら必要とすることなく、電
極構体２５の所定箇所に固定電極２９、可動電極
３０、第１のリード線２６および第２のリード線
２７を接続してマウント体３１を形成することが
でき、したがつて従来に比して生産能率が大幅に
向上するとともに、生産設備も大掛かりなものと
ならず、大幅なコストダウンを図ることができ
る。また、第１および第２の電極枠体１，９を樹
脂２４で一体化し切断することにより、電極構体
２５を得、その後固定電極取付部２および可動電
極取付部１０に、接点２８を有する固定電極２９
および接点３５を有する可動電極３０を取付ける
ので、従来と異なり、樹脂固化時にその樹脂から
発生するガスによつて固定電極および可動電極に
あらかじめ形成された接点が汚染されるというお
それが全くなく、したがつてその汚染物を除去す
るための後工程を全く必要としないばかりでな
く、品質を安定したものとすることができる。 With the above-described structure, according to the method of the embodiment of the present invention, a large number of electrode structures 25 can be manufactured continuously, and the production efficiency is greatly improved compared to the conventional method, and the cost is significantly reduced. You can try to bring it down. Furthermore, the first and second electrode units 5, 1
3 respectively to the first and second bridge regions 6,
Since the plate-shaped electrode frames 1 and 9 are connected to each other in the length direction of these bridge regions by 7, the first and second electrode units 5 and 13 are integrated with each other by the resin 24. Since a large number of electrode assemblies 25 having the same configuration and shape are located in the same direction, only one production line is required, and a device (feeder) etc. to align these electrode assemblies in one direction is required. The fixed electrode 29, the movable electrode 30, the first lead wire 26, and the second lead wire 27 can be connected to predetermined locations of the electrode assembly 25 to form the mount body 31 without any need for As a result, production efficiency is greatly improved compared to conventional methods, and production equipment does not need to be large-scale, making it possible to significantly reduce costs. Further, the electrode assembly 25 is obtained by integrating the first and second electrode frames 1 and 9 with the resin 24 and cutting them. Electrode 29
Since the movable electrode 30 having a contact point 35 is attached, unlike conventional methods, there is no fear that the contact points formed in advance on the fixed electrode and the movable electrode will be contaminated by the gas generated from the resin when the resin solidifies. As a result, not only no post-process to remove the contaminants is required, but also the quality can be stabilized.
発明の効果
以上説明したように、本発明は第１および第２
の電極単位体を樹脂で相互に一体化した電極構体
の連続生産を可能とし、かつ効率よく大量に生産
することが可能となつたため、従来に比して生産
能率が大幅に向上し、大幅なコストダウンを図る
ことができ、しかも高品質のサーマルプロテクタ
の製造方法を提供することができるものである。Effects of the Invention As explained above, the present invention provides the first and second
It has become possible to continuously produce an electrode structure in which electrode units are integrated with each other using resin, and it has also become possible to efficiently produce large quantities, resulting in a significant improvement in production efficiency compared to the past. It is possible to provide a method for manufacturing a high-quality thermal protector that can reduce costs.
第１図は本発明の方法を実施するのに用いる第
１の電極枠体の一例を部分的に示す図、第２図は
同じく第２の電極枠体の一例を部分的に示す図、
第３図は第１の電極枠体と第２の電極枠体とを樹
脂により一体化する樹脂成形工程を説明するため
の図、第４図Ａ，Ｂはそれぞれ第１の電極枠体と
第２の電極枠体とを樹脂で一体化したものの正面
図および側面図、第５図は電極構体を示す正面
図、第６図は電極構体に固定電極、第１のリード
線および第２のリード線を取付けた状態を示す斜
視図、第７図は第６図に示されたものに可動電極
を取付けたマウント体を示す斜視図、第８図Ａ，
Ｂはそれぞれ本発明の方法により得られたサーマ
ルプロテクタを容器のみ切断して示す正面断面図
および側面断面図である。
１……第１の電極枠体、２……固定電極取付
部、３……第１の樹脂固定部、４……第１のリー
ド線取付部、５……第１の電極単位体、６，７…
…第１のブリツジ領域、９……第２の電極枠体、
１０……可動電極取付部、１１……第２の樹脂固
定部、１２……第２のリード線取付部、１３……
第２の電極単位体、１４，１５……第２のブリツ
ジ領域、１７……下側金型、１８……溝、１９，
２０……スペーサ、２１……上側金型、２２……
溝、２３……樹脂注入口、２４……樹脂、２５…
…電極構体、２６……第１のリード線、２７……
第２のリード線、２８……接点、２９……固定電
極、３０……可動電極、３１……マウント体、３
２……容器、３４……充填剤、３５……接点。
FIG. 1 is a diagram partially showing an example of a first electrode frame used to carry out the method of the present invention, FIG. 2 is a diagram partially showing an example of the second electrode frame,
FIG. 3 is a diagram for explaining the resin molding process of integrating the first electrode frame and the second electrode frame with resin, and FIGS. 4A and B show the first electrode frame and the second electrode frame, respectively. 5 is a front view showing the electrode structure, and FIG. 6 shows the fixed electrode, the first lead wire, and the second lead in the electrode structure. FIG. 7 is a perspective view showing a state in which the wire is attached; FIG. 7 is a perspective view showing a mount body with a movable electrode attached to the one shown in FIG. 6; FIG.
