JPS62252016A - 接点ゴム導通部の形成法 - Google Patents

接点ゴム導通部の形成法

Info

Publication number
JPS62252016A
JPS62252016A JP61093444A JP9344486A JPS62252016A JP S62252016 A JPS62252016 A JP S62252016A JP 61093444 A JP61093444 A JP 61093444A JP 9344486 A JP9344486 A JP 9344486A JP S62252016 A JPS62252016 A JP S62252016A
Authority
JP
Japan
Prior art keywords
rubber
oil
conductive
formation
contact
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
Application number
JP61093444A
Other languages
English (en)
Other versions
JPH046049B2 (ja
Inventor
大沢　康久
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polymatech Co Ltd
Original Assignee
Polymatech Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Polymatech Co Ltd filed Critical Polymatech Co Ltd
Priority to JP61093444A priority Critical patent/JPS62252016A/ja
Priority to PCT/JP1986/000419 priority patent/WO1987001235A1/ja
Priority to ES868601136A priority patent/ES2001524A6/es
Priority to EP19860904938 priority patent/EP0233296A4/en
Priority to US07/043,560 priority patent/US4800243A/en
Priority to KR1019870700310A priority patent/KR900003800B1/ko
Priority to NO871469A priority patent/NO871469D0/no
Priority to DK192087A priority patent/DK192087A/da
Publication of JPS62252016A publication Critical patent/JPS62252016A/ja
Publication of JPH046049B2 publication Critical patent/JPH046049B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
    • H01H13/785—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/022—Material
    • H01H2201/032—Conductive polymer; Rubber
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/002—Movable contacts fixed to operating part

Landscapes

  • Push-Button Switches (AREA)
  • Manufacture Of Switches (AREA)
  • Contacts (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 ［産業上の利用分野１ 本発明は電子機器のスイッチ部に使用する接点ゴムにお
いて、キートップを一体成形するタイプの導通部形成方
法に関するものである。
［従来の技術］ 従来のキートップ一体型の接点ゴムの導通部は絶縁ゴム
部に単に導電ゴム部を加硫接着するか、あるいは導電イ
ンクのみを印刷することにより作製されている。
［発明が解決しようとする問題点コ キートツブ一体型の接点ゴムはキートップ部を指でブツ
シュしてキー操作するが、この時指の油等の物質がキー
面に付着する。その後この油は接点ゴム内に吸着され、
長期間使用することにより、この吸着された油が導通部
にまで浸透し、ついには導通部の抵抗を変化させてしま
ったり、あるいは不導通にしてしまったりすることがあ
る。
［問題を解決するための手段］ そこで本発明は、導通部と絶縁ゴム部との間に耐油性層
を形成することにより、油等の吸着物が導通部へ浸透す
るのを遮断する構造としたものである。
し実施例］ まず導通部のないドーム状の接点ゴムのキートップ部１
を絶縁ゴムにて成形し、その裏面中央の導通部となる箇
所にまず耐油性インク２、例えばシリコン系の生ゴムか
らの誘導物（シロキ酸ポリマー主鎮にハロゲンや有機物
をグラフト重合させた化合物等）を印刷し、さらにその
耐油層の表面に導電インク３を印刷する。
［発明の効果］ このような方法で形成される導電部を、キートップ一体
型の接点ゴムに用いることにより、キートップ絶縁ゴム
部からの付着物の浸透は耐油性層で完全に遮断され、そ
れ以上さらに浸透するおそれがなくなり、また厳しい外
部条件、例えば油の飛散する工場内、調理場所等におい
ても機器の導通部を守ることができるので接点ゴムが安
定したものとして用いられ信頼性が向上し用途が拡大す
る。
【図面の簡単な説明】
図は接点ゴムの断面を示す。 １・・・・・・キートップ部絶縁ゴム ２・・・・・・耐油性層 ３・・・・・・導電インク 特許出願人　　　　　　富士ゴム　株式会社代理人弁理
士　　　　　松　１）省　躬手続？１１１正瑚（自発） １、事件の表示 昭和６１年　特　許　願　第９３４４４号２、発明の名
称 接点ゴム導通部の形成法 ３、補正をする者 事件との関係　　　特許出願人 名　　称　　　富士ゴム　株式会社 ６、？ｌｉ圧の対象　　　　明ｔｉｔＪ！７、補正の内
容 明４Ｉ宙の第２頁第１７行目［鎮Ｊを「鎖Ｊと訂正する
。

