JP2000106052A - Method for fixing rivet type contact to metal board - Google Patents
Method for fixing rivet type contact to metal boardInfo
- Publication number
- JP2000106052A JP2000106052A JP10274629A JP27462998A JP2000106052A JP 2000106052 A JP2000106052 A JP 2000106052A JP 10274629 A JP10274629 A JP 10274629A JP 27462998 A JP27462998 A JP 27462998A JP 2000106052 A JP2000106052 A JP 2000106052A
- Authority
- JP
- Japan
- Prior art keywords
- type contact
- rivet
- head
- foot
- base
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 title abstract 7
- 239000010953 base metal Substances 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 14
- 229910017980 Ag—Sn Inorganic materials 0.000 claims description 6
- 229910018956 Sn—In Inorganic materials 0.000 claims description 6
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000002788 crimping Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Manufacture Of Switches (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、各種スイッチ等に
おける接点として用いられるリベット型接点の台金への
固定方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for fixing a rivet-type contact used as a contact in various switches and the like to a base.
【０００２】[0002]
【従来の技術】従来から、頭部とこの頭部より小径な足
部とが一体に形成されたリベット型接点は、台金に固定
され、各種スイッチの接点として使用されている。従
来、次のようにしてリベット型接点を台金に固定してい
た。まず、図７に示すように、台金１に穿設された円孔
からなる孔部１Ａに、頭部２とこの頭部２より小径な円
柱状の足部３とが一体に形成されたリベット型接点４の
足部３を下側から挿通した後、うす５に形成された偏平
円柱状でかつ頭部２より少し大きい凹部５Ａによって、
端部に向かって漸次小径になるように形成された偏平な
切頭円錐状の頭部２を拘束した状態で、下端面６Ａが平
坦なポンチ６により足部３の先端面３Ａ全面を押圧し先
端面３Ａ全面を下方に押し潰す一次加締めを行う。これ
により、図８に示すように、足部３の先端部が増径しリ
ベット型接点４が台金１から抜け落ちないように仮止め
される。次いで、図９に示すように、うす７に形成され
た頭部２の大きさに合致した偏平な切頭円錐状の凹部７
Ａによって頭部２を拘束した状態で、下端面８Ａが平坦
なポンチ８により足部３の先端面３Ａ全面を押圧し先端
面３Ａ全面を下方に押し潰す本加締めを行う。これによ
り、図１０に示すように、足部３の先端部がさらに増径
し台金１の上面と孔部１Ａとの角部を包み込むようにし
て密着するとともに、台金１の孔部１Ａ内の足部３が増
径し孔部１Ａに密着することにより、リベット型接点４
が台金１に固定される。2. Description of the Related Art Conventionally, a rivet-type contact in which a head and a foot smaller in diameter than the head are integrally formed is fixed to a base metal and used as a contact for various switches. Conventionally, a rivet-type contact has been fixed to a base metal as follows. First, as shown in FIG. 7, a head 2 and a columnar foot 3 smaller in diameter than the head 2 are integrally formed in a hole 1A formed of a circular hole formed in the base 1. After the foot portion 3 of the rivet type contact 4 is inserted from below, the flat cylindrical shape formed in the light 5 and the concave portion 5A slightly larger than the head portion 2
In a state where the flat truncated conical head 2 formed so as to gradually decrease in diameter toward the end is restrained, the entire lower end face 6A is pressed by the flat punch 6 on the front end face 3A of the foot 3. Primary crimping is performed to crush the entire front end surface 3A downward. As a result, as shown in FIG. 8, the tip of the foot 3 is increased in diameter, and the rivet-type contact 4 is temporarily fixed so as not to fall off from the base metal 1. Next, as shown in FIG. 9, a flat truncated conical concave portion 7 that matches the size of the head portion 2 formed in the light 7.