B is a front sectional view and a side sectional view, respectively, showing a thermal protector obtained by the method of the present invention, with only the container cut away. DESCRIPTION OF SYMBOLS 1...First electrode frame, 2...Fixed electrode attachment part, 3...First resin fixing part, 4...First lead wire attachment part, 5...First electrode unit, 6 ,7...
...first bridge region, 9...second electrode frame,
10...Movable electrode attachment part, 11...Second resin fixing part, 12...Second lead wire attachment part, 13...
Second electrode unit, 14, 15... Second bridge region, 17... Lower mold, 18... Groove, 19,
20... Spacer, 21... Upper mold, 22...
Groove, 23...Resin injection port, 24...Resin, 25...
...Electrode structure, 26...First lead wire, 27...
Second lead wire, 28... Contact, 29... Fixed electrode, 30... Movable electrode, 31... Mount body, 3
2... Container, 34... Filler, 35... Contact.
Claims (1)
１のリード線取付部を有する同一形状の第１の電
極単位体を第１のブリツジ領域によりこの第１の
ブリツジ領域の長さ方向に相互に連結した平板状
の第１の電極枠体と、可動電極取付部、第２の樹
脂固定部および第２のリード線取付部を有する同
一形状の第２の電極単位体を第２のブリツジ領域
によりこの第２のブリツジ領域の長さ方向に相互
に連結した平板状の第２の電極枠体とを、前記第
１および第２の電極単位体同士が相対するように
対向させ、前記第１および第２の樹脂固定部を樹
脂で相互に一体化し、前記第１および第２の電極
枠体を切断することにより、前記樹脂で前記第１
および第２の電極単位体が相互に一体化された複
数の電極構体を形成し、前記電極構体の前記固定
電極取付部、前記可動電極取付部、前記第１のリ
ード線取付部および前記第２のリード線取付部に
それぞれ固定電極、可動電極、第１のリード線お
よび第２のリード線を接続してマウント体を形成
し前記マウント体を容器内に設けたことを特徴と
するサーマルプロテクタの製造方法。1. A first electrode unit of the same shape having a fixed electrode attachment part, a first resin fixing part, and a first lead wire attachment part is mutually connected in the length direction of this first bridge area by a first bridge area. A second electrode unit body having the same shape and having a flat first electrode frame body connected to a movable electrode attachment part, a second resin fixing part, and a second lead wire attachment part is connected to a second bridge area. The second bridge region is connected to the flat second electrode frame in the length direction, and the first and second electrode units are opposed to each other so that the first and second electrode units face each other. and a second resin fixing part is mutually integrated with resin, and the first and second electrode frames are cut, so that the first
and a second electrode unit form a plurality of electrode assemblies that are integrated with each other, and the fixed electrode attachment part, the movable electrode attachment part, the first lead wire attachment part, and the second lead wire attachment part of the electrode assembly are formed. A fixed electrode, a movable electrode, a first lead wire, and a second lead wire are respectively connected to the lead wire attachment portions of the thermal protector to form a mount body, and the mount body is provided in a container. Production method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58104431A JPS59230229A (en) | 1983-06-10 | 1983-06-10 | Method of producing thermal protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58104431A JPS59230229A (en) | 1983-06-10 | 1983-06-10 | Method of producing thermal protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59230229A JPS59230229A (en) | 1984-12-24 |
| JPH0354823B2 true JPH0354823B2 (en) | 1991-08-21 |
Family
ID=14380481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58104431A Granted JPS59230229A (en) | 1983-06-10 | 1983-06-10 | Method of producing thermal protector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59230229A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0829596B2 (en) * | 1985-01-22 | 1996-03-27 | ニツセイ電機株式会社 | Thermal head |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50116962A (en) * | 1974-02-27 | 1975-09-12 |
-
1983
- 1983-06-10 JP JP58104431A patent/JPS59230229A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59230229A (en) | 1984-12-24 |
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