JP3518347B2 - Insulator - Google Patents
InsulatorInfo
- Publication number
- JP3518347B2 JP3518347B2 JP18706398A JP18706398A JP3518347B2 JP 3518347 B2 JP3518347 B2 JP 3518347B2 JP 18706398 A JP18706398 A JP 18706398A JP 18706398 A JP18706398 A JP 18706398A JP 3518347 B2 JP3518347 B2 JP 3518347B2
- Authority
- JP
- Japan
- Prior art keywords
- porcelain
- hole diameter
- insulator
- diameter portion
- columnar member
- 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 - Fee Related
Links
Landscapes
- Insulators (AREA)
- Housings And Mounting Of Transformers (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、磁器の空間部に
金具を遊挿してモルタルで接着した碍子に関し、クラッ
クが生じにくい碍子を得るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulator in which a metal fitting is loosely inserted in a space of a porcelain and adhered with mortar, and an insulator having less cracks is obtained.
【０００２】[0002]
【従来の技術】従来の碍子を用いたブッシング装置を図
３〜図５を参照して説明する。図３はブッシング装置の
一部断面図、図４は碍子の平面図、図５は図４の矢視Ｖ
−Ｖの断面図である。図３〜図５において、ブッシング
装置１は、外部リード線３と電気機器４０内の口出しリ
ード線７とを端子部１０を介して電気的に結合すると共
に、口出しリード線７を内蔵して電気的に絶縁された碍
管２０と、外部リード線３をねじ込むことで、挟着する
碍子３０と、碍管２０を電気機器４０の側板４２に固定
する固定部５０とから成っている。2. Description of the Related Art A conventional bushing device using an insulator will be described with reference to FIGS. 3 is a partial cross-sectional view of the bushing device, FIG. 4 is a plan view of the insulator, and FIG. 5 is a view V of FIG.
It is sectional drawing of -V. 3 to 5, the bushing device 1 electrically connects the external lead wire 3 and the lead wire 7 in the electric device 40 through the terminal portion 10 and also incorporates the lead wire 7 to electrically connect the lead wire 7 to the lead wire 7. It is composed of a porcelain insulator 20 that is electrically insulated, an insulator 30 that is sandwiched by screwing the external lead wire 3, and a fixing portion 50 that secures the porcelain casing 20 to a side plate 42 of the electric device 40.
【０００３】端子部１０には、外部電線３を起立したネ
ジ部１１の孔１１ｅに挿入して接続する外部端子１５が
設けられており、この外部端子１５のネジを有する円径
孔部１５ｅには、中継部１７の軸１７ａの先端部が螺合
されており、中継部１７のネジを有する円径部１７ｅに
は、口出しリード線７の先端部が螺合されている。The terminal portion 10 is provided with an external terminal 15 for inserting and connecting the external electric wire 3 into the hole 11e of the screw portion 11 which is erected, and the circular hole portion 15e having the screw of the external terminal 15 is provided. The shaft 17a of the relay portion 17 is screwed at its tip end, and the threaded circular diameter portion 17e of the relay portion 17 is screwed at the tip end of the lead wire 7.
【０００４】碍子３０は、内部に断面視凹状の孔径部３
３ｅを有する略円柱状の磁器部３３と、この孔径部３３
ｅに遊挿される円柱状で、内部に断面視凹状の空洞部を
有する金具３５がモルタル３７により磁器３３に接着さ
れている。The insulator 30 has a hole portion 3 having a concave shape in a sectional view.
A substantially cylindrical porcelain portion 33 having 3e, and a hole diameter portion 33
A metal fitting 35 having a cylindrical shape that is loosely inserted in e and having a hollow portion having a concave cross-sectional view inside is adhered to the porcelain 33 by a mortar 37.
【０００５】固定部５０は、碍管２０に固着されたパッ
キン５２と、碍管２０の下部周囲に嵌着された押え５４
とを有し、この押え５４のネジ孔に螺合された止めネジ
５６により電気機器４０の側板４２を押圧してパッキン
５２を圧縮することにより碍管２０を側板４２に密着固
定している。The fixed portion 50 includes a packing 52 fixed to the porcelain bushing 20 and a presser 54 fitted around the lower portion of the porcelain bushing 20.
The side wall 42 of the electric device 40 is pressed by the setscrew 56 screwed into the screw hole of the retainer 54 to compress the packing 52, so that the porcelain bushing 20 is closely fixed to the side plate 42.