With the head 2 constrained by A, the final crimping is performed in which the entire lower end surface 8A of the foot 3 is pressed by the flat punch 8 and the entire front end surface 3A is crushed downward. As a result, as shown in FIG. 10, the tip of the foot 3 further increases in diameter and closely adheres so as to wrap around the corner between the upper surface of the base 1 and the hole 1A. The inside of the foot 3 is increased in diameter and closely attached to the hole 1A, so that the rivet type contact 4 is formed.
Is fixed to the base 1.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、このよ
うな従来のリベット型接点の台金への固定方法において
は、一次加締めにおいて、足部３の先端面３Ａ全面を下
方に押し潰した際、潰し応力が頭部２に全面的に作用し
て頭部２が過剰に増径し、その結果頭部２の外周部に割
れ（口開き）が発生してしまうという問題があった。特
に、硬くて脆い錫（Ｓｎ）を含有するＡｇ−Ｓｎ系の合
金やＡｇ−Ｓｎ−Ｉｎ系の合金において上記割れが発生
し易かった。なお、この一次加締めで生じた割れを、後
の本加締めにおいて矯正することは困難である。本発明
は、上記事情に鑑みなされたもので、加締めの際のリベ
ット型接点の頭部の割れを防止することができるリベッ
ト型接点の台金への固定方法を提供することを目的とす
る。However, in such a conventional method of fixing the rivet-type contact to the base metal, when the entire front end surface 3A of the foot 3 is crushed downward in the primary caulking, There is a problem that the crushing stress acts on the entire surface of the head 2 and the diameter of the head 2 is excessively increased. As a result, a crack (opening) occurs on the outer peripheral portion of the head 2. In particular, the above-described crack was easily generated in an Ag-Sn alloy or an Ag-Sn-In alloy containing hard and brittle tin (Sn). In addition, it is difficult to correct the crack generated by the primary crimping in the final crimping. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a method for fixing a rivet-type contact to a base metal that can prevent a head of the rivet-type contact from cracking when caulking. .
【０００４】[0004]
【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に記載の本発明に係るリベット型接点の台
金への固定方法は、台金に穿設された孔部に、頭部とこ
の頭部より小径な足部とが一体に形成されたリベット型
接点を、上記足部を上記台金の上記孔部に挿通して加締
めることにより固定するリベット型接点の台金への固定
方法であって、上記リベット型接点の上記足部を上記台
金の上記孔部に挿通した後、上記足部の先端面中央部を
押し潰して上記リベット型接点を上記台金に仮止めする
一次加締め工程と、この仮止めされた上記リベット型接
点の上記足部の先端面全面を押し潰して上記リベット型
接点を上記台金に固定する本加締め工程とを備えたこと
を特徴とするものである。According to a first aspect of the present invention, there is provided a method for fixing a rivet-type contact to a base metal according to the present invention. A rivet-type contact base for fixing a rivet-type contact in which a head and a foot smaller than the head are integrally formed by inserting the foot into the hole of the base and caulking. After inserting the foot of the rivet-type contact into the hole of the base, the center of the tip end surface of the foot is crushed, and the rivet-type contact is fixed to the base. A primary caulking step of temporarily fixing, and a final caulking step of crushing the entire front end surface of the foot portion of the temporarily fixed rivet type contact and fixing the rivet type contact to the base metal. It is characterized by the following.
【０００５】また、請求項２に記載の発明は、請求項１
において、上記リベット型接点は、Ａｇ−Ｓｎ系の合金
またはＡｇ−Ｓｎ−Ｉｎ系の合金からなることを特徴と
するものである。[0005] Further, the invention according to claim 2 is based on claim 1.
Wherein the rivet-type contact is made of an Ag-Sn alloy or an Ag-Sn-In alloy.
