JP3915095B2 - Footwear bottom static eliminator and antistatic footwear bottom - Google Patents

Footwear bottom static eliminator and antistatic footwear bottom Download PDF

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Publication number
JP3915095B2
JP3915095B2 JP2002331544A JP2002331544A JP3915095B2 JP 3915095 B2 JP3915095 B2 JP 3915095B2 JP 2002331544 A JP2002331544 A JP 2002331544A JP 2002331544 A JP2002331544 A JP 2002331544A JP 3915095 B2 JP3915095 B2 JP 3915095B2
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static electricity
sheet
footwear
static
footwear bottom
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JP2004160043A (en
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裕和 木村
佳与 豊田
正博 長谷川
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OSAKAPREFECTURAL GOVERNMENT
Morito Co Ltd
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OSAKAPREFECTURAL GOVERNMENT
Morito Co Ltd
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Priority to JP2002331544A priority Critical patent/JP3915095B2/en
Priority to TW092131424A priority patent/TW200412869A/en
Priority to US10/704,135 priority patent/US20040128864A1/en
Priority to KR1020030080482A priority patent/KR20040042891A/en
Priority to CNA2003101161159A priority patent/CN1505996A/en
Priority to DE60307201T priority patent/DE60307201D1/en
Priority to EP03257221A priority patent/EP1419708B1/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/28—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
    • A43B13/36—Easily-exchangeable soles
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/16—Overshoes
    • A43B3/163—Overshoes specially adapted for health or hygienic purposes, e.g. comprising electrically conductive material allowing the discharge of electrostatic charges
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/36—Footwear with health or hygienic arrangements with earthing or grounding means

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Elimination Of Static Electricity (AREA)

Description

【０００１】
【発明が属する技術分野】
本発明は、履物底に設け、導電性繊維によるコロナ放電を利用して、歩行時に履物と地面との間で発生する静電気を除去する履物底用静電気除去具、及び当該静電気除去機能を備えた履物底に関する。
【０００２】
【従来の技術】
従来より、履物本体の底で地面と接する部分を形成するゴム、繊維物等材料に、ステンレスファイバーの織度０．５デニール乃至１．５デニール、長さ０．０１乃至０．１５ｍｍの材料を重量比３乃至５％の範囲で含有した静電気防止履物、及び、前記ステンレスファイバーに代えてチップ状若しくは箔状ステンレスを使用した静電気防止履物（以下、先行技術１という。）が公知である（例えば、特許文献１参照。）。
【０００３】
【特許文献１】
特開平２００２−１０１９０４（第２−３頁）
【０００４】
【発明が解決しようとする課題】
履物底は、地面と激しく擦れる部位であることから、歩行時において静電気発生の大きな原因となっている。この結果、履物底には、静電気が溜まり、更に、静電移動によって、人体全体が帯電することとなる。このような観点から、人体が帯電しないように、履物底において、除電できることが非常に望ましい。
【０００５】
しかしながら、上記先行技術１に係る発明は、前記したように、履物底における接地部位にステンレスファイバーは床面の材質に関わらず、導電性繊維の先端で静電気を中和減少により減衰させようとするものであるが、合成ゴム等と配合して、常に接地状態として使用するものであるため、地面との接触によって、導電性繊維の露出面が汚染されることで、放電が阻害される虞があった。
【０００６】
また、合成ゴム等にステンレスファイバーを配合する場合には、当該合成ゴムが本来有する耐久性、弾力性等と比較して、劣る可能性が非常に高く、履き心地や歩き易さといった点で質の低下を招来するものであった。
【０００７】
本発明は以上の事情に鑑みてなされたものであり、耐久性、弾力性といった履物底の材料の特性に影響を与えず、また、導電性繊維の露出面が汚染されることによる除電機能の低下を招来しない静電気除去具及び静電気除去履物底を提供することを、解決しようとする手段とするものである。
【０００８】
【課題を解決するための手段】
本願発明に係る履物底用静電気除去具は、履物底（７）の接地面（７０）に対する取付手段を内面（１３）に備えた基板（１）と、コロナ放電を除電手段とする静電気除去シート（２）とから構成され、基板（１）における接地面（１０）に前記静電気除去シート（２）の厚さよりも深い凹部（１１）を形成するとともに、該凹部（１１）の底面（１２）に対して、前記静電気除去シート（２）を固着手段を介して取付けることにより、静電気除去シート（２）の外面（２０）が、基板（１）の接地面（１０）よりも凹んだ段差を形成した履物底用静電気除去具において、基板（１）の凹部縁（１４）にシート被覆片（１５）を形成し、該シート被覆片（１５）によって静電気除去シート（２）の外面端部（２１）を被覆した点、及び本願発明に係る静電気除去履物底は、履物底（３）における接地面（３０）に、コロナ放電を除電手段とする静電気除去シート（２）の厚さよりも深い凹部（３１）を形成し、該凹部（３１）の底面（３２）に対して、前記静電気除去シート（２）を固着手段を介して取付けることにより、静電気除去シート（２）の外面（２０）が、履物底（３）の接地面（３０）より凹んだ段差（３４）を形成した静電気除去履物底において、履物底（３）の凹部縁（３５）にシート被覆片（３６）を形成し、該シート被覆片（３６）によって静電気除去シート（２）の外面端部（２１）を被覆した点を課題を解決するための手段とするものである。