【０００６】上記のように構成されたブッシング装置１
の組み立てについて図３を参照して以下に説明する。口
出しリード線７の先端部を中継部１７の円径部１７ｅに
螺合しておいて、この中継部１７を碍管２０の空洞部に
挿入し、外部端子１５の円径孔部１５ｅに中継部１７の
先端を螺合してから、外部端子１５を碍管２０に固定
し、碍管２０を電気機器４０の側板４２に固定部５０に
より固定する。[0006] The bushing device 1 configured as described above.
Assembly of the above will be described below with reference to FIG. The distal end of the lead wire 7 is screwed into the circular diameter portion 17e of the relay portion 17, the relay portion 17 is inserted into the hollow portion of the porcelain insulator 20, and the relay portion is inserted into the circular diameter hole portion 15e of the external terminal 15. After the distal end of 17 is screwed, the external terminal 15 is fixed to the porcelain insulator 20, and the porcelain insulator 20 is fixed to the side plate 42 of the electric device 40 by the fixing portion 50.
【０００７】かかる状態において、ネジ部１１の孔１１
ｅに外部電線３の先端部を差込み、ネジ部１１に碍子３
０の金具３５のネジ部を螺合して外部電線３の先端部を
挟着して、外部電線３を外部端子１５に固定してブッシ
ング装置１が完成する。In this state, the hole 11 of the screw portion 11
Insert the tip of the external electric wire 3 into e and insert the insulator 3 into the screw part 11.
The threaded portion of the metal fitting 35 of No. 0 is screwed to sandwich the tip portion of the external electric wire 3, and the external electric wire 3 is fixed to the external terminal 15 to complete the bushing device 1.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら、上記の
ように構成されたブッシング装置１の碍子３０は、磁器
３３と金具３５との線膨張係数の差によりモルタル３７
に熱応力が加わって金具３５から外側に向かって放射状
のひび割れ（以下、ヘアクラックという。）が生じたも
のと推定される。すなわち、金具３５は材質が例えば黄
銅であれば、線膨張係数が２．０８×１０-5で、同様
に、磁器３３のそれは０．３１×１０-5となり、金具３
５の表面部の膨張収縮が温度により顕著になる反面、磁
器３３の表面部では、金具３５に比べて相当小さく、こ
の両者の差がモルタル部３７の熱応力となり、モルタル
３７にヘアクラックが生じると推定される。However, the insulator 30 of the bushing device 1 configured as described above has the mortar 37 due to the difference in linear expansion coefficient between the porcelain 33 and the metal fitting 35.
It is presumed that a thermal crack was applied to the outer peripheral surface of the metal fitting 35 to cause radial cracks (hereinafter referred to as hair cracks). That is, if the material of the metal fitting 35 is brass, for example, the linear expansion coefficient is 2.08 × 10 −5 , and similarly, that of the porcelain 33 is 0.31 × 10 −5 .
Although the expansion and contraction of the surface portion of No. 5 become remarkable due to the temperature, the surface portion of the porcelain 33 is considerably smaller than the metal fitting 35, and the difference between the two becomes thermal stress of the mortar portion 37, causing hair cracks in the mortar 37. It is estimated to be.
【０００９】一方、金具３５の熱膨張により磁器３３が
破損しやすい個所は、ＣＡＥによる応力解析によれば、
磁器３３の孔径部３３ｅの先端部３３ｘで、温度荷重１
４０Ｋを加えることにより５９２ｋｇ／ｃｍ2と大きい
ことが確認できたので、磁器３３にクラックが生じると
いうことが考えられるという問題がある。On the other hand, the location where the porcelain 33 is easily damaged by the thermal expansion of the metal fitting 35 is, according to the stress analysis by CAE,
At the tip portion 33x of the hole portion 33e of the porcelain 33, the temperature load 1
Since it was confirmed that the addition of 40 K was as large as 592 kg / cm 2 , there is a problem that cracks may occur in the porcelain 33.
【００１０】そこで、この発明は上記課題を解決するた
めになされたもので、クラックが起こりにくい碍子を提
供することを目的とする。Therefore, the present invention has been made to solve the above problems, and an object thereof is to provide an insulator in which cracks are less likely to occur.