Claims (1)

    【特許請求の範囲】
  1. 接点ゴムキートップ部を絶縁ゴムにて成形し、この絶縁
    部の導通部となる部位に耐油性インクを印刷して耐油層
    を形成し、さらにこの耐油層の表面に導電インクを印刷
    する工程からなる接点ゴム導通部の形成法。
JP61093444A 1985-08-16 1986-04-24 接点ゴム導通部の形成法 Granted JPS62252016A (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP61093444A JPS62252016A (ja) 1986-04-24 1986-04-24 接点ゴム導通部の形成法
PCT/JP1986/000419 WO1987001235A1 (fr) 1985-08-16 1986-08-14 Caoutchouc de contact
ES868601136A ES2001524A6 (es) 1985-08-16 1986-08-14 Caucho para contactores
EP19860904938 EP0233296A4 (en) 1985-08-16 1986-08-14 CONTACT RUBBER.
US07/043,560 US4800243A (en) 1986-04-24 1986-08-14 Contactor rubber
KR1019870700310A KR900003800B1 (ko) 1985-08-16 1986-08-14 접점고무
NO871469A NO871469D0 (no) 1985-08-16 1987-04-08 Kontaktorgummi.
DK192087A DK192087A (da) 1985-08-16 1987-04-14 Elastomer kontaktor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61093444A JPS62252016A (ja) 1986-04-24 1986-04-24 接点ゴム導通部の形成法

Publications (2)

Publication Number Publication Date
JPS62252016A true JPS62252016A (ja) 1987-11-02
JPH046049B2 JPH046049B2 (ja) 1992-02-04

Family

ID=14082494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61093444A Granted JPS62252016A (ja) 1985-08-16 1986-04-24 接点ゴム導通部の形成法

Country Status (2)

Country Link
US (1) US4800243A (ja)
JP (1) JPS62252016A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04124730U (ja) * 1991-04-30 1992-11-13 しなのポリマー株式会社 符号照光押釦スイツチ

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270507A (en) * 1989-01-19 1993-12-14 Shin-Etsu Polymer Co., Ltd. Push button switch and method for manufacturing same
US5163765A (en) * 1992-03-04 1992-11-17 Apple Computer, Inc. Collapsible keyboard
CA2197283A1 (en) * 1996-02-13 1997-08-14 Mikio Horiuchi Card and information recording card and method of using the same
JP4442963B2 (ja) * 1999-10-26 2010-03-31 パナソニック株式会社 ボタンスイッチ
DE10062380A1 (de) * 2000-12-14 2002-07-04 Siemens Ag Tastaturanordnung für eine elektronische Vorrichtung und elektronische Vorrichtung
US7115825B2 (en) * 2001-02-15 2006-10-03 Integral Technologies, Inc. Low cost key actuators and other switching device actuators manufactured from conductive loaded resin-based materials
GB0703172D0 (en) 2007-02-19 2007-03-28 Pa Knowledge Ltd Printed circuit boards
GB2462823A (en) * 2008-08-18 2010-02-24 Crombie 123 Ltd A switch
US9055700B2 (en) 2008-08-18 2015-06-09 Semblant Limited Apparatus with a multi-layer coating and method of forming the same
US8995146B2 (en) 2010-02-23 2015-03-31 Semblant Limited Electrical assembly and method
GB201621177D0 (en) 2016-12-13 2017-01-25 Semblant Ltd Protective coating

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54122888A (en) * 1978-03-17 1979-09-22 Sakura Kk Keyswitch
KR900006479Y1 (ko) * 1983-04-20 1990-07-26 부라더 고오교 가부시기가이샤 키보드
FR2576449A1 (fr) * 1985-01-18 1986-07-25 Hutchinson Clavier a elements de commande integres avec predetermination de la loi de mise sous pression de leur element electroconducteur, et procede de fabrication de ce clavier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04124730U (ja) * 1991-04-30 1992-11-13 しなのポリマー株式会社 符号照光押釦スイツチ

Also Published As

Publication number Publication date
JPH046049B2 (ja) 1992-02-04
US4800243A (en) 1989-01-24

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