【０００９】
【発明の効果】
本発明に係る履物底用静電気除去具によれば、上記したように、コロナ放電を除電手段とする静電気除去シートを、当該静電気除去シートの厚さよりも深い凹部における底面に対して取付けて、該静電気除去シートの外面が、基板の接地面より凹ませた構成に、基板の凹部縁にシート被覆片を形成して、静電気除去シートの外面端部を被覆したことから、歩行時に生じて履物底に溜まった静電気を、効率よく、当該履物底に近接した静電気除去シートのコロナ放電によって中和することができ、良好な除電効果を得ることができるだけでなく、特に、静電気除去シートの不用意な脱落を防止するとともに、当該静電気除去シートを汚れ等から保護することができるものである。
【００１０】
また、本発明に係る履物底用静電気除去具によれば、履物底の底面に対して当該静電気除去シートを取付けるだけで、簡単に静電気の除去を行うことができる。
【００１１】
更に、本発明に係る静電気除去履物底においても、上記底用静電気除去具と同様に、コロナ放電を除電手段とする静電気除去シートを、当該静電気除去シートの厚さよりも深い凹部における底面に対して取付けて、該静電気除去シートの外面が、基板の接地面より凹ませた構成に、履物底の凹部縁面にシート被覆片を形成し、該シート被覆片によって静電気除去シートの外面端部を被覆したことから、当該静電気除去シートの外面が接地することなく、歩行時に生ずる静電気を、コロナ放電によって、静電気を中和し、良好な除電効果を得ることができるだけでなく、特に、静電気除去シートの不用意な脱落を防止するとともに、当該静電気除去シートを汚れ等から保護することができるものである。
【００１２】
【発明の実施の形態及び実施例】
図１は本発明の実施例１に係る履物底用静電気除去具の斜視図、図２は図１のＡ−Ａ線拡大断面図、図３は本発明の実施例２に係る履物底用静電気除去具における図２のＡ−Ａ線と同様の断面図、図４は実施例２に係る履物底用静電気除去具を履物底へ取付けた状態を示す縦断面図、図５は実施例１に係る履物底用静電気除去具を履物の底部に取付けた状態を示す斜視図、図６は本発明の実施例３に係る静電気除去履物底を示す履物の斜視図、図７は同実施例３に係る静電気除去履物底のＢ−Ｂ線拡大端面図、図８及び図９は本発明の他の実施例に係る静電気除去履物底を示す底面図、図１０は既成履物の履物底に対して静電気除去シートを取付けた状態を示す底面図、図１１は、既成履物における履物底に対して静電気除去シートを取付けた状態を示す、履物底のＣ−Ｃ拡大断面図である。
【００１３】
本発明の実施例１に係る履物底用静電気除去具は、図１、図２及び図５に示すように、主として長軸１０５ｍｍ、短軸６５ｍｍ程度の楕円に近似した、厚さ４ｍｍ程度の板状のウレタンゴムからなる基板１と、厚さｔが１．５ｍｍ程度の極細導電性繊維からなる不織布状の静電気除去シート２とから構成されるものである。
【００１４】
ここで、基板１には、図１に示すように、その接地面には、静電気除去シート２を嵌め込むための深さｍが２．５ｍｍ程度の凹部１１を三箇所に形成するとともに、接地面１０の裏面となる内面１３全体には、厚さ０．３ｍｍ程度の両面粘着テープ５と剥離紙６を順次積層したものとしている。この両面粘着テープ５は、履物底７に対する履物底用静電気除去具の取付手段としてはたらくものである。
【００１５】
また、図５に示すように、剥離紙６を剥がした三枚の静電気除去シート２を、基板１における三箇所の凹部１１の夫々の底面１２に、厚さ０．３ｍｍ程度の両面粘着テープ４１によって貼着している。これによって、該静電気除去シート２の外面２０が、基板１の接地面１０より凹んだ段差４０が形成されることとなり、基板１の接地面１０が地面に当接した状態において、静電気除去シート２は接地せず、該静電気除去シート２の外面２０と、地面との間に、空間が形成されることとなる。
【００１６】
そして、この段差４０が形成されることによって、着用時に静電気除去シート２が接地しないことから、導電性繊維の露出面が歩行時に汚染されることを防止することができる。
【００１７】
使用時において、歩行等により、履物底に静電気が溜まると、履物底は、静電気除去シートと非常に距離的に近い位置関係にあることから、該静電気除去シート２の外面２０から履物底へ向けて、コロナ放電が生じ、電気的に中和することで、静電気を除去することができるものである。
【００１８】
尚、本実施例１における静電気除去シート２としては、例えば、アクリル繊維の表面に硫化銅の皮膜で被覆した有機導電性繊維（商標名：サンダーロン）からなる不織布を使用することができる。
【００１９】
本発明の実施例２に係る履物底用静電気除去具は、図３及び図４の拡大断面図に示すように、基本構成、即ち、履物底３の接地面３０に対する取付手段として両面粘着テープ５を内面１３に備えた基板１と、極細導電性繊維からなる不織布状の静電気除去シート２とから構成され、基板１における接地面１０に前記静電気除去シート２の厚さｔよりも深い寸法ｍとした凹部１１を形成するとともに、該凹部１１の底面１２に対して、前記静電気除去シート２を両面粘着テープ４１を介して取付けて、該静電気除去シート２の外面２０が、基板１の接地面１０より凹んだ段差４０を形成した点については、実施例１と共通するものであり、基板１の凹部縁１４にシート被覆片１５を形成し、該シート被覆片１５によって静電気除去シート２の外面端部２１を被覆した点において、前記実施例１に係る履物底用静電気除去具と相違するものである。
【００２０】
そして、本実施例２によれば、基板１の凹部縁１４にシート被覆片１５を形成し、該シート被覆片１５によって静電気除去シート２の外面端部２１を被覆したことによって、静電気除去シート２の不用意な脱落を防止するとともに、当該静電気除去シート２を歩行時の汚れ等から保護することができるとともに、実施例１に係る履物底用静電気除去具と比べて、当該履物底用静電気除去具の接地面積を増加させることができ、地面に対するグリップ力をより一層良好とすることができる。
【００２１】
尚、上記実施例１及び実施例２に係る履物底用静電気除去具４と履物底７の接地面７０との取付手段において、両面粘着テープ５等の簡素で強力な接着手段を用いた場合には、当該両面粘着テープ５のみを交換することで、装着者の好みに応じて簡単に位置を変更することができる。
【００２２】
また、本発明の実施例３に係る静電気除去履物底３は、図６及び図７に示すように、実施例１及び実施例２に係る履物底用静電気除去具４と同様の、アクリル繊維の表面に硫化銅の被膜で被覆した有機導電性繊維（商標名：サンダーロン）からなる不織布を静電気除去シート２として使用したものであり、当該静電気除去履物底３の接地面３０に、前記静電気除去シート２の１．５ｍｍの厚さより深い２．５ｍｍの深さ寸法の凹部３１を、三箇所形成し、該凹部３１内の底面３２に対して、前記静電気除去シート２を、両面粘着テープ３３によって取付けることにより、前記静電気除去シート２の外面２０が、履物底３の接地面３０より凹んだ段差３４を形成し、前記実施例２と同様の手法により、静電気除去履物底３の凹部縁３５にシート被覆片３６を形成し、該シート被覆片３６によって静電気除去シート２の外面端部２１を被覆した構成としたものである。
