JP2789019B2 - Power plug - Google Patents
Power plugInfo
- Publication number
- JP2789019B2 JP2789019B2 JP6150423A JP15042394A JP2789019B2 JP 2789019 B2 JP2789019 B2 JP 2789019B2 JP 6150423 A JP6150423 A JP 6150423A JP 15042394 A JP15042394 A JP 15042394A JP 2789019 B2 JP2789019 B2 JP 2789019B2
- Authority
- JP
- Japan
- Prior art keywords
- plug
- blade
- plug body
- thin film
- front surface
- 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
Links
- 239000010409 thin film Substances 0.000 claims description 22
- 239000011810 insulating material Substances 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 229920005992 thermoplastic resin Polymers 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 230000007774 longterm Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000013037 co-molding Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電源用プラグに関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power plug.
【０００２】[0002]
【従来の技術】図３は丸ピン型の栓刃１，１を持つ欧州
規格の電源用プラグの従来例を示しており、この従来例
では、栓刃１，１の基部の周部を細く切削して凹部を形
成し、この凹部に熱可塑性樹脂を流して並行する栓刃
１，１の基部を同時成形により支持固定する栓刃固定体
２を形成し、この栓刃固定体２より後方に露出せる栓刃
１の基端に設けてあるかしめ固定部５に電源コード４の
芯線をかしめ固定した後、塩化ビニルのような熱可塑性
樹脂によってブラグ本体３を成形する際に、電源コード
４の一部、かしめ固定部５、栓刃固定体２の基部を同時
成形によりブラグ本体３に埋め込み、栓刃１，１の支持
固定と同時にかしめ固定部５の被覆を行っている。2. Description of the Related Art FIG. 3 shows a conventional example of a power plug of European standard having a round pin type plug blade 1, 1. In this conventional example, the peripheral portion of the base of the plug blade 1, 1 is made thin. cutting to form the recesses, to form a plug pins fixed body 2 which supports fixed by co-molding the base of the blade 1, 1 parallel by passing a thermoplastic resin in the recess of this, from the plug pins fixed body 2 After caulking and fixing the core wire of the power cord 4 to the caulking fixing portion 5 provided at the base end of the blade 1 exposed to the rear, the power cord is used to mold the plug body 3 with a thermoplastic resin such as vinyl chloride. A part of 4, a caulking fixing portion 5, and a base of the blade fixing member 2 are embedded in the plug body 3 by simultaneous molding, and the caulking fixing portion 5 is covered simultaneously with supporting and fixing the blades 1, 1.
【０００３】図４は平板状の栓刃１，１の基部を同時成
形により固定する栓刃固定体６を、耐熱性に優れ、耐電
圧特性も良好な熱硬化性樹脂で成形した従来例を示して
おり、この従来例では栓刃固定体６を塩化ビニルのよう
な熱可塑性樹脂製のプラグ本体３に同時成形により埋め
込む際に、プラグ本体３の前面に栓刃固定体６の前面を
露出させ栓刃１，１間の耐トラッキング特性の向上を図
っている。FIG. 4 shows a conventional example in which a blade fixed body 6 for fixing the bases of the plate-shaped blades 1 and 1 by simultaneous molding is made of a thermosetting resin having excellent heat resistance and good withstand voltage characteristics. In this conventional example, when the blade fixing body 6 is embedded in the plug body 3 made of a thermoplastic resin such as vinyl chloride by simultaneous molding, the front surface of the blade fixing body 6 is exposed on the front surface of the plug body 3. The anti-tracking property between the blades 1 and 1 is improved.
【０００４】図５は図４の従来例の構成に加えて、プラ
グ本体３の前面に露出する栓刃固定体６の前面におい
て、突出する栓刃１，１間に沿面距離を長くするための
凹溝７を２条、栓刃１，１に平行するように形成した従
来例を示す。FIG. 5 shows, in addition to the structure of the conventional example shown in FIG. 4 , a structure for increasing the creepage distance between the protruding blades 1 and 1 on the front surface of the blade fixing body 6 exposed on the front surface of the plug body 3. A conventional example in which two grooves 7 are formed so as to be parallel to the blades 1 and 1 is shown.
