US3383559A - Antistatic footwear, such as shoes, boots, sandals and the like - Google Patents

Antistatic footwear, such as shoes, boots, sandals and the like Download PDF

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Publication number
US3383559A
US3383559A US492115A US49211565A US3383559A US 3383559 A US3383559 A US 3383559A US 492115 A US492115 A US 492115A US 49211565 A US49211565 A US 49211565A US 3383559 A US3383559 A US 3383559A
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United States
Prior art keywords
insole
heel
ground
wire
metal
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Expired - Lifetime
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US492115A
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English (en)
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Oesterheld Karl Adolf
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Individual
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Individual
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Publication of US3383559A publication Critical patent/US3383559A/en
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    • 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

  • ANTISTATIC FOOTWEAR SUCH AS SHOES BOOTS, SANDALS AND THE LIKE Filed Oct. l, 1965 2 Sheets-Sheet 2 A64/2L A; 05s reef/fw United States Patent O f, 4 Claims.. (Ci. 317-2) ABSTRACT F THE DSCLSURE
  • Antistatic footwear having at least one insertion of good, electrically conducting material which is connected to conducting elements which contact the ground and i function to dissipate electrostatic charges from the body of the wearer.
  • the insertion of this invention is a wire placed in grooves having a zigzag shape across the longitudinal center line of the insole.
  • This invention relates 'to antistatic footwear, such as shoes, boots, 4sandals and the like.
  • the invention can be embodied in diverse ways.
  • a particularly simple arrangement which is also cheap to provide consists in placing a metal wire into grooves formed into the inside surface of the insole in a zigzag or undular path to and fro across the longitudinal centre line of the insole and in connecting the rear end of the metal wire to an earthing conductor comprising a plurality of fine wires which bear against the heel and extend to i Patented May 14, i958 If it is desired to secrete the earthing system for dis'- sipating the electrostatic charge in such a way 'that it cannot be seen at all, a convenient form of construction is one in which the inside of the insole carries a 'thin metal foil which covers the whole or at least the major part of its surface, said metal foil being electrically conductively connected to ⁇ the ground by metal studs which pass through the sole and the heel and which have countersunk heads received in conical holes in the insole.
  • FiG. l is a longitudinal section through a shoe for men with in insole to which an electrically conducting wire and a heel portion to which an earthing conductor is affixed;
  • FIG. 2 is a View of the inside of the insole showing a zigzag metal wire provided therein;
  • FIG. 3 is a back view of the heel of the shoe showing the earthing conductor
  • FIG. 4 is a rear view of the heel of a shoe for men with an earthing conductor of different construction
  • FIG. 5 is a longitudinal section similar to FIG. 1 of a shoe for men containing a thin metal foil insertion on the inside of the insole, and
  • FIG. 6 is a plan view of the inside surface of the insole with a metal foil insertion according to FIG. 5.
  • the inside ysurface of the insole 2 of a shoe 1 made in a conventional manner is formed with grooves 3 which zigzag across the longitudinal centre line of the sole.
  • a bare Stainless metal wire 4 of good electrical conductivity, such as an aluminium or brass wire, is inserted and adhesively fixed in the grooves.
  • the wire is contained in the grooves 3 so that it is llush with the insole surface, or it may project from vthe surface by a fraction of a millimetre so that the sole of the foot of the wearer will make contact with the wire without being inconvenienced thereby.
  • the rear end of the wire 4 is taken lthrough a small hole 6 immediately above the heel 5 at the back of the shoe and attached to a cross wire 7 from which a plu rality of fine wires 8 depend.