【００２３】
即ち、本実施例３における静電気除去履物底３においては、実施例１及び実施例２に係る履物底用静電気除去具４と同様の機能を具備させることにより、コロナ放電による静電気の中和、除電能を確保することができるとともに、予め履物底として形成することで、除電手段が脱落する虞がなく、更に、耐久性を得ることができるものである。
【００２４】
また、本発明の履物底用静電気除去具及び静電気除去履物底における凹部の配置は、実施例１乃至実施例３に示した三箇所に凹部を有するもののみに限定されるものではなく、図８、図９に示すように、例えば、多数の円形の凹部や複数の帯状の凹部等とすることもできる。
【００２５】
更に、本発明においては、図１０に示すように、既成の履物における履物底８の接地面８０に予め形成された溝８１に対して、該溝８１の深さよりも薄い、コロナ放電を除電手段とする静電気除去シート２を該溝８１に嵌合する大きさにカットして取付け、接地面よりも静電気除去シート２の外面２０が凹んだ状態とすることによって、履物底８の除電を行うこともできる。
【００２６】
以上のように、本発明においては、コロナ放電を除電手段とする静電気除去シートとして、アクリル繊維の表面に硫化銅の被膜で被覆した有機導電性繊維（商標名：サンダーロン）からなる不織布を使用したが、必ずしもこれに限られるものではなく、例えばポリエチレンテレフタレート綿、パルプ、カーボンを基材として導電性物質を混合した導電性繊維（商標名：ソルディオン）や炭素繊維等のように、コロナ放電による除電効果を得ることができる繊維であればよいとする趣旨である。
【００２７】
そして、これらいずれの繊維を使用した場合であっても、本発明の特徴とする構成、即ち、履物底７の接地面７０に対する取付手段を内面１３に備えた基板１と、コロナ放電を除電手段とする静電気除去シート２とから構成され、基板１における接地面１０に前記静電気除去シートの厚さよりも深い凹部１１を形成するとともに、該凹部１１の底面１２に対して、前記静電気除去シート２を固着手段を介して取付けることにより、静電気除去シート２の外面２０が、基板１の接地面１０よりも凹んだ段差を形成し、基板の凹部縁にシート被覆片を形成して、静電気除去シートの外面端部を被覆した構成、若しくは、コロナ放電を除電手段とする静電気除去シート２を、履物底３における接地面において、前記静電気除去シート２の厚さよりも深い凹部３１を形成し、該凹部３１の底面３２に対して、前記静電気除去シート２を固着手段を介して取付けることにより、前記静電気除去シート２の外面２０が、履物底３の接地面３０より凹んだ段差３４を形成し、履物底の凹部縁面にシート被覆片を形成し、該シート被覆片によって静電気除去シートの外面端部を被覆した構成によって、静電気除去シート２は接地しないことからその硬さの程度に関係なく、履き心地に悪影響を与えることもなく、また、当該静電気除去シートが汚染、磨耗することもなく、履物底の近傍に空間を形成して静電気除去シートが配置される構成により、コロナ放電を効率良く行うことができるだけでなく、特に、シート被覆片を形成して、静電気除去シートの外面端部を被覆したので、当該履物底用静電気除去具の接地面積を増加させることができ、地面に対するグリップ力をより一層良好とすることができ、更には、予め履物底として形成することで、除電手段が脱落する虞がなく、更に、耐久性を得ることができるという非常に優れた効果を生じるものである。
【図面の簡単な説明】
【図１】 本発明の実施例１に係る履物底用静電気除去具の斜視図である。
【図２】 本発明の実施例１に係る履物底用静電気除去具のＡ−Ａ線拡大断面図である。
【図３】 本発明の実施例２に係る履物底用静電気除去具における図２のＡ−Ａ線と同様の断面図である。
【図４】 本発明の実施例２に係る履物底用静電気除去具を履物底へ取付けた状態を示す縦断面図である。
【図５】 本発明の実施例１に係る履物底用静電気除去具を履物の底部に取付けた状態を示す斜視図である。
【図６】 本発明の実施例３に係る静電気除去履物底を示す履物の斜視図である。
【図７】 本発明の実施例３に係る静電気除去履物底を示すＢ−Ｂ線拡大端面図である。
【図８】 本発明の他の実施例に係る静電気除去履物底を示す底面図である。
【図９】 本発明の他の実施例に係る静電気除去履物底を示す底面図である。
【図１０】 既成履物の履物底に対して静電気除去シートを取付けた状態を示す底面図である。
【図１１】 既成履物における履物底に対して静電気除去シートを取付けた状態を示す、履物底のＣ−Ｃ拡大断面図である。
【符号の説明】
１ 基板
１０ 接地面
１１ 凹部
１２ 底面
１３ 内面
１４ 凹部縁
１５ シート被覆片
２ 静電気除去シート
２０ 外面
２１ 外面端部
３ 履物底
３０ 接地面
３１ 凹部
３２ 底面
３３ 両面粘着テープ
３４ 段差
３５ 凹部縁
３６ シート被覆片
４ 静電気除去具
４０ 段差
４１ 両面粘着テープ
５ 両面粘着テープ
６ 剥離紙
７ 履物底
７０ 接地面
８ 履物底
８０ 接地面
８１ 溝[0001]
[Technical field to which the invention belongs]
The present invention is provided with an antistatic device for footwear that removes static electricity generated between the footwear and the ground during walking by using corona discharge by a conductive fiber provided on the bottom of the footwear, and the antistatic function. Regarding footwear soles.
[0002]
[Prior art]
Conventionally, a material having a weaving degree of 0.5 to 1.5 denier and a length of 0.01 to 0.15 mm of stainless steel is used as a material for rubber, fiber, or the like that forms a portion in contact with the ground at the bottom of the footwear body. Antistatic footwear containing 3 to 5% by weight and antistatic footwear (hereinafter referred to as Prior Art 1) using chip-like or foil-like stainless steel in place of the stainless steel fiber are known (for example, prior art 1). , See Patent Document 1).
[0003]
[Patent Document 1]
JP-A-2002-101904 (page 2-3)
[0004]
[Problems to be solved by the invention]