【０００５】[0005]
【発明が解決しようとする課題】上記の図３の従来例で
は、成形樹脂を流し込むために栓刃１の周部を０．５〜
０．７ｍｍ程度切削して凹部を形成しており、そのため
栓刃１が細くなって栓刃１の強度が弱くなり、実使用時
において栓刃１の曲がり或いは折損するという問題があ
った。また栓刃１の表面を成形された熱可塑性樹脂で覆
う構成であるため成形ばらつきによる樹脂の未充填等の
間題が起きやすく、更に成形部位が薄いため栓刃１，１
のコンセントに対する披き差しによって剥離現象が生じ
るという問題があった。In the conventional example shown in FIG. 3 , the peripheral portion of the blade 1 is set to 0.5 to
The concave portion is formed by cutting about 0.7 mm, so that the blade 1 becomes thin and the strength of the blade 1 is weakened, and there is a problem that the blade 1 is bent or broken during actual use. Also tends to occur problems during non Filling of the resin by molding variations for the structure covered with a thermoplastic resin which is molded to the surface of the blade 1, for further shaped part is thin blade 1,1
There is a problem that the peeling phenomenon occurs due to the insertion of the plug into the outlet.
【０００６】図４、図５の従来例では栓刃１の外部突出
部位に図３のように樹脂被覆を行っていないため、栓刃
１，１間に耐熱性に嬢れ、耐電圧特性も良好な熱硬化性
樹脂が介在し、また絶縁距離確保用の凹溝７が存在して
いても長期間使用時にはトラッキング火災に至るという
間題があった。本発明は上記間題点に鑑みて為されたも
ので、請求項１の発明の目的とするところは栓刃自体の
強度を保ちながら、長期間の使用中のトラッキングによ
る火災発生を防止し、しかもコストが安価な電源用プラ
グを提供するにある。In the conventional examples shown in FIGS. 4 and 5 , since the outer protruding portion of the blade 1 is not coated with a resin as shown in FIG. 3 , the heat resistance between the blades 1 and 1 is poor, and the withstand voltage characteristic is also low. Even if a good thermosetting resin is interposed and the groove 7 for securing the insulation distance is present, there is a problem that a tracking fire may occur during long-term use. The present invention has been made in view of the above problems, and an object of the invention of claim 1 is to prevent the occurrence of fire due to tracking during long-term use while maintaining the strength of the blade itself, Another object of the present invention is to provide a low-cost power supply plug.
【０００７】請求項２の発明の目的とするところは、請
求項１の発明の目的に加えて、製造が容易な電源用ブラ
グを提供するにある。[0007] It is an object of the invention of claim 2, in addition to the object of the invention as claimed in claim 1, in manufacturing to provide easy power supply Bragg.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に請求項１の発明では、熱可塑性樹脂成形品のプラグ本
体に対して同時成形により栓刃の基部を埋め込み固定す
る電源用プラグにおいて、栓刃が外部に突出するプラグ
本体の前面近傍のプラグ本体内外の栓刃表面且つ各栓刃
間のプラグ本体前面に耐トラッキング特性が高い絶縁材
からなる薄膜を形成したものである。In order to achieve the above object, according to the first aspect of the present invention, there is provided a power plug for embedding and fixing a base portion of a plug blade to a plug body of a thermoplastic resin molded product by simultaneous molding. Plug blade surfaces inside and outside the plug body near the front surface of the plug body where the blade protrudes to the outside and each plug blade
A thin film made of an insulating material having a high tracking resistance is formed on the front surface of the plug body between them.
