EP1080650B1 - Antistatischer Schuh - Google Patents

Antistatischer Schuh Download PDF

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Publication number
EP1080650B1
EP1080650B1 EP00114991A EP00114991A EP1080650B1 EP 1080650 B1 EP1080650 B1 EP 1080650B1 EP 00114991 A EP00114991 A EP 00114991A EP 00114991 A EP00114991 A EP 00114991A EP 1080650 B1 EP1080650 B1 EP 1080650B1
Authority
EP
European Patent Office
Prior art keywords
sole
insert
heel
channel
seats
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
Application number
EP00114991A
Other languages
English (en)
French (fr)
Other versions
EP1080650A1 (de
Inventor
Francesco Baldin
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.)
Calzaturificio Frau SpA
Thermoshoe SNC Di Baldin & C
Original Assignee
Calzaturificio Frau SpA
Thermoshoe SNC Di Baldin & C
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 Calzaturificio Frau SpA, Thermoshoe SNC Di Baldin & C filed Critical Calzaturificio Frau SpA
Publication of EP1080650A1 publication Critical patent/EP1080650A1/de
Application granted granted Critical
Publication of EP1080650B1 publication Critical patent/EP1080650B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the present invention relates to an antistatic shoe.
  • Antistatic shoes are currently commercially available which can discharge to the ground the electrostatic charge accumulated by a person on his body.
  • the passenger can be affected by an electric shock which is unpleasant although substantially harmless.
  • This discharge occurs only if the person is insulated from the ground, for example by wearing a pair of shoes with a sole made of rubber or other insulating material.
  • a conventional antistatic shoe is in fact constituted by a small coil of conducting metal wires, for example made of copper, which are usually located proximate to the heel, above the rubber sole.
  • the wires by passing through the corresponding holes, reach the lower surface of the sole, where they are upset.
  • the coil is further electrically connected to a metal tab which passes through a slot formed in the insole or inner sole inside the upper and ends in an upward region with a first metallic plate which is arranged horizontally.
  • two slots are provided in which two flexible conducting wings are made to slide; the wings are folded downward and are connected to an overlying second metallic plate.
  • the accumulated electric charge can discharge to the ground, by flowing through the body of the user down to the heel and then through the second metal plate and the corresponding wings connected to the first metal plate.
  • GB-A-558 340 discloses an antistatic shoe having an insole and an out-sole both provided with a hole or opening at the heel and ball portions.
  • the insole openings are filled with plugs of electro-conductive rubber including downwardly extending portions or with separate discs of electro-conductive rubber.
  • the out-sole holes are filled with electro-conductive rubber in order to protrude to the ground.
  • the whole shoe heel 32 is formed of electro-conductive rubber.
  • FR-A-2255026 discloses an antistatic shoe comprising an insole with conducting elements positioned on either sides and electrically connected by sewing using a metallic thread, an outer sole through which extend conducting plugs that are part of a conducting layer intermediate the insole and the outsole.
  • FR-A-2754982 discloses a method of making antistatic soles for shoes, comprising an upper layer of conductive material provided with pads which traverse a lower layer.
  • the aim of the present invention is to solve the above-described drawbacks, by providing a device which allows to obtain a simplified shoe manufacturing process which leads not only to an economic advantage but also to an improvement in the quality of the product.
  • an object of the present invention is to provide a shoe which allows to solve the problem of grounding in the safest and most durable manner for the user.
  • Another object is to provide a shoe whose sole offers maximum uniformity of its components, without having metallic elements such as nails, pins or coils which can cause discomfort, especially over time and as the sole deteriorates.
  • the reference numeral 1 designates an upper of a conventional type in which the foot of the user is inserted.
  • the reference numeral 2 designates a sole in which at least two through seats 3 and 4 are formed respectively at the tip and at the heel; the seats are connected one another by means of a channel 5 and are adapted to accommodate a complementarily shaped insert 6 made of conducting plastic material.
  • the insert 6, which is longitudinally elongated, has a central body 7 which is arranged in the channel 5; two protrusions, designated by the reference numerals 8 and 9, are provided at the ends of the body 7, are preferably cylindrical or prism-shaped, are shaped complementarily to the seats 3 and 4, respectively, and are therefore located at the toe or heel region of the sole or at both regions.
  • the insert 6 is kept in place by the mutual thermal bonding of parts of the respective elements made of plastics.
  • an antistatic shoe having been provided which is adapted to discharge to the ground, through the user, the electrostatic charge accumulated for example by a car during travel.
  • the insert 6 is made of plastics, walking is optimum, as the insert follows the deformation of the sole.
  • a complementarily shaped insert 106 made of conducting plastic material is arranged in the channel 105 and has, in the end adjacent to the heel region, one or more protrusions, designated by the reference numeral 120, which are directed toward the inner sole 112.
  • the protrusions are connected to the upper by means of appropriate complementarily shaped holes, designated by the reference numeral 121, so as to maintain contact with a metal plate 110 which is accommodated in a complementarily shaped seat, designated by the reference numeral 111, which is formed in the inner sole 112 of the upper 101.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Claims (5)