Since the bottom of the footwear is a site that rubs violently with the ground, it is a major cause of static electricity during walking. As a result, static electricity accumulates on the footwear bottom, and the entire human body is charged by electrostatic movement. From this point of view, it is highly desirable to be able to remove static electricity on the bottom of the footwear so that the human body is not charged.
[0005]
However, as described above, the invention according to Prior Art 1 attempts to attenuate static electricity by reducing neutralization at the tip of the conductive fiber regardless of the material of the floor surface of the stainless steel fiber at the ground contact portion in the footwear bottom. However, since it is always blended with synthetic rubber and used as a grounded state, the exposed surface of the conductive fibers may be contaminated due to contact with the ground, which may inhibit discharge. there were.
[0006]
In addition, when stainless steel fiber is blended with synthetic rubber, etc., it is very likely to be inferior to the inherent durability, elasticity, etc. of the synthetic rubber, and the quality is improved in terms of comfort and ease of walking. It caused a drop in
[0007]
The present invention has been made in view of the above circumstances, does not affect the characteristics of the footwear material such as durability and elasticity, and has a function of eliminating static electricity due to contamination of the exposed surface of the conductive fibers. Providing a static eliminator and a static eliminator footwear that does not cause a drop is a means to be solved.
[0008]
[Means for Solving the Problems]
The static eliminator for footwear according to the present invention includes a substrate (1) having an inner surface (13) with means for attaching to the ground surface (70) of the footwear bottom (7), and a static eliminator sheet using corona discharge as a means for removing electricity. (2) and a recess (11) deeper than the thickness of the static electricity removal sheet (2) is formed on the ground surface (10) of the substrate (1), and the bottom surface (12) of the recess (11). On the other hand, by attaching the static electricity removing sheet (2) through fixing means, the outer surface (20) of the static electricity removing sheet (2) has a step that is recessed from the ground surface (10) of the substrate (1). In the formed shoe bottom static eliminator, the sheet covering piece (15) is formed on the concave edge (14) of the substrate (1), and the outer edge of the static eliminating sheet (2) ( 21) and the point of this application The static electricity removal footwear bottom according to the present invention forms a recess (31) deeper than the thickness of the static electricity removal sheet (2) using corona discharge as a charge removal means on the ground surface (30) of the footwear bottom (3). 31) The static electricity removing sheet (2) is attached to the bottom surface (32) of the footwear bottom (32) by fixing means so that the outer surface (20) of the static electricity removing sheet (2) is attached to the ground surface ( 30) A sheet covering piece (36) is formed on a recess edge (35) of the footwear bottom (3) in the bottom of the static electricity removing footwear having a step (34) that is more recessed, and the sheet covering piece (36) removes static electricity. The point which coat | covered the outer surface edge part (21) of the sheet | seat (2) is made into the means for solving a subject.