【０００９】[0009]
【００１０】請求項２の発明では、請求項１、２の発明
において、上記耐トラッキング特性が高い絶縁材として
コーティング材を用いたものである。[0010] In the present invention of claim 2, in the invention of claim 1 is the ash with the coating material as the tracking resistance characteristic is high insulation.
【００１１】[0011]
【作用】請求項１の発明によれば、熱可塑性樹脂成形品
のプラグ本体に対して同時成形により栓刃の基部を埋め
込み固定する電源用プラグにおいて、栓刃が外部に突出
するプラグ本体の前面近傍のプラグ本体内外の栓刃表面
且つ各栓刃間のプラグ本体前面に耐トラッキング特性が
高い絶縁材からなる薄膜を形成したので、栓刃の肉厚を
薄くすることなくプラグ前面部位における耐トラッキン
グ特性を高めることができ、そのため栓刃の強度を確保
することができるとともに、長期間の使用によってもト
ラッキングによる火災発生を防止することができる。特
に各栓刃間のプラグ本体前面にも耐トラッキング特性が
高い絶縁材からなる薄膜を形成したので、栓刃のコンセ
ントに対する抜き差しによりプラグ本体外の栓刃表面の
薄膜が磨耗したり剥離しても耐トラッキング特性を確保
することができて、一層使用可能期間を長くすることが
できる。 According to the first aspect of the present invention, in a power plug for embedding and fixing a base of a blade by simultaneous molding with a plug body of a thermoplastic resin molded product, a front surface of the plug body in which the blade protrudes to the outside. Surface of the blade inside and outside the plug body
In addition, since a thin film made of an insulating material having a high tracking resistance is formed on the front surface of the plug body between the blades, the tracking resistance at the front surface of the plug can be improved without reducing the thickness of the blade. The strength of the blade can be ensured, and the occurrence of fire due to tracking can be prevented even after long-term use. Special
Tracking resistance on the front of the plug body between each blade
Since a thin film made of high insulating material was formed,
The plug blade surface outside the plug body
Ensures tracking resistance even when the thin film is worn or peeled
Can be used for a longer period of use
it can.
【００１２】更に栓刃固定体を用いず、その上栓刃に対
して絶縁材の薄膜を形成する構成であるため、成形金型
が不要となって、製造コストも安価で、その上耐剥離特
性を高めることができる。 Further, since a thin film of an insulating material is formed on the upper blade without using the blade fixed body, a molding die is not required, the manufacturing cost is low, and the peeling resistance is further improved. Characteristics can be enhanced .
【００１３】請求項２の発明によれば、請求項１の発明
において、上記耐トラッキング特性が高い絶縁材として
コーティング材を用いるので、栓刃に対する薄膜形成工
程が簡単となり、コストの低減や製造上のばらつきを少
なくすることができる。According to the invention of 請 Motomeko 2, in the invention of claim 1, since use of a coating material as the tracking resistance characteristic is high insulation, thin film formation process for the plug pins is simplified, cost reduction and manufacturing The above variation can be reduced.
【００１４】[0014]
【実施例】以下、本発明の実施例を図面を参照して説明
する。 （実施例１）本実施例は、図１、図２に示すように栓刃
１を固定する栓刃固定体を用いず、直接栓刃１の基部を
塩化ビニル等の熱可塑性樹脂成形品であるプラグ本体３
に同時成形により埋め込み固定するものである。そして
本実施例では耐トラッキング特性を高めるために、プラ
グ本体３前面の近傍に位置する栓刃１の露出部位と埋め
込み部位の表面に耐トラッキング特性の高い絶縁材によ
る厚さ数ミクロンの薄膜８を予め形成し、この薄膜８を
形成した栓刃１の基部を、基端に設けてあるかしめ固定
部５に電源コード４の芯線をかしめ固定した後同時成形
によりプラグ本体３内に埋め込むのである。またこのプ
ラグ本体３の成形後、更に耐トラッキング特性を高める
ために栓刃１，１の間のプラグ本体３前面に耐トラッキ
ング特性の高い絶縁材による厚さ数ミクロンの薄膜８’
を形成している。Embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) In this embodiment, as shown in FIGS. 1 and 2, the base of the blade 1 is directly formed of a thermoplastic resin such as vinyl chloride without using the blade fixed body for fixing the blade 1. A certain plug body 3
And embedded and fixed by simultaneous molding. In this embodiment, in order to enhance the tracking resistance, a thin film 8 having a thickness of several microns made of an insulating material having a high tracking resistance is provided on the surface of the exposed portion and the embedded portion of the blade 1 located near the front surface of the plug body 3. The base of the plug blade 1 formed in advance and having the thin film 8 formed thereon is caulked and fixed to the caulking fixing portion 5 provided at the base end, and then embedded in the plug body 3 by simultaneous molding. After the plug body 3 is formed, a thin film 8 'having a thickness of several microns made of an insulating material having a high tracking resistance is provided on the front surface of the plug body 3 between the blades 1 and 1 to further enhance the tracking resistance.