【００１１】[0011]
【課題を解決するための手段】第１の発明に係る碍子
は、内部に空洞部を有すると共に、この空洞部の内周面
にネジが螺刻された金属から成る略円柱状の柱状部材
と、この柱状部材を遊挿する孔径部を有する磁器と、上
記柱状部材を上記磁器の孔径部に遊挿して形成された上
記柱状部材の外周面と上記磁器の孔径部との隙間に、充
填したモルタルと、を有する碍子において、上記孔径部
は、径が異なる第１及び第２の孔径部を開口から順に設
けられており、上記第１の孔径部の径が上記第２の孔径
部の径よりも大きく成っており、上記金具は、上記第１
の孔径部に遊挿されると共に、上記第１の孔径部の周囲
の底面に当接する筒状である、ことを特徴とするもので
ある。According to a first aspect of the present invention, an insulator has a hollow portion inside, and a substantially cylindrical columnar member made of metal having a screw threaded on an inner peripheral surface of the hollow portion. this and porcelain having a pore diameter of loosely inserted a columnar member, into the gap between the opening part of the outer peripheral surface and the porcelain of the columnar member loosely inserted to the columnar member formed on the opening part of the ceramic, and filled A mortar and an insulator having
The first and second hole diameter parts having different diameters in order from the opening.
And the diameter of the first hole diameter portion is equal to the second hole diameter.
Is larger than the diameter of the part, and the metal fitting is the first
Around the first hole diameter portion while being loosely inserted in the hole diameter portion of
It has a cylindrical shape that abuts the bottom surface of the.
【００１２】[0012]
【００１３】第２の発明に係る碍子は、磁器の第１の孔
径部の上部には、盛り上がり部を周設したことを特徴と
するものである。The insulator according to the second aspect of the invention is characterized in that a raised portion is provided around the first hole diameter portion of the porcelain.
【００１４】第３の発明に係る碍子は、柱状部材には、
径が異なる第１及び第２の空洞部を開口から順に第１柱
部、第２柱部をそれぞれ設け、上記第１の空洞部の径が
上記第２の空洞部の径よりも小さく形成されており、上
記モルタルは、上記柱状部材の第２柱部のみに充填され
たことを特徴とするものである。In the insulator according to the third invention, the columnar member is
First and second hollow portions having different diameters are provided in order from the opening to form a first pillar portion and a second pillar portion, respectively, and the diameter of the first hollow portion is smaller than the diameter of the second hollow portion. The mortar is filled only in the second pillar portion of the pillar member.
【００１５】[0015]
【発明の実施の形態】実施の形態１．この発明の一実施
の形態を図１及び図２を参照して説明する。図１は碍子
の平面図、図２は図１の矢視ＩＩ−ＩＩの断面図であ
る。図１及び図２において、碍子１３０は、円柱状の第
１の孔径部１３３ｅと、第２の孔径部１３３ｆとを開口
から順に有し、第１の孔径部１３３ｅの径が第２の孔径
部１３３ｆのそれよりも大きい略円筒状の磁器１３３
と、この第１の孔径部１３３ｅに挿入されると共に、第
１の孔径部１３３ｅの底面に当接された金属から成る略
筒状の柱状部材としての金具１３５と、金具１３５と磁
器１３３との隙間の上端に溝１３０ａが形成されるよう
に充填されたモルタル１３７とから成っている。BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. An embodiment of the present invention will be described with reference to FIGS. 1 is a plan view of the insulator, and FIG. 2 is a sectional view taken along the line II-II of FIG. 1 and 2, the insulator 130 has a cylindrical first hole diameter portion 133e and a second hole diameter portion 133f in order from the opening, and the diameter of the first hole diameter portion 133e is the second hole diameter portion. A substantially cylindrical porcelain 133 larger than that of 133f
And a metal fitting 135 as a substantially cylindrical columnar member made of metal, which is inserted into the first hole diameter portion 133e and is in contact with the bottom surface of the first hole diameter portion 133e, and the metal fitting 135 and the porcelain 133. The mortar 137 is filled so that the groove 130a is formed at the upper end of the gap.
【００１６】第２の孔径部１３３ｆは、図３の軸１１を
遊挿するためのものであり、溝１３０ａを設けたのは、
金具１３５の熱膨張により磁器１３３の先端部が熱応力
を受けにくくするためである。The second hole diameter portion 133f is for loosely inserting the shaft 11 of FIG. 3, and the groove 130a is provided in the second hole diameter portion 133f.
This is because the tip of the porcelain 133 is less susceptible to thermal stress due to the thermal expansion of the metal fitting 135.