【０００６】請求項１に記載の発明においては、一次加
締め工程において、リベット型接点の足部の先端面の中
央部が押し潰され、これにより足部の先端部が増径しリ
ベット型接点が台金から抜け落ちないように仮止めされ
る。ここで、リベット型接点の足部は中央部のみ部分的
に押し潰されるので、頭部への加締め応力が軽減されて
頭部の増径が抑制されるため、頭部に割れが発生しな
い。したがって、請求項２のように、特に頭部の割れが
発生し易いＡｇ−Ｓｎ系の合金あるいはＡｇ−Ｓｎ−Ｉ
ｎ系の合金からなるリベット型接点の固定に適用した場
合に、顕著な効果を奏する。According to the first aspect of the present invention, in the first caulking step, the center of the tip surface of the foot of the rivet-type contact is crushed, whereby the tip of the foot increases in diameter and the rivet-type contact is made. Is temporarily fixed so that it does not fall out of the base. Here, the foot portion of the rivet-type contact is partially crushed only in the central portion, so that the caulking stress on the head is reduced and the increase in diameter of the head is suppressed, so that the head does not crack. . Therefore, an Ag-Sn-based alloy or Ag-Sn-I, in which cracking of the head is particularly likely to occur, is provided.
When applied to fixing a rivet-type contact made of an n-based alloy, a remarkable effect is exhibited.
【０００７】[0007]
【発明の実施の形態】以下、本発明のリベット型接点の
台金への固定方法の一実施態様を図面に基づいて説明す
る。なお、図７〜１０に示した従来のものと同一構成要
素には同一符号を付してその説明を簡略化する。まず、
図１に示すように、台金１に穿設された孔部１Ａに、リ
ベット型接点４の足部３を下側から挿通した後、うす５
に形成された頭部２より少し大きな凹部５Ａによって頭
部２を拘束した状態で、下端面１０Ａの中央部に切頭円
錐状の突起部１０Ｂが形成されたポンチ１０により足部
３の先端面３Ａの中央部を押圧し、先端面３Ａの中央部
を下方に押し潰す一次加締めを行う。これにより、図２
に示すように、足部３の先端面３Ａの中央部に凹部３Ｂ
が形成されるとともに、足部３の先端部が増径しリベッ
ト型接点４が台金１から抜け落ちないように仮止めされ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a method for fixing a rivet-type contact to a base according to the present invention will be described below with reference to the drawings. The same components as those of the related art shown in FIGS. 7 to 10 are denoted by the same reference numerals, and description thereof will be simplified. First,
As shown in FIG. 1, the foot 3 of the rivet-type contact 4 is inserted from below into a hole 1 </ b> A formed in
In a state where the head 2 is restrained by a recess 5A slightly larger than the head 2 formed at the bottom, a tip 10 of a foot 3 is formed by a punch 10 having a truncated conical projection 10B formed at the center of a lower end 10A. A primary caulking is performed in which the central portion of 3A is pressed and the central portion of the distal end surface 3A is crushed downward. As a result, FIG.
As shown in FIG.
Is formed, and the tip of the foot 3 is increased in diameter, and the rivet-type contact 4 is temporarily fixed so as not to fall off from the base 1.
【０００８】次いで、図３に示すように、うす７に形成
された頭部２の大きさに合致した凹部７Ａによって頭部
２を拘束した状態で、下端面８Ａが平坦なポンチ８によ
り足部３の環状の先端面３Ａ全面を押圧し先端面３Ａ全
面を下方に押し潰す本加締めを行う。これにより、図４
に示すように、足部３の先端部がさらに増径し台金１の
上面と孔部１Ａとの角部を包み込むようにして密着する
とともに、台金１の孔部１Ａ内の足部３が増径し孔部１
Ａに密着することにより、リベット型接点４が台金１に
固定される。上記リベット型接点４は、例えば、Ａｇ−
Ｓｎ系の合金、Ａｇ−Ｓｎ−Ｉｎ系の合金などからな
り、また台金１は、例えばステンレス鋼などからなるも
のである。Next, as shown in FIG. 3, while the head 2 is constrained by a concave portion 7A which is formed on the light 7 and conforms to the size of the head 2, a foot 8 is formed by a punch 8 having a flat lower end surface 8A. The final crimping is performed by pressing the entire surface of the annular distal end surface 3A and crushing the entire distal end surface 3A downward. As a result, FIG.