  1. Ein antistatischer Schuh, der eine Sohle (2) und eine Einlegesohle oder Innensohle (12) umfasst, der Folgendes umfasst:
    durchgehende Sitze (3, 4), die an der Spitze bzw. am Absatz der Sohle (2) geformt sind, wobei die Sitze (3, 4) miteinander durch einen Kanal (5) verbunden sind und ausgebildet sind, um einen komplementär geformten Einsatz (6) aufzunehmen, der aus leitendem Kunststoffmaterial ausgebildet ist, wobei der Einsatz mit der Erde verbunden ist und einen zentralen Körper (7) umfasst, der im Kanal (5) angebracht ist, und Vorsprünge (8, 9), die am Ende des zentralen Körpers (7) bereitgestellt werden und komplementär zu den Sitzen (3, 4) geformt sind;
       dadurch gekennzeichnet, dass:
    eine Metallplatte (10) in einer Öffnung (11) in einem Bereich des Absatzes der Einlegesohle oder Innensohle (12) angebracht ist, wobei eine untere Fläche der Metallplatte (10) auf einem der darunter liegenden Vorsprünge des Einsatzes (6) ruht.
  2. Der Schuh gemäß Anspruch 1, dadurch gekennzeichnet, dass der Einsatz (6), der mit dem Kanal (5) und den Sitzen (3, 4) verbunden ist, durch gegenseitige Wärmebindung von Teilen der jeweiligen Kunststoffelemente an Ort und Stelle gehalten wird.
  3. Der Schuh nach einem oder mehreren der obigen Ansprüche, dadurch gekennzeichnet, dass er eine Sohle hat, an deren unterer Fläche mindestens ein Kanal bereitgestellt wird, der sowohl den Bereich der Spitze als auch den Absatzbereich beeinflusst.
  4. Der Schuh nach Anspruch 3, dadurch gekennzeichnet, dass ein komplementär geformter Einsatz, der aus leitendem Kunststoff ausgebildet ist, im Kanal angebracht ist und an seinem Ende, das den Absatzbereich beeinflusst, einen oder mehrere nach oben gerichtete Vorsprünge hat.
  5. Der Schuh nach Anspruch 4, dadurch gekennzeichnet, dass der eine oder die mehreren nach oben gerichteten Vorsprünge durch passend geformte Löcher mit der Metallplatte verbunden sind, die in einem komplementär geformten Sitz angebracht ist, der in der Einlegesohle oder Innensohle geformt ist.
EP00114991A 1999-09-06 2000-07-21 Antistatischer Schuh Expired - Lifetime EP1080650B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTV990096 1999-09-06
IT1999TV000096A IT1311652B1 (it) 1999-09-06 1999-09-06 Calzatura antistatica.

Publications (2)

Publication Number Publication Date
EP1080650A1 EP1080650A1 (de) 2001-03-07
EP1080650B1 true EP1080650B1 (de) 2004-11-10

Family

ID=11420674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00114991A Expired - Lifetime EP1080650B1 (de) 1999-09-06 2000-07-21 Antistatischer Schuh

Country Status (4)

Country Link
EP (1) EP1080650B1 (de)
AT (1) ATE281771T1 (de)
DE (1) DE60015674D1 (de)
IT (1) IT1311652B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017020102A1 (pt) * 2015-08-04 2017-02-09 Jean-Marc Wilvers Sapato anti-estático contra câimbras

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2238188B1 (es) * 2004-02-12 2006-11-01 Jose Manuel Asensio Benedi Calzado con dispositivo para descarga de electricidad estatica.
CN105595508A (zh) * 2015-11-30 2016-05-25 钟志强 一种静电防护鞋

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB558340A (en) * 1942-01-26 1943-12-31 Us Rubber Co Improvements in shoes
FR2255026B1 (de) * 1973-12-19 1976-10-22 Werner Fritz
FR2754982B1 (fr) * 1996-10-31 1998-12-18 Rodoz Sa Procede et appareillage pour la realisation de semelles antistatiques pour chaussures

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017020102A1 (pt) * 2015-08-04 2017-02-09 Jean-Marc Wilvers Sapato anti-estático contra câimbras

Also Published As

Publication number Publication date
DE60015674D1 (de) 2004-12-16
EP1080650A1 (de) 2001-03-07
ITTV990096A1 (it) 2001-03-06
ATE281771T1 (de) 2004-11-15
IT1311652B1 (it) 2002-03-14

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