CN102438476A - An electrostatic dissipative shoe assembly - Google Patents
An electrostatic dissipative shoe assembly Download PDFInfo
- Publication number
- CN102438476A CN102438476A CN2009801585630A CN200980158563A CN102438476A CN 102438476 A CN102438476 A CN 102438476A CN 2009801585630 A CN2009801585630 A CN 2009801585630A CN 200980158563 A CN200980158563 A CN 200980158563A CN 102438476 A CN102438476 A CN 102438476A
- Authority
- CN
- China
- Prior art keywords
- footwear
- shoe cover
- shoe
- conducting strip
- electrostatic dissipation
- 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
Links
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 7
- 238000007639 printing Methods 0.000 claims description 7
- 239000000123 paper Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000003763 carbonization Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000037361 pathway Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 5
- 210000002683 foot Anatomy 0.000 abstract 2
- 210000004744 fore-foot Anatomy 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000293001 Oxytropis besseyi Species 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
An electrostatic dissipative shoe assembly (10) comprises a conductive strip (13) adhered on the surface of an inner sole (24) at the rear foot region (21) of a shoe (14) and extends toward she base of the internal wall at the farthest end of the back portion of the shoe (14), moves up along the surface of the internal wall, reaching the top of the wall, travels down along the external wall surface and stops at a point just above the bottom shoe sole and a conductive path (15) starting at the bottom of the shoe cover (16) travels underside along forefoot to the rear foot region and continues further until it moves upwards and reaches the stretchable opening rim of the shoe cover (16) so as to form a continual electrical path between the shoe (14) and shoe cover (16) when the shoe cover (16) is worn to the shoe (14) of the wearer (18) to conduct static electricity from the wearer (18); to the floor (19).
Description
Technical field
The present invention relates to the Electrostatic Discharge shoe cover that do not need ground connection tail (ground tail), be designed to the ground connection medium, saidly do not need the ground connection tail will cause practicality efficiently and effective use of this unique technology.
Background technology
Well-knownly as far as the Electrostatic Discharge industry be, the ESD shoe cover just becoming in effective ESD control program antagonism ESD infringement, the ever-increasing commodity of demand.When design ESD shoe cover, present prior art and commodity have up to now combined the use of conduction tail.The representative configuration of prior art shows in Fig. 1 a.The conduction tail is made the bottom at shoe cover, and sewing extends upward the back portion to shoe cover then.During use, for when stepping on and human body electrically contact, the end do not tightened of conduction tail is placed in the footwear.This is a known technology and verified; Be placed on the tram of pin under trampling as long as will conduct electricity the position of tail; Even the normal insulation of dress socks are created and are rested in reliably electrically contacting of conduction tail on the footwear inner bottom surface from the pressure of our body wt with from the sweat of our pin in the footwear.But present prior art has makes them use two weakness that lost efficacy very much and be subject to very much ESD protection inefficacy infringement.
First shortcoming is no matter when to use this ESD shoe cover, and in order below heel of a shoe, to insert the conduction tail for suitable electrically contacting, the ESD shoe cover that has the conduction tail at present requires pin is taken out.This will be not only has a rest etc. to internal pair production or lunch break every day, tea regularly needs the Plant personnel of putting on shoe covers to bring inconvenience, and it also causes great inconvenience to (those footwear that especially have shoestring) such as outside contractor, service provider, visitors.Burdensome ESD shoe cover at the inlet of producing zone, in the production transition process, can cause and postpone and stop up.
Second shortcoming is the flaw that the conduction tail uses.The other end will freely insert in the footwear because only will conduct electricity that tail at one end is connected in shoe cover, and the motion of finding both feet in inappropriate dress or the walking process of the shoe cover conduction tail that possibly be shifted is pushed into this tail the erroneous point at the end in side or the footwear.Under this condition, will there be suitable electrically contacting between conduction tail and the both feet, cause the ESD protection to be lost efficacy.These failure modes are set forth in Fig. 1 b.
Earlier application number discloses the electrostatic dissipation shoe cover with skin (envelop) for the PCT application of No.PCT/MY2009/000015; Said skin has elastic opening and conducting strip (conductive strip); So as in use, footwear shaping processing is outer in order to swallow up.Conducting strip is made below along the outer field substantive length of footwear.Around heel of a shoe part, upwards and along a side of elastic opening continue to make conducting strip.The end do not tightened of conducting strip is made the opposite side at elastic opening the most at last, is formed on the ring that the heel that can receive the wearer when wearing footwear presses down.This ring is guaranteed from the static discharge of wearers body ground connection, but this invention lacks reusable actual property.
Therefore, exist the industry of more efficient and the better ESD shoe cover of invention to need, purpose provides and overcomes present those and have and conduct electricity the long-term solution of shortcoming of ESD shoe cover of tail.
Summary of the invention
Therefore disclosedly be to use the ESD shoe cover that is connected with the conduction tail that do not have tradition and use, make peculiar methods from the static discharge effective grounding of wearer's foot.
The present invention comprise have specific characteristic, specially designed ESD shoe cover system, comprise following examples:
In first of the present invention, conducting strip partly is connected in the footwear and partly is connected outside the footwear.Can perhaps accomplish said connection through adhesive coating in conducting strip one side through the process of making.Above-mentioned conducting strip can be processed by cloth, paper, metal forming or plastic material.
At second portion of the present invention, start from the bottom of shoe cover and the scalable edge of opening that extends upward until shoe cover provides conductive path, and conductive path is connected with the conductor wire of making along the scalable opening of shoe cover.Said conductive path is continuous ink (ink) or paint or the silk-screen of printing or the continuous conduction sheet of being processed by a kind of of paper, plastics, cloth and metal foil material or its combination on the said shoe cover.Especially, make upwardly extending conductive path slightly overlapping with the conductor wire of making along the scalable edge of opening of said shoe cover.This will guarantee being electrically connected from conductive path to conductor wire.
Electrostatic dissipation footwear assembly of the present invention is to allow static discharge from human body through footwear, through the unique system of ESD shoe cover to the reliable discharging on ESD ground, has eliminated all shortcomings that the ESD shoe cover that is connected with the conduction tail is experienced.Therefore, realized the useful and actual solution that ESD control is easily implemented.
Description of drawings
When with reference to advantages, other purposes of the present invention, feature and advantage are tangible from following description.In the accompanying drawings, wherein same label representes to run through the corresponding component of a few width of cloth figure:
Fig. 1 is the sketch map of the layout and the possible failure mode of typical prior art;
Fig. 2 is perspective view footwear, that set forth conducting strip placement location on footwear that has conducting strip among the present invention;
Fig. 3 is the perspective view of shoe cover of the present invention;
Fig. 4 a is through combining the footwear and side view shoe cover, electrostatic dissipation footwear assembly of the present