EP1080650A1 - Chaussure antistatique - Google Patents

Chaussure antistatique Download PDF

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Publication number
EP1080650A1
EP1080650A1 EP00114991A EP00114991A EP1080650A1 EP 1080650 A1 EP1080650 A1 EP 1080650A1 EP 00114991 A EP00114991 A EP 00114991A EP 00114991 A EP00114991 A EP 00114991A EP 1080650 A1 EP1080650 A1 EP 1080650A1
Authority
EP
European Patent Office
Prior art keywords
sole
insert
shoe
heel
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.)
Granted
Application number
EP00114991A
Other languages
German (de)
English (en)
Other versions
EP1080650B1 (fr
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/fr
Application granted granted Critical
Publication of EP1080650B1 publication Critical patent/EP1080650B1/fr
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.
  • 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.
  • an antistatic shoe characterized in that it comprises a sole at which there are provided, in the heel and tip region, connected seats for at least one insert made of conducting plastics which is connected to the ground and, by means of a conducting plate, to the insole.
  • 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)
EP00114991A 1999-09-06 2000-07-21 Chaussure antistatique Expired - Lifetime EP1080650B1 (fr)

Applications Claiming Priority (2)

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

Publications (2)

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

Family

ID=11420674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00114991A Expired - Lifetime EP1080650B1 (fr) 1999-09-06 2000-07-21 Chaussure antistatique

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2238188A1 (es) * 2004-02-12 2005-08-16 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017020102A1 (fr) * 2015-08-04 2017-02-09 Jean-Marc Wilvers Chaussure antistatique contre les crampes

Citations (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
FR2255026A1 (fr) * 1973-12-19 1975-07-18 Werner Fritz
FR2754982A1 (fr) * 1996-10-31 1998-04-30 Rodoz Sa Procede et appareillage pour la realisation de semelles antistatiques pour chaussures

Patent Citations (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
FR2255026A1 (fr) * 1973-12-19 1975-07-18 Werner Fritz
FR2754982A1 (fr) * 1996-10-31 1998-04-30 Rodoz Sa Procede et appareillage pour la realisation de semelles antistatiques pour chaussures

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2238188A1 (es) * 2004-02-12 2005-08-16 Jose Manuel Asensio Benedi Calzado con dispositivo para descarga de electricidad estatica.
WO2005077217A1 (fr) * 2004-02-12 2005-08-25 ANTORANZ HERNÁNDEZ, Gregorio Chaussure a dispositif de decharge d'electricite statique
CN105595508A (zh) * 2015-11-30 2016-05-25 钟志强 一种静电防护鞋

Also Published As

Publication number Publication date
ATE281771T1 (de) 2004-11-15
ITTV990096A1 (it) 2001-03-06
DE60015674D1 (de) 2004-12-16
IT1311652B1 (it) 2002-03-14
EP1080650B1 (fr) 2004-11-10

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