As shown in FIG. 5, the tip of the foot 3 further increases in diameter and closely adheres so as to wrap around the corner between the upper surface of the base 1 and the hole 1A. Increased in diameter and hole 1
The rivet-type contact 4 is fixed to the base metal 1 by being in close contact with A. The rivet type contact 4 is, for example, Ag-
The base 1 is made of, for example, stainless steel or the like, and is made of a Sn-based alloy, an Ag-Sn-In-based alloy, or the like.
【０００９】このようなリベット型接点の台金への固定
方法においては、リベット型接点４を台金１に仮止めす
る一次加締めにおいて、リベット型接点４の足部３の先
端面３Ａの中央部のみ部分的に押し潰すので、頭部２へ
の加締め応力を軽減することができるから頭部２の増径
を抑制することができ、そのため頭部の割れの発生を防
止することが可能となる。また、リベット型接点が、錫
を含有し頭部の割れが発生し易いＡｇ−Ｓｎ系の合金あ
るいはＡｇ−Ｓｎ−Ｉｎ系の合金からなる場合、より効
果を発揮する。In such a method of fixing the rivet-type contact to the base metal, in the primary caulking for temporarily fixing the rivet-type contact 4 to the base metal 1, the center of the tip surface 3 A of the foot portion 3 of the rivet-type contact 4 is set. Since only the part is partially crushed, the caulking stress on the head 2 can be reduced, so that it is possible to suppress the increase in the diameter of the head 2, thereby preventing the occurrence of cracks in the head. Becomes Further, when the rivet-type contact is made of an Ag-Sn-based alloy or an Ag-Sn-In-based alloy that contains tin and is liable to cause cracks in the head, the effect is more exhibited.
【００１０】なお、上記実施態様では、一次加締めにお
いて、下端面１０Ａの中央部に切頭円錐状の突起部１０
Ｂが形成されたポンチ１０を用いたが、これに代えて、
例えば、図５に示すように、下端面１１Ａの中央部に円
錐状の突起部１１Ｂが形成されたポンチ１１を用いても
よいし、あるいは図６に示すように、下端面１２Ａの中
央部に半球状の突起部１２Ｂが形成されたポンチ１２を
用いても良い。In the above embodiment, in the primary caulking, a truncated conical projection 10 is formed at the center of the lower end face 10A.
The punch 10 on which B was formed was used, but instead of this,
For example, as shown in FIG. 5, a punch 11 having a conical projection 11B formed at the center of the lower end surface 11A may be used, or as shown in FIG. A punch 12 having a hemispherical projection 12B may be used.
【００１１】[0011]
【発明の効果】以上説明したように、請求項１に記載の
リベット型接点の台金への固定方法にあっては、リベッ
ト型接点を台金に仮止めする一次加締め工程において、
リベット型接点の足部の中央部のみ部分的に押し潰すか
ら、頭部への加締め応力を軽減することができるので頭
部の増径を抑制することができる。その結果、頭部の割
れの発生を防止することができるという効果を奏する。
したがって、請求項２のように、特に頭部の割れが発生
し易いＡｇ−Ｓｎ系の合金あるいはＡｇ−Ｓｎ−Ｉｎ系
の合金からなるリベット型接点の台金への固定に適用し
た場合に、顕著な効果を奏することができる。As described above, in the method for fixing a rivet-type contact to a base according to the first aspect, in the primary caulking step of temporarily fixing the rivet-type contact to the base,
Since only the central part of the foot of the rivet-type contact is partially crushed, the caulking stress on the head can be reduced, so that the diameter increase of the head can be suppressed. As a result, it is possible to prevent the occurrence of cracks in the head.