【００１７】金具１３５には、径が異なる略円柱状の第
１の空洞部１３５ｅを有する第１柱部と、第２の空洞部
１３５ｆを有する第２柱部とを開口から順に設けられて
おり、第１の空洞部１３５ｅの径が第２の空洞部１３５
ｆの径よりも小さく、第１の空洞部１３５ｅの内面に
は、図３の軸１１の先端部と螺合するためにネジが切ら
れている。金具１３５は底面が磁器１３３の第１の孔径
部１３３ｅの底面に載るようになっており、金具１３５
の第２柱部のみにモルタル１３７が充填されことで、磁
器１３３が金具１３５の熱応力を受けにくくされてい
る。また、磁器１３３には、盛り上がり部１３３ｚが形
成されている。これは、磁器１３３を焼結する際に、上
薬をこの盛り上がり部１３３ｚを除いて、一様に塗るた
めである。The metal fitting 135 is provided with a first pillar portion having a substantially hollow cylindrical first hollow portion 135e and a second pillar portion having a second hollow portion 135f in order from the opening. , The diameter of the first hollow portion 135e is equal to that of the second hollow portion 135e.
The diameter is smaller than the diameter of f, and the inner surface of the first hollow portion 135e is threaded so as to be screwed with the tip portion of the shaft 11 in FIG. The bottom surface of the metal fitting 135 is designed to rest on the bottom surface of the first hole diameter portion 133e of the porcelain 133.
Since the mortar 137 is filled only in the second pillar portion of the porcelain 133, the porcelain 133 is less susceptible to the thermal stress of the metal fitting 135. Further, the porcelain 133 is formed with a raised portion 133z. This is because when the porcelain 133 is sintered, the upper drug is applied uniformly except for the raised portion 133z.
【００１８】次に、上記のように構成された碍子を製造
する方法を図１及び図２を参照して説明する。まず、磁
器１３３に上薬を塗り、図示していない炉内に盛り上が
り部１３３ｚが下になるように磁器１３３を置いて焼結
する。Next, a method for manufacturing the insulator thus constructed will be described with reference to FIGS. 1 and 2. First, the porcelain 133 is coated with a glaze, and the porcelain 133 is placed in a furnace (not shown) so that the raised portion 133z is located below and sintered.
【００１９】ここで、モルタル１３７を例えばセメント
１００ｇ、珪砂２００ｇ、水７０ｇ、混和剤０．８ｇを
それぞれ配合することにより、モルタル１３７のアルカ
リ濃度を例えば３．４４ｋｇ／ｃｍ2にする。一方、磁
器１３３の第１の孔径部１３３ｅに金具１３５を遊挿し
ておいて、金具１３５の外周面と磁器１３３の第１の孔
径部１３３ｅとの隙間にモルタル１３７を流し込んで、
モルタル１３７を硬化して碍子１３０が完成する。Here, for example, 100 g of cement, 200 g of silica sand, 70 g of water, and 0.8 g of an admixture are added to the mortar 137 to adjust the alkali concentration of the mortar 137 to, for example, 3.44 kg / cm 2 . On the other hand, the metal fitting 135 is loosely inserted in the first hole diameter portion 133e of the porcelain 133, and the mortar 137 is poured into the gap between the outer peripheral surface of the metal fitting 135 and the first hole diameter portion 133e of the porcelain 133,
The mortar 137 is hardened to complete the insulator 130.
【００２０】なお、磁器１３３の第１の孔径部１３３ｅ
の底面に金具１３５の外周径よりも、僅かに大きい溝を
設けておいて、金具１３５の底面に接着剤としてのワニ
スを塗布して、磁器１３３の該溝に金具１３５の底面を
仮固定し、上記モルタル１３７を流し込んでも良い。Incidentally, the first hole diameter portion 133e of the porcelain 133
A groove slightly larger than the outer diameter of the metal fitting 135 is provided on the bottom surface of the metal fitting 135, and varnish as an adhesive is applied to the bottom surface of the metal fitting 135 to temporarily fix the bottom surface of the metal fitting 135 to the groove of the porcelain 133. Alternatively, the mortar 137 may be poured.