Is formed.
【００１５】而して上述のようにして実現された本実施
例の電源用プラグでは、露出せる栓刃１，１間の沿面距
離を、薄膜８，８’により長くすることができ、また栓
刃１，１間のプラグ本体３の前面を薄膜８’により覆う
ため長期使用によってもトラッキング火災の発生を防止
することができることになる。ここで薄膜８を形成する
絶縁材としては、雲母、セラミックのような無機絶縁材
からなるコーティング材や、シリコン樹脂、フッ素樹脂
等のコーィテング材或いはエナメル絶縁塗料、ワニス塗
料等のコテーィング材が用いられる。In the power plug of the present embodiment implemented as described above, the exposed creepage distance between the blades 1 and 1 can be made longer by the thin films 8 and 8 '. Since the front surface of the plug body 3 between the blades 1 and 1 is covered with the thin film 8 ', it is possible to prevent the occurrence of tracking fire even after long-term use. Here, as the insulating material forming the thin film 8, a coating material made of an inorganic insulating material such as mica or ceramic, a coating material such as a silicone resin or a fluororesin, or a coating material such as an enamel insulating paint or a varnish paint is used. .
【００１６】ここで例えば雲母を用いる場合には、貼り
合わせにより栓刃１の所定表面にコーテイングさせる。
またセラミックの場合にはセラミック材を栓刃１の所定
表面に真空蒸着或いはスプレー等によって均一に塗布
後、焼成して薄膜８を形成する。また樹脂や塗料の場合
もスプレー等によって均一に塗布後、乾燥させて薄膜８
を形成する。Here, for example, when mica is used, a predetermined surface of the blade 1 is coated by bonding.
In the case of ceramic, a ceramic material is uniformly applied to a predetermined surface of the blade 1 by vacuum evaporation or spraying, and then fired to form a thin film 8. In the case of a resin or paint, it is applied uniformly by spraying or the like and then dried to form a thin film 8.
To form
【００１７】尚コーティング材の代わりに絶縁性のラミ
ネートシートのような薄膜フィルムによる薄覆形成でも
良い。図１（ｂ）は栓刃１を黄銅板から栓刃１の形を打
抜いて分離する前の状態を示しており、分離する前に各
栓刃１の基部の所定表面に絶縁材によって薄膜８を形成
する工程を設け、この工程で多数の栓刃１に対して薄膜
８を予め形成するのである。In place of the coating material, a thin covering using a thin film such as an insulating laminate sheet may be used. FIG. 1B shows a state before the blade 1 is cut out from a brass plate by punching out the shape of the blade 1 and before separation, a predetermined surface of the base of each blade 1 is coated with a thin film by an insulating material. In this step, a thin film 8 is previously formed on a large number of blades 1.
【００１８】尚プラグ本体３の前面に形成する薄膜８’
の絶縁材としては、プラグ本体３の材貿に変化を与えた
り、形状が変形するような加工工程を必要としない材料
を選定するは勿論である。 A thin film 8 'formed on the front surface of the plug body 3
As the insulating material, needless to say, a material that does not change the trade of the material of the plug body 3 or does not require a processing step for deforming the shape is selected .