  • the cross wire 7 and the ne wire-s 8 are secured to the inside of a leather or like patch 9 which is sewn or cemented to the heel cap of the shoe.
  • the patch 9 bears loosely against the heel 5, its bottom end aligning exactly or nearly with the bottom edge of the heel, whereas the ends of the ne wires 8 slightly project beyond the end of the patch.
  • the ends of the tine wires touch the ground. Any electrostatic charge in the wearers body will therefore be conducted via wire 4 through the lne wires 8 into the ground.
  • the earthing conductor shown in FIG. 4 consists of a bundle 3a of fine metal wires loosely bearing against the back of the heel 5.
  • the wires are held together by a small staple 10 aflixed with the aid of two pins 11 to the top of the heel near its upper edge.
  • a thin iiexible metal foil insertion 12 is cemented to the inside surface of the insole 2 and covers the whole or at least the major part of its surface.
  • Metal studs 13 driven from the inside through the metal foil insertion 12, the insole 2 and the heel 5 to the underside of the sole and heel 5 of the shoe provide an electrically conducting connection between the metal foil insertion 12 and the ground.
  • the metal studs 13 which are distributed over the entire surface of the metal foil insertion 12 have countersunk heads 14 which t into corresponding conical holes in the insole 2 so that they cannot inconvenience the wearer.
  • Footwear comprising a device for grounding electrostatic charges of the human body comprising at least one insertion of material of good electrical conductivity with which the sole of the foot of the wearer remains in permanent contact, said insertion being connected to electrically conducting elements which reach down vt0 the ground for dissipating electrostatic charges from the body of the wearer into the ground, wherein a metal r wire is contained in grooves formed in the inside Surface of the insole in a substantially zigzag shaped path across the longitudinal centre line of the insole, and the rear end of the metal wire is connected to an earthingY conductor comprising a plurality of tine wires which bear against the heel and extend to the ground.
  • Footwear comprising a device for grounding electrostatic charges of the human body comprising at least one insertion of material of good electrical conductivity with which the soie of the foot of the wearer remains in permanent contact, said insertion being connected to electrically conducting elements which reach down to the ground for dissipating electrostatic charges from lthe body of the wearer into the ground, wherein a metal wire is contained in grooves formed in the inside surface of the insole in a substantially zigzag shaped path across the longitudinal centre line of the insole, and the rear end of the metal wire is connected to an earthing conductor in the form of a bundle of tine metal wires afxed by a staple embracing the wires to the rear of the heel.
  • Footwear comprising a device for grounding electrostatic charges of the human -body comprising at least one insertion of material of good electrical conductivity with which the sole of the foot of the wearer remains in permanent Contact, said insertion being connected to electrically conducting elements which reach down to the ground for dissipating electrostatic charges from the body of the wearer into the ground, wherein a metal wire is contained in grooves formed in the inside surface of the insole in a substantially zigzag Shaped path across the longitudinal centre line of the insole, and the rear end of the metal wire is connected to an earthing conductor in the form of a bundle of tine metal Wires affixed by a staple embracing the wires to the heel cap of the shoe directly above the heel.
  • Footwear as claimed in claim 1 wherein the metal wires are attached to the inside of a patch aixed to the heel cap of the shoe above the heel and extending down to the ground.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US492115A 1964-10-09 1965-10-01 Antistatic footwear, such as shoes, boots, sandals and the like Expired - Lifetime US3383559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEO0007850 1964-10-09