【００２１】[0021]
【発明の効果】第１の発明によれば、内部に空洞部を有
すると共に、この空洞部の内周面にネジが螺刻された金
属から成る略円柱状の柱状部材と、この柱状部材を遊挿
する孔径部を有する磁器と、上記柱状部材を上記磁器の
孔径部に遊挿して形成された上記柱状部材の外周面と上
記磁器の孔径部との隙間に、充填したモルタルと、を有
する碍子において、上記孔径部は、径が異なる第１及び
第２の孔径部を開口から順に設けられており、上記第１
の孔径部の径が上記第２の孔径部の径よりも大きく成っ
ており、上記金具は、上記第１の孔径部に遊挿されると
共に、上記第１の孔径部の周囲の底面に当接する筒状に
したので、第１の発明の効果に加え、モルタルが磁器の
第２の孔径部に充填されないから、第２の孔径部の近傍
ではへアクラックが生じないという効果がある。 According to the first aspect of the present invention, a substantially columnar columnar member made of metal having a cavity inside and having a screw threaded on the inner peripheral surface of the cavity, and the columnar member are provided. Yes and porcelain having a hole diameter portion loosely inserted, the columnar member into the gap between the opening part of the outer peripheral surface and the porcelain hole diameter to be formed by loosely inserted the above columnar members of the porcelain, and mortar was packed, the
In the insulator, the hole diameter portion includes first and different diameters.
The second hole diameter portion is provided in order from the opening, and
Is larger than the diameter of the second hole diameter portion.
When the metal fitting is loosely inserted into the first hole diameter portion,
Both have a cylindrical shape that abuts the bottom surface around the first hole diameter portion.
Therefore, in addition to the effect of the first invention, the mortar is made of porcelain.
Since the second hole diameter portion is not filled, the vicinity of the second hole diameter portion
Then, there is an effect that a crack does not occur.
【００２２】[0022]
【００２３】第２の発明によれば、第１又は第２の発明
の効果に加え、磁器の第１の孔径部の上部には、盛り上
がり部を周設したので、碍子の磁器の盛り上がり部を除
き、上薬を塗り易くなるという効果がある。According to the second invention, in addition to the effects of the first or second invention, the upper portion of the first opening part of the porcelain, since the circumferentially bulging portion, the raised portion of the insulator of porcelain Except that, it has the effect of making it easier to apply the medicine.
【００２４】第３の発明によれば、第１から第３の何れ
かの発明の効果に加え、柱状部材には、径が異なる第１
及び第２の空洞部を開口から順に第１柱部、第２柱部を
それぞれ設け、上記第１の空洞部の径が上記第２の空洞
部の径よりも小さく形成されており、上記モルタルは上
記柱状部材の第２柱部のみに充填されたので、柱状部材
の熱膨張が第２柱部近傍で抑制され、モルタルにクラッ
クが生じにくいという効果がある。According to the third invention, in addition to the effects of the first 3 any one of the, the columnar member, first the different diameters
And the second hollow portion is provided with a first pillar portion and a second pillar portion in order from the opening, and the diameter of the first hollow portion is smaller than the diameter of the second hollow portion. Since only the second pillar portion of the columnar member is filled with, the thermal expansion of the columnar member is suppressed in the vicinity of the second pillar portion, and there is an effect that cracks are less likely to occur in the mortar.
【図１】 この発明の一実施の形態による碍子の平面図
である。FIG. 1 is a plan view of an insulator according to an embodiment of the present invention.
【図２】 図１の矢視ＩＩ−ＩＩの断面図である。2 is a cross-sectional view taken along the line II-II of FIG.
【図３】 ブッシング組み立ての一部断面図である。FIG. 3 is a partial cross-sectional view of the bushing assembly.
【図４】 碍子の平面図である。FIG. 4 is a plan view of an insulator.
【図５】 図４の矢視ＩＶ−ＩＶの断面図である。5 is a cross-sectional view taken along the line IV-IV in FIG.
１３０ 碍子、１３０ａ 溝、１３３ 磁器、１３３ｅ
第１の孔径部、１３３ｆ 第２の孔径部、１３３ｚ
盛り上がり部、１３５ 金具（柱状部材）、１３５ｅ
第１の空洞部、１３５ｆ 第２の空洞部、１３７ モル
タル。130 insulator, 130a groove, 133 porcelain, 133e
1st hole diameter part, 133f 2nd hole diameter part, 133z
Raised part, 135 metal fitting (columnar member), 135e
First cavity, 135f Second cavity, 137 mortar.