【００１９】[0019]
【００２０】[0020]
【００２１】上記実施例１では栓刃１には平板型のもの
が使用されているが、丸型ピンよりなる栓刃にも適用で
きるのは勿論である。[0021] While the blade 1 is above Symbol Example 1 is that of a flat plate type is employed, it is of course also applicable to plug pins consisting of round pins.
【００２２】[0022]
【発明の効果】請求項１の発明は、熱可塑性樹脂成形品
のプラグ本体に対して同時成形により栓刃の基部を埋め
込み固定する電源用プラグにおいて、栓刃が外部に突出
するプラグ本体の前面近傍のプラグ本体内外の栓刃表面
且つ各栓刃間のプラグ本体前面に耐トラッキング特性が
高い絶縁材からなる薄膜を形成したので、栓刃の肉厚を
薄くすることなくプラグ前面部位における耐トラッキン
グ特性を高めることができ、そのため栓刃の強度を確保
することができるとともに、長期間の使用によってもト
ラッキングによる火災発生を防止することができ、特に
各栓刃間のプラグ本体前面にも耐トラッキング特性が高
い絶縁材からなる薄膜を形成したので、栓刃のコンセン
トに対する抜き差しによりプラグ本体外の栓刃表面の薄
膜が磨耗したり剥離しても耐トラッキング特性を確保す
ることができて、一層使用可能期間を長くすることがで
き、更に栓刃固定体を用いず、その上栓刃に対して絶縁
材の薄膜を形成する構成であるため、成形金型が不要と
なって製造コストも安価で、その上耐剥離特性を高める
ことができるという効果がある。According to the first aspect of the present invention, there is provided a power plug for embedding and fixing a base of a blade by simultaneous molding with a plug body of a thermoplastic resin molded product. Surface of the blade inside and outside the plug body
In addition, since a thin film made of an insulating material having high tracking resistance is formed on the front surface of the plug body between the blades, the tracking resistance at the front surface of the plug can be increased without reducing the wall thickness of the blade. it is possible to ensure the strength of the blade, it can also prevent fire caused by tracking the long-term use, especially
High tracking resistance also on the front of the plug body between each blade
The thin blade made of insulating material has been formed.
The plug blade surface outside the plug body
Ensures tracking resistance even when the film is worn or peeled
And the service life can be further extended.
In addition, since a thin blade of insulating material is formed on the upper blade without using the blade fixed body, there is no need for a molding die.
As a result, the manufacturing cost is low, and the peeling resistance can be enhanced.
【００２３】[0023]
【００２４】請求項２の発明は、請求項１の発明におい
て、上記耐トラッキング特性が高い絶縁材としてコーテ
ィング材を用いるので、栓刃に対する薄膜形成工程が簡
単となり、コストの低減や製造上のばらつきを少なくす
ることができるという効果がある。[0024] 請 Motomeko second invention is the invention of claim 1, since use of a coating material as the tracking resistance characteristic is high insulation, thin film formation process for the plug pins is simplified, cost reduction and manufacturing of There is an effect that variation can be reduced.
【図１】 （ａ）は本発明の実施例１の栓刃加工工程の説明図であ
る。 （ｂ）は同上の要部の一部省略せる水平断面図である。FIG. 1A is an explanatory view of a blade processing step according to a first embodiment of the present invention. (B) is a horizontal sectional view which can omit some of the important parts same as the above.
【図２】同上の側面図である。FIG. 2 is a side view of the same.
【図３】従来例の一部省略せる水平断面図である。 FIG. 3 is a horizontal sectional view of a conventional example in which a part can be omitted.
【図４】（ａ）は別の従来例の一部破断せる上面図である。 （ｂ）は同上の側面図である。 FIG. 4A is a partially broken top view of another conventional example. (B) is a side view of the same.