Therefore, when the invention is applied to fixing a rivet-type contact made of an Ag-Sn-based alloy or an Ag-Sn-In-based alloy, which is particularly prone to cracking of the head, as set forth in claim 2, A remarkable effect can be achieved.
【図１】本発明に係るリベット型接点の台金への固定方
法の一実施態様を示す図であって、一次仮締め方法を説
明するための縦断面図である。FIG. 1 is a view showing one embodiment of a method for fixing a rivet-type contact to a base metal according to the present invention, and is a longitudinal sectional view for explaining a primary temporary fastening method.
【図２】本発明に係る一次仮締めを行った後の状態を示
す縦断面図である。FIG. 2 is a longitudinal sectional view showing a state after primary temporary fastening according to the present invention is performed.
【図３】本発明に係るリベット型接点の台金への固定方
法の一実施態様を示す図であって、本加締め方法を説明
するための縦断面図である。FIG. 3 is a view showing one embodiment of a method for fixing a rivet-type contact to a base metal according to the present invention, and is a longitudinal sectional view for explaining a final caulking method.
【図４】本発明に係る本加締めを行った後の状態を示す
縦断面図である。FIG. 4 is a longitudinal sectional view showing a state after the final caulking according to the present invention is performed.
【図５】本発明に係る一次仮締め工程で使用するポンチ
の変形例を示す縦断面図である。FIG. 5 is a longitudinal sectional view showing a modified example of the punch used in the primary temporary fastening step according to the present invention.
【図６】本発明に係る一次仮締め工程で使用するポンチ
のさらに他の変形例を示す縦断面図である。FIG. 6 is a longitudinal sectional view showing still another modified example of the punch used in the primary temporary fastening step according to the present invention.
【図７】従来のリベット型接点の台金への固定方法を示
す図であって、一次仮締め方法を説明するための縦断面
図である。FIG. 7 is a view showing a conventional method of fixing a rivet-type contact to a base metal, and is a longitudinal sectional view for explaining a primary temporary fastening method.
【図８】従来の一次仮締めを行った後の状態を示す縦断
面図である。FIG. 8 is a longitudinal sectional view showing a state after a conventional temporary temporary fastening is performed.
【図９】従来のリベット型接点の台金への固定方法を示
す図であって、本加締め方法を説明するための縦断面図
である。FIG. 9 is a view showing a conventional method of fixing a rivet-type contact to a base metal, and is a longitudinal sectional view for explaining a final caulking method.
【図１０】従来の本加締めを行った後の状態を示す縦断
面図である。FIG. 10 is a longitudinal sectional view showing a state after performing a conventional final caulking.
１ 台金 １Ａ 孔部 ２ 頭部 ３ 足部 ３Ａ 先端面 ３Ｂ 凹部 ４ リベット型接点 ５、７ うす ５Ａ、７Ａ 凹部 ８、１０、１１、１２ ポンチ ８Ａ、１０Ａ、１１Ａ、１２Ａ 下端面 １０Ｂ、１１Ｂ、１２Ｂ 突起部 1 Base 1A Hole 2 Head 3 Foot 3A Tip 3B Recess 4 Riveted contact 5,7 Light 5A, 7A Recess 8,10,11,12 Punch 8A, 10A, 11A, 12A Lower end 10B, 11B, 12B Projection
Claims (2)
部より小径な足部とが一体に形成されたリベット型接点
を、上記足部を上記台金の上記孔部に挿通して加締める
ことにより固定するリベット型接点の台金への固定方法
であって、 上記リベット型接点の上記足部を上記台金の上記孔部に
挿通した後、上記足部の先端面中央部を押し潰して上記
リベット型接点を上記台金に仮止めする一次加締め工程
と、この仮止めされた上記リベット型接点の上記足部の
先端面全面を押し潰して上記リベット型接点を上記台金
に固定する本加締め工程とを備えたことを特徴とするリ
ベット型接点の台金への固定方法。A rivet-type contact in which a head and a foot smaller in diameter than the head are integrally formed in a hole formed in the base, and the foot is connected to the hole in the base. A method for fixing a rivet-type contact to a base, which is fixed by inserting and caulking, wherein the foot of the rivet-type contact is inserted into the hole of the base, and then a tip of the foot A primary caulking step of crushing the center of the surface to temporarily fix the rivet-type contact to the base metal, and crushing the entire front end surface of the foot of the temporarily fixed rivet-type contact to form the rivet-type contact And a final caulking step of fixing the rivet-type contact to the base metal.