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H01F 27/04 H01B 17/26 ─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. 7 , DB name) H01F 27/04 H01B 17/26
Claims (3)
部の内周面にネジが螺刻された金属から成る略円柱状の
柱状部材と、この柱状部材を遊挿する孔径部を有する磁
器と、 上記柱状部材を上記磁器の孔径部に遊挿して形成された
上記柱状部材の外周面と上記磁器の孔径部との隙間に、
充填したモルタルと、 を有する碍子において、 上記孔径部は、径が異なる第１及び第２の孔径部を開口
から順に設けられており、上記第１の孔径部の径が上記
第２の孔径部の径よりも大きく成っており、上記金具
は、上記第１の孔径部に遊挿されると共に、上記第１の
孔径部の周囲の底面に当接する筒状である、 ことを特徴
とする碍子。1. A porcelain having a hollow portion inside, a substantially columnar columnar member made of metal having a screw threaded on an inner peripheral surface of the hollow portion, and a hole diameter portion loosely inserting the columnar member. In the gap between the outer peripheral surface of the columnar member formed by loosely inserting the columnar member into the hole diameter portion of the porcelain and the hole diameter portion of the porcelain ,
In an insulator having a mortar filled therein , the hole diameter portion is formed by opening first and second hole diameter portions having different diameters.
And the diameter of the first hole diameter portion is
The metal fitting is larger than the diameter of the second hole diameter portion,
Is loosely inserted in the first hole diameter portion, and
An insulator characterized in that it has a cylindrical shape that abuts a bottom surface around a hole diameter portion .
り上がり部を周設したことを特徴とする請求項１に記載
の碍子。 2. A porcelain deposit is provided on an upper portion of the first hole diameter portion of the porcelain.
The rising part is provided around, and the rising part is provided around the rising part.
Insulator.
第２の空洞部を開口から順に第１柱部、第２柱部をそれ
ぞれ設け、上記第１の空洞部の径が上記第２の空洞部の
径よりも小さく形成されており、上記モルタルは、上記
柱状部材の第２柱部のみに充填された、ことを特徴とす
る請求項１または請求項２に記載の碍子。 3. The columnar member includes first and different diameters.
From the opening, open the second hollow part and then the first pillar part and the second pillar part.
And the diameter of the first cavity is equal to that of the second cavity.
The mortar is formed smaller than the diameter.
It is characterized in that only the second pillar portion of the pillar member is filled.
The insulator according to claim 1 or 2,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18706398A JP3518347B2 (en) | 1998-07-02 | 1998-07-02 | Insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18706398A JP3518347B2 (en) | 1998-07-02 | 1998-07-02 | Insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000021647A JP2000021647A (en) | 2000-01-21 |
| JP3518347B2 true JP3518347B2 (en) | 2004-04-12 |
Family
ID=16199509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18706398A Expired - Fee Related JP3518347B2 (en) | 1998-07-02 | 1998-07-02 | Insulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3518347B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6661370B2 (en) | 2001-12-11 | 2003-12-09 | Fujitsu Ten Limited | Radar data processing apparatus and data processing method |
-
1998
- 1998-07-02 JP JP18706398A patent/JP3518347B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000021647A (en) | 2000-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3518347B2 (en) | Insulator | |
| JPS5938527B2 (en) | Improved structure for disposable immersion thermocouple assembly | |
| US4596132A (en) | Gas component detecting plug | |
| NO20010658D0 (en) | Method of manufacturing an electrical insulator | |
| JPS642010Y2 (en) | ||
| JPH075648Y2 (en) | Seed type thermocouple | |
| JPH0528894Y2 (en) | ||
| JPH0542337Y2 (en) | ||
| JPS6015928Y2 (en) | insulation rod | |
| KR890006099Y1 (en) | Plug of electric jack | |
| JPH08196026A (en) | Conductor connection part of solid insulation power cable | |
| JPH0128453Y2 (en) | ||
| JPH0132291Y2 (en) | ||
| JPS63247630A (en) | Manufacture of platinum temperature measuring element | |
| JPS6343745Y2 (en) | ||
| JPH034017Y2 (en) | ||
| JPH0542334Y2 (en) | ||
| JPH0133980Y2 (en) | ||
| JPH07240125A (en) | Bushing and manufacture of bushing | |
| JPS6218892B2 (en) | ||
| JPS6322614Y2 (en) | ||
| SE409883B (en) | MAGNETITANOD AND KIT FOR MANUFACTURE OF A SUCH | |
| JPH0673252B2 (en) | Bushing | |
| JP2003007157A (en) | Bushing | |
| JPH04124738U (en) | temperature switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20040106 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20040119 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080206 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090206 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100206 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100206 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110206 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120206 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130206 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130206 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140206 Year of fee payment: 10 |
|
| LAPS | Cancellation because of no payment of annual fees |