【図５】（ａ）は他の従来例の一部破断せる上面図である。 （ｂ）は同上の正面図である。 FIG. 5A is a partially broken top view of another conventional example. (B) is a front view of the same.
１ 栓刃 ３ プラグ本体 ４ 電源コード ５ かしめ固定部 ８，８’ 薄膜 DESCRIPTION OF SYMBOLS 1 Plug blade 3 Plug body 4 Power cord 5 Caulking fixing part 8, 8 'Thin film
Claims (2)
同時成形により栓刃の基部を埋め込み固定する電源用プ
ラグにおいて、栓刃が外部に突出するプラグ本体の前面
近傍のプラグ本体内外の栓刃表面且つ各栓刃間のプラグ
本体前面に耐トラッキング特性が高い絶縁材からなる薄
膜を形成したことを特徴とする電源用プラグ。1. A plug for a power source for embedding and fixing a base of a plug blade to a plug body of a thermoplastic resin molded article by simultaneous molding, wherein the plug inside and outside the plug body near the front surface of the plug body where the plug blade projects outside. A power supply plug, wherein a thin film made of an insulating material having high tracking resistance is formed on the front surface of the plug between the blades and between the blades.
てコーティング材を用いたことを特徴とする請求項１記
載の電源用プラグ。 2. An insulating material having a high tracking resistance characteristic.
The power supply plug according to claim 1 , wherein a coating material is used .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6150423A JP2789019B2 (en) | 1994-06-07 | 1994-06-07 | Power plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6150423A JP2789019B2 (en) | 1994-06-07 | 1994-06-07 | Power plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07335308A JPH07335308A (en) | 1995-12-22 |
| JP2789019B2 true JP2789019B2 (en) | 1998-08-20 |
Family
ID=15496617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6150423A Expired - Lifetime JP2789019B2 (en) | 1994-06-07 | 1994-06-07 | Power plug |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2789019B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09115592A (en) * | 1995-10-20 | 1997-05-02 | Matsushita Electric Works Ltd | Tracking prevention plug |
| SG85590A1 (en) * | 1996-06-03 | 2002-01-15 | Sony Corp | Power source plug |
| JPH10241775A (en) * | 1997-02-27 | 1998-09-11 | Matsushita Electric Ind Co Ltd | Power adapter |
| JP2002367743A (en) * | 2001-06-07 | 2002-12-20 | Nippo Electric Co Ltd | Lamp socket |
| JP2010135089A (en) * | 2008-12-02 | 2010-06-17 | Kawasaki Densen Kk | Power plug, and manufacturing method of power plug |
| KR200454146Y1 (en) * | 2009-02-24 | 2011-06-17 | 주식회사 뉴지로 | Electrical connection device of heating product |
| JP2010205468A (en) * | 2009-03-02 | 2010-09-16 | Kawasaki Densen Kk | Power plug and method for manufacturing the same |
| JP6456106B2 (en) * | 2014-11-10 | 2019-01-23 | 三菱電機株式会社 | Direct tube lamp base, straight tube lamp, and lighting fixture |
| JP6627620B2 (en) * | 2016-04-05 | 2020-01-08 | 株式会社オートネットワーク技術研究所 | Connectors, connection status detection systems, and terminals |
| TWI910507B (en) * | 2023-12-07 | 2026-01-01 | 正淩精密工業股份有限公司 | Well-withstand voltage electrical connecting device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4826479U (en) * | 1971-08-04 | 1973-03-30 | ||
| JPS517310A (en) * | 1974-07-08 | 1976-01-21 | Masatoshi Nabeya | 4 saikurunainenkikan |
| JPS5326670A (en) * | 1976-08-25 | 1978-03-11 | Hitachi Ltd | Manufacture of semiconductor device |
-
1994
- 1994-06-07 JP JP6150423A patent/JP2789019B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07335308A (en) | 1995-12-22 |
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