[0009]
【The invention's effect】
According to the static eliminator for footwear according to the present invention, as described above, the static eliminator sheet using the corona discharge as the static eliminator is attached to the bottom surface of the recess deeper than the thickness of the static eliminator sheet, Since the outer surface of the static electricity removal sheet is recessed from the grounding surface of the board, a sheet covering piece is formed on the concave edge of the board to cover the outer edge of the static electricity removal sheet. The static electricity accumulated in the can be efficiently neutralized by corona discharge of the static elimination sheet close to the footwear footing, and not only can a good static elimination effect be obtained, While preventing the dropping off, the static electricity removing sheet can be protected from dirt and the like.
[0010]
Moreover, according to the static electricity removal tool for footwear soles according to the present invention, static electricity can be easily removed simply by attaching the static electricity removal sheet to the bottom surface of the footwear bottom.
[0011]
Further, in the bottom of the static electricity removal footwear according to the present invention, as in the above-mentioned static electricity removal tool for the bottom, the static electricity removal sheet using the corona discharge as a static elimination means is disposed on the bottom surface of the recess deeper than the thickness of the static electricity removal sheet. A sheet covering piece is formed on the concave edge surface of the footwear bottom so that the outer surface of the antistatic sheet is recessed from the grounding surface of the substrate, and the outer edge of the antistatic sheet is covered with the sheet covering piece. Therefore, the static electricity generated during walking can be neutralized by corona discharge without the outer surface of the static electricity removing sheet being grounded, and a good static elimination effect can be obtained. In addition to preventing inadvertent dropout, the static electricity removal sheet can be protected from dirt and the like.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
1 is a perspective view of a static eliminating device for footwear according to Embodiment 1 of the present invention, FIG. 2 is an enlarged sectional view taken along line AA of FIG. 1, and FIG. 3 is static electricity for footwear according to Embodiment 2 of the present invention. 2 is a cross-sectional view similar to the AA line of FIG. 2 of the removing tool, FIG. 4 is a longitudinal sectional view showing a state where the static eliminating tool for footwear according to the second embodiment is attached to the footwear bottom, and FIG. FIG. 6 is a perspective view of a footwear showing an anti-static footwear according to Embodiment 3 of the present invention, and FIG. FIG. 8 and FIG. 9 are bottom views showing an antistatic footwear bottom according to another embodiment of the present invention, and FIG. 10 is a diagram showing static electricity with respect to the footwear bottom of an existing footwear. FIG. 11 is a bottom view showing a state in which the removal sheet is attached, and FIG. Indicating the state is C-C in enlarged cross-sectional view of a shoe sole.
[0013]
As shown in FIGS. 1, 2 and 5, the static eliminating tool for footwear according to Example 1 of the present invention is a plate having a thickness of about 4 mm, which approximates an ellipse having a major axis of 105 mm and a minor axis of 65 mm. The substrate 1 made of a urethane rubber and the nonwoven fabric-like static electricity removing sheet 2 made of ultrafine conductive fibers having a thickness t of about 1.5 mm.
[0014]
Here, as shown in FIG. 1, the substrate 1 is provided with three concave portions 11 having a depth m of about 2.5 mm for fitting the static electricity removing sheet 2 on the ground surface, and in contact with the ground surface. A double-sided adhesive tape 5 having a thickness of about 0.3 mm and a release paper 6 are sequentially laminated on the entire inner surface 13 serving as the back surface of the ground 10. This double-sided pressure-sensitive adhesive tape 5 serves as a means for attaching the footwear bottom static eliminating tool to the footwear bottom 7.
[0015]
Further, as shown in FIG. 5, the three static electricity removing sheets 2 from which the release paper 6 has been peeled are applied to the bottom surfaces 12 of the three concave portions 11 on the substrate 1, and a double-sided adhesive tape 41 having a thickness of about 0.3 mm. Is stuck. As a result, a step 40 in which the outer surface 20 of the static electricity removing sheet 2 is recessed from the ground surface 10 of the substrate 1 is formed, and the static electricity removing sheet 2 is in a state where the ground surface 10 of the substrate 1 is in contact with the ground. Is not grounded, and a space is formed between the outer surface 20 of the static electricity removing sheet 2 and the ground.
[0016]
And since this level | step difference 40 is formed, since the static elimination sheet 2 does not earth | ground at the time of wear, it can prevent that the exposed surface of an electroconductive fiber is contaminated at the time of a walk.
[0017]
When static electricity accumulates on the footwear bottom due to walking or the like during use, the footwear bottom is in a positional relationship that is very close to the static electricity removal sheet, so that the outer surface 20 of the static electricity removal sheet 2 is directed toward the footwear bottom. Thus, corona discharge is generated, and static electricity can be removed by neutralizing electrically.