Publications (1)

Publication Number Publication Date
US3383559A true US3383559A (en) 1968-05-14

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US492115A Expired - Lifetime US3383559A (en) 1964-10-09 1965-10-01 Antistatic footwear, such as shoes, boots, sandals and the like

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US (1) US3383559A (de)
CH (1) CH424533A (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3695503A (en) * 1970-11-20 1972-10-03 Plastofilm Ind Inc Manifold case
JPS5078431U (de) * 1973-11-29 1975-07-07
US4689900A (en) * 1983-09-17 1987-09-01 Nippon Rubber Co. Ltd. Antistatic shoe
GR880100818A (el) * 1988-12-06 1991-03-15 Tsinividis Leonidas A Σολα υποδηματος με εξαρτημα γειωσεως του ανθρωπινου σωματος.
US6003247A (en) * 1997-05-23 1999-12-21 Steffe; Daniel D. Anti-static boot having a conductive upper
US7055266B2 (en) 2002-04-01 2006-06-06 Wayne Elsey Electrostatically dissipative athletic shoe
US20070000155A1 (en) * 2005-07-01 2007-01-04 Mark Laufer Shoes with electrostatical grounding
WO2012059613A1 (es) * 2010-11-02 2012-05-10 Aurora Moreno Olmo Plantilla de calzado para descarga mediante conexión con la tierra
WO2017020102A1 (pt) * 2015-08-04 2017-02-09 Jean-Marc Wilvers Sapato anti-estático contra câimbras
WO2017199020A1 (en) * 2016-05-19 2017-11-23 N-Ion Sports Technology Limited Grounding footwear
US20220151335A1 (en) * 2018-11-15 2022-05-19 N-Ion Sports Technology Limited Grounding footwear with a blade portion

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712099A (en) * 1955-06-28 G legge
US2785344A (en) * 1953-03-09 1957-03-12 William G Hines Grounding device
US2904724A (en) * 1956-07-19 1959-09-15 Mendoza Manuel Shoe sole
US2955234A (en) * 1956-02-24 1960-10-04 Russell W Price Conductive tape for shoes
US3274442A (en) * 1963-11-19 1966-09-20 James R Peel Conductive footwear

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712099A (en) * 1955-06-28 G legge
US2785344A (en) * 1953-03-09 1957-03-12 William G Hines Grounding device
US2955234A (en) * 1956-02-24 1960-10-04 Russell W Price Conductive tape for shoes
US2904724A (en) * 1956-07-19 1959-09-15 Mendoza Manuel Shoe sole
US3274442A (en) * 1963-11-19 1966-09-20 James R Peel Conductive footwear

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3695503A (en) * 1970-11-20 1972-10-03 Plastofilm Ind Inc Manifold case
JPS5078431U (de) * 1973-11-29 1975-07-07
US4689900A (en) * 1983-09-17 1987-09-01 Nippon Rubber Co. Ltd. Antistatic shoe
GR880100818A (el) * 1988-12-06 1991-03-15 Tsinividis Leonidas A Σολα υποδηματος με εξαρτημα γειωσεως του ανθρωπινου σωματος.
US6003247A (en) * 1997-05-23 1999-12-21 Steffe; Daniel D. Anti-static boot having a conductive upper
US7055266B2 (en) 2002-04-01 2006-06-06 Wayne Elsey Electrostatically dissipative athletic shoe
US20070000155A1 (en) * 2005-07-01 2007-01-04 Mark Laufer Shoes with electrostatical grounding
WO2012059613A1 (es) * 2010-11-02 2012-05-10 Aurora Moreno Olmo Plantilla de calzado para descarga mediante conexión con la tierra
WO2017020102A1 (pt) * 2015-08-04 2017-02-09 Jean-Marc Wilvers Sapato anti-estático contra câimbras
WO2017199020A1 (en) * 2016-05-19 2017-11-23 N-Ion Sports Technology Limited Grounding footwear
EP3457881A1 (de) * 2016-05-19 2019-03-27 N-Ion Sports Technology Limited Erdungsschuhwerk
US20190150555A1 (en) * 2016-05-19 2019-05-23 N-Ion Sports Technology Limited Grounding footwear
US11246372B2 (en) * 2016-05-19 2022-02-15 N-Ion Sports Technology Limited Grounding footwear
US20220151335A1 (en) * 2018-11-15 2022-05-19 N-Ion Sports Technology Limited Grounding footwear with a blade portion
US12604943B2 (en) * 2018-11-15 2026-04-21 N-Ion Sports Technology Limited Grounding footwear with a blade portion

Also Published As

Publication number Publication date
CH424533A (de) 1966-11-15

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