合金またはＡｇ−Ｓｎ−Ｉｎ系の合金からなることを特
徴とするリベット型接点の台金への固定方法。2. A method for fixing a rivet-type contact to a base metal, wherein the rivet-type contact is made of an Ag-Sn-based alloy or an Ag-Sn-In-based alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27462998A JP4158240B2 (en) | 1998-09-29 | 1998-09-29 | Fixing the rivet type contact to the base metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27462998A JP4158240B2 (en) | 1998-09-29 | 1998-09-29 | Fixing the rivet type contact to the base metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000106052A true JP2000106052A (en) | 2000-04-11 |
| JP4158240B2 JP4158240B2 (en) | 2008-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27462998A Expired - Fee Related JP4158240B2 (en) | 1998-09-29 | 1998-09-29 | Fixing the rivet type contact to the base metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4158240B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017045665A (en) * | 2015-08-28 | 2017-03-02 | 日本電産サンキョーシーエムアイ株式会社 | Rivet contact and method for fixing rivet contact to base metal |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52162457U (en) * | 1976-06-03 | 1977-12-09 | ||
| JPS5645549U (en) * | 1979-09-12 | 1981-04-23 | ||
| JPS5696414A (en) * | 1979-12-29 | 1981-08-04 | Matsushita Electric Works Ltd | Method of manufacturing contact |
| JPS60243911A (en) * | 1984-05-18 | 1985-12-03 | 田中貴金属工業株式会社 | Composite contact strip |
| JPH0419927A (en) * | 1990-05-11 | 1992-01-23 | Tanaka Kikinzoku Kogyo Kk | Caulking receiver die of rivet-type contact point |
| JPH0468516A (en) * | 1990-07-10 | 1992-03-04 | Matsushita Electric Ind Co Ltd | Caulking method of aluminum rivet for connection of inside terminal of electrolytic capacitor |
| JPH081425U (en) * | 1992-12-21 | 1996-09-27 | 靖隆 中島 | Method of manufacturing electric contact |
-
1998
- 1998-09-29 JP JP27462998A patent/JP4158240B2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52162457U (en) * | 1976-06-03 | 1977-12-09 | ||
| JPS5645549U (en) * | 1979-09-12 | 1981-04-23 | ||
| JPS5696414A (en) * | 1979-12-29 | 1981-08-04 | Matsushita Electric Works Ltd | Method of manufacturing contact |
| JPS60243911A (en) * | 1984-05-18 | 1985-12-03 | 田中貴金属工業株式会社 | Composite contact strip |
| JPH0419927A (en) * | 1990-05-11 | 1992-01-23 | Tanaka Kikinzoku Kogyo Kk | Caulking receiver die of rivet-type contact point |
| JPH0468516A (en) * | 1990-07-10 | 1992-03-04 | Matsushita Electric Ind Co Ltd | Caulking method of aluminum rivet for connection of inside terminal of electrolytic capacitor |
| JPH081425U (en) * | 1992-12-21 | 1996-09-27 | 靖隆 中島 | Method of manufacturing electric contact |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017045665A (en) * | 2015-08-28 | 2017-03-02 | 日本電産サンキョーシーエムアイ株式会社 | Rivet contact and method for fixing rivet contact to base metal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4158240B2 (en) | 2008-10-01 |
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