[0018]
In addition, as the static electricity removal sheet 2 in the present Example 1, the nonwoven fabric which consists of an organic electroconductive fiber (trade name: Sanderlon) which coat | covered the surface of the acrylic fiber with the copper sulfide film can be used, for example.
[0019]
As shown in the enlarged sectional views of FIGS. 3 and 4, the static eliminating tool for footwear sole according to Embodiment 2 of the present invention has a basic configuration, that is, double-sided adhesive tape 5 as an attachment means for the grounding surface 30 of footwear bottom 3. Is formed on the inner surface 13 of the substrate 1 and a nonwoven fabric-like static electricity removing sheet 2 made of ultrafine conductive fibers. The ground surface 10 of the substrate 1 has a dimension m deeper than the thickness t of the static electricity removing sheet 2; The electrostatic discharge sheet 2 is attached to the bottom surface 12 of the recess 11 via a double-sided adhesive tape 41, and the outer surface 20 of the electrostatic discharge sheet 2 is connected to the ground surface 10 of the substrate 1. The point that the step 40 that is more concave is formed is the same as that of the first embodiment. A sheet covering piece 15 is formed on the recessed edge 14 of the substrate 1, and the sheet covering piece 15 is used to In that coating the end 21, and differs from the outsole ESD remover according to the first embodiment.
[0020]
According to the second embodiment, the sheet covering piece 15 is formed on the concave edge 14 of the substrate 1, and the outer surface end 21 of the static eliminating sheet 2 is covered with the sheet covering piece 15. In addition to preventing inadvertent falling off, it is possible to protect the static electricity removal sheet 2 from dirt and the like during walking, and to remove the static electricity for the footwear bottom as compared with the static electricity removal tool for the footwear foot according to the first embodiment. The ground contact area of the tool can be increased, and the grip force against the ground can be further improved.
[0021]
In addition, when the simple and strong adhesive means such as the double-sided pressure-sensitive adhesive tape 5 is used as the attachment means between the footwear static electricity removing tool 4 and the grounding surface 70 of the footwear bottom 7 according to the first and second embodiments. The position can be easily changed according to the wearer's preference by exchanging only the double-sided adhesive tape 5.
[0022]
Moreover, as shown in FIG.6 and FIG.7, the static electricity removal footwear 3 which concerns on Example 3 of this invention is the same as the footwear static electricity removal tool 4 which concerns on Example 1 and Example 2, and the acrylic fiber of the same. A non-woven fabric made of an organic conductive fiber (trade name: Thunderon) coated with a copper sulfide coating on the surface is used as the static electricity removing sheet 2, and the static electricity removal is applied to the grounding surface 30 of the static electricity removing footwear bottom 3. Three recesses 31 having a depth of 2.5 mm deeper than the thickness of 1.5 mm of the sheet 2 are formed, and the static electricity removing sheet 2 is attached to the bottom surface 32 in the recess 31 by a double-sided adhesive tape 33. By attaching, the outer surface 20 of the static electricity removing sheet 2 forms a step 34 that is recessed from the ground contact surface 30 of the footwear bottom 3, and is formed on the recessed edge 35 of the static electricity removing footwear bottom 3 in the same manner as in the second embodiment. Sheet Forming a cover leaf 36, it is obtained by a structure coated with an outer surface end portion 21 of the static eliminator sheet 2 by the sheet cover strip 36.
[0023]
That is, the static elimination footwear bottom 3 according to the third embodiment is provided with the same function as the footwear bottom static elimination device 4 according to the first and second embodiments, thereby neutralizing and eliminating static electricity by corona discharge. In addition to being able to ensure performance, it is possible to obtain durability by eliminating the possibility that the static elimination means will fall off by forming it as the footwear bottom in advance.
[0024]
Further, the disposition of the static electricity removing tool for footwear and the static electricity removing footwear of the present invention is not limited to the one having the concave portions at the three positions shown in the first to third embodiments. As shown in FIG. 9, for example, a large number of circular recesses, a plurality of band-like recesses, and the like can be used.
[0025]
Further, in the present invention, as shown in FIG. 10, the corona discharge, which is thinner than the depth of the groove 81 with respect to the groove 81 previously formed on the ground contact surface 80 of the footwear bottom 8 in the existing footwear, is eliminated. The static electricity removing sheet 2 is cut into a size that fits into the groove 81 and attached, and the outer surface 20 of the static electricity removing sheet 2 is recessed from the ground surface, thereby eliminating the static on the footwear bottom 8. You can also.
[0026]
As described above, in the present invention, a non-woven fabric made of an organic conductive fiber (trade name: Thunderlon) coated with a copper sulfide film on the surface of an acrylic fiber is used as a static eliminator sheet using corona discharge as a neutralizing means. However, the present invention is not necessarily limited to this. For example, corona discharge such as conductive fiber (trade name: Soldion) or carbon fiber mixed with a conductive substance based on polyethylene terephthalate cotton, pulp, and carbon. The purpose is that any fiber can be used as long as it can obtain the charge eliminating effect.
[0027]
Even if any one of these fibers is used, the structure that characterizes the present invention, that is, the substrate 1 provided with attachment means for the grounding surface 70 of the footwear bottom 7 on the inner surface 13, and means for eliminating corona discharge. And forming a concave portion 11 deeper than the thickness of the static eliminating sheet on the ground surface 10 of the substrate 1, and the static eliminating sheet 2 to the bottom surface 12 of the concave portion 11. By attaching through the fixing means, the outer surface 20 of the static electricity removing sheet 2 forms a step that is recessed from the grounding surface 10 of the substrate 1, and a sheet covering piece is formed on the recessed edge of the substrate, The structure which covered the outer surface end, or the static electricity removal sheet 2 which uses corona discharge as the static elimination means, is larger than the thickness of the static electricity removal sheet 2 on the ground surface of the footwear bottom 3. Forming the concave portion 31 and attaching the static electricity removing sheet 2 to the bottom surface 32 of the concave portion 31 through fixing means, so that the outer surface 20 of the static electricity removing sheet 2 is more than the grounding surface 30 of the footwear bottom 3. By forming a recessed step 34, forming a sheet covering piece on the recess edge of the footwear bottom, and covering the outer surface end of the antistatic sheet with the sheet covering piece, the antistatic sheet 2 is not grounded. Regardless of the degree of hardness, there is no adverse effect on the comfort, and the static electricity removing sheet is not contaminated or worn, and the static electricity removing sheet is arranged in a space near the bottom of the footwear. According to the configuration, not only can corona discharge be efficiently performed, but in particular, the sheet covering piece is formed and the outer surface end portion of the antistatic sheet is covered. The ground contact area of the removal tool can be increased, the gripping force against the ground can be further improved, and further, by forming it in advance as a footwear bottom, there is no risk of the static elimination means falling off, and further durability This produces a very excellent effect that the property can be obtained.
[Brief description of the drawings]
FIG. 1 is a perspective view of an electrostatic removal tool for footwear according to Embodiment 1 of the present invention.
FIG. 2 is an enlarged cross-sectional view taken along line AA of the static eliminating tool for footwear according to the first embodiment of the present invention.
FIG. 3 is a cross-sectional view similar to the line AA of FIG. 2 in a footwear static eliminating tool according to Embodiment 2 of the present invention.
FIG. 4 is a longitudinal sectional view showing a state in which a footwear static eliminating tool according to Embodiment 2 of the present invention is attached to a footwear bottom.
FIG. 5 is a perspective view illustrating a state in which the footwear static eliminating device according to the first embodiment of the present invention is attached to the bottom of the footwear.
FIG. 6 is a perspective view of footwear showing a static electricity removing footwear bottom according to Embodiment 3 of the present invention.
FIG. 7 is an enlarged end view taken along line B-B showing a static electricity removing footwear bottom according to Example 3 of the present invention.
FIG. 8 is a bottom view showing a bottom for removing static electricity according to another embodiment of the present invention.
FIG. 9 is a bottom view showing a bottom for removing static electricity according to another embodiment of the present invention.
FIG. 10 is a bottom view showing a state in which an antistatic sheet is attached to the footwear bottom of the existing footwear.
FIG. 11 is an enlarged cross-sectional view of the foot sole taken along the line C-C, showing a state in which an antistatic sheet is attached to the foot foot of the existing footwear.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Board | substrate 10 Grounding surface 11 Recessed part 12 Bottom surface 13 Inner surface 14 Recessed edge 15 Sheet covering piece 2 Static electricity removal sheet 20 Outer surface 21 Outer surface edge 3 Footwear bottom 30 Grounding surface 31 Recessed surface 32 Bottom surface 33 Double-sided adhesive tape 34 Step 35 Recessed edge 36 Sheet covering Piece 4 Static eliminator 40 Step 41 Double-sided adhesive tape 5 Double-sided adhesive tape 6 Release paper 7 Footwear bottom 70 Grounding surface 8 Footwear bottom 80 Grounding surface 81 Groove

Claims (2)

履物底（７）の接地面（７０）に対する取付手段を内面（１３）に備えた基板（１）と、コロナ放電を除電手段とする静電気除去シート（２）とから構成され、It comprises a substrate (1) provided with attachment means on the inner surface (13) with respect to the ground contact surface (70) of the footwear bottom (7), and a static electricity removal sheet (2) using corona discharge as charge removal means,
基板（１）における接地面（１０）に前記静電気除去シート（２）の厚さよりも深い凹部（１１）を形成するとともに、Forming a recess (11) deeper than the thickness of the static electricity removing sheet (2) on the ground plane (10) of the substrate (1);
該凹部（１１）の底面（１２）に対して、前記静電気除去シート（２）を固着手段を介して取付けることにより、By attaching the static electricity removing sheet (2) to the bottom surface (12) of the recess (11) via a fixing means,
静電気除去シート（２）の外面（２０）が、基板（１）の接地面（１０）よりも凹んだ段差を形成した履物底用静電気除去具において、In the static eliminator for footwear in which the outer surface (20) of the static electricity removing sheet (2) forms a step that is recessed from the ground surface (10) of the substrate (1),
基板（１）の凹部縁（１４）にシート被覆片（１５）を形成し、該シート被覆片（１５）によって静電気除去シート（２）の外面端部（２１）を被覆したことを特徴とする履物底用静電気除去具。A sheet covering piece (15) is formed on the recess edge (14) of the substrate (1), and the outer surface end (21) of the static electricity removing sheet (2) is covered with the sheet covering piece (15). Static eliminator for footwear bottom. 履物底（３）における接地面（３０）に、コロナ放電を除電手段とする静電気除去シート（２）の厚さよりも深い凹部（３１）を形成し、On the ground contact surface (30) of the footwear bottom (3), a recess (31) deeper than the thickness of the static electricity removing sheet (2) using corona discharge as a charge removing means is formed,
該凹部（３１）の底面（３２）に対して、前記静電気除去シート（２）を固着手段を介して取付けることにより、By attaching the static electricity removing sheet (2) to the bottom surface (32) of the recess (31) via fixing means,
静電気除去シート（２）の外面（２０）が、履物底（３）の接地面（３０）より凹んだ段差（３４）を形成した静電気除去履物底において、In the static electricity removal footwear bottom where the outer surface (20) of the static electricity removal sheet (2) forms a step (34) recessed from the ground contact surface (30) of the footwear bottom (3),
履物底（３）の凹部縁（３５）にシート被覆片（３６）を形成し、該シート被覆片（３６）によって静電気除去シート（２）の外面端部（２１）を被覆したことを特徴とする静電気除去履物底。A sheet covering piece (36) is formed on the concave edge (35) of the footwear bottom (3), and the outer surface end (21) of the static electricity removing sheet (2) is covered with the sheet covering piece (36). Static electricity removal footwear bottom.
JP2002331544A 2002-11-15 2002-11-15 Footwear bottom static eliminator and antistatic footwear bottom Expired - Lifetime JP3915095B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2002331544A JP3915095B2 (en) 2002-11-15 2002-11-15 Footwear bottom static eliminator and antistatic footwear bottom
US10/704,135 US20040128864A1 (en) 2002-11-15 2003-11-10 Static electricity removing tool for footwear bottom, static electricity removing footwear bottom and electricity removing method of footwear bottom
TW092131424A TW200412869A (en) 2002-11-15 2003-11-10 Static electricity removing tool for footwear bottom, static electricity removing footwear bottom and electricity removing method of footwear bottom
CNA2003101161159A CN1505996A (en) 2002-11-15 2003-11-14 Electrostatic removing tool for sole, static eliminated sole and eliminating method
KR1020030080482A KR20040042891A (en) 2002-11-15 2003-11-14 Static electricity removing tool for footwear bottom, static electricity removing footwear bottom and electricity removing method of footwear bottom
DE60307201T DE60307201D1 (en) 2002-11-15 2003-11-17 Electrostatic discharge device for shoe sole, electrostatic discharge shoe sole and electrostatic discharge process for shoe sole
EP03257221A EP1419708B1 (en) 2002-11-15 2003-11-17 Static electricity removing apparatus for footwear bottom, static electricity removing footwear bottom and electricity removing method of footwear bottom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002331544A JP3915095B2 (en) 2002-11-15 2002-11-15 Footwear bottom static eliminator and antistatic footwear bottom

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Publication number Priority date Publication date Assignee Title
JP4563390B2 (en) * 2004-07-28 2010-10-13 モリト株式会社 Footwear with static electricity removal function
US7373739B2 (en) * 2005-12-21 2008-05-20 Brown Shoe Company, Inc. Shoe sole having fabric and method for adhering fabric to shoe sole
WO2009091236A1 (en) * 2008-01-18 2009-07-23 Kek Hing Kow An electrostatic discharge shoe cover
WO2013029222A1 (en) * 2011-08-26 2013-03-07 Esd Technology Consulting & Licensing Co., Ltd Method and structure for reducing body static voltage
RU2535082C2 (en) * 2013-03-21 2014-12-10 ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ УЧРЕЖДЕНИЕ ВСЕРОССИЙСКИЙ НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ И ИСПЫТАТЕЛЬНЫЙ ИНСТИТУТ МЕДИЦИНСКОЙ ТЕХНИКИ ФЕДЕРАЛЬНОЙ СЛУЖБЫ ПО НАДЗОРУ В СФЕРЕ ЗДРАВООХРАНЕНИЯ (ФГБУ "ВНИИИМТ" Росздравнадзора) Mokhsogol therapeutic-diagnostic static eliminator for humans and animals
USD780415S1 (en) * 2016-01-11 2017-03-07 Nike, Inc. Shoe outsole
US10897955B2 (en) * 2016-08-30 2021-01-26 Ansell Limited Conductive soles for protective suits
CN114060778A (en) * 2021-12-03 2022-02-18 昆山市美田精密工业有限公司 Anti-static LED heat dissipation substrate

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US3993932A (en) * 1976-01-16 1976-11-23 Weigl John W Antistatic footwear
DE2610170A1 (en) * 1976-03-11 1977-09-22 Walter Huth SHOE, IN PARTICULAR SAFETY AND WORK SHOES, WITH ANTISTATIC SOLE
EP1186403A1 (en) * 2000-09-07 2002-03-13 Suolificio Romagnolo SNC Method for obtaining thermoplastic material shoes which discharge static electricity permanently
EP1203539A1 (en) * 2000-11-03 2002-05-08 Novel Worldwide Trading Co., Ltd. An antistatic shoe sole

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DE60307201D1 (en) 2006-09-14
KR20040042891A (en) 2004-05-20
EP1419708B1 (en) 2006-08-02
CN1505996A (en) 2004-06-23
EP1419708A1 (en) 2004-05-19
US20040128864A1 (en) 2004-07-08
TW200412869A (en) 2004-08-01
JP2004160043A (en) 2004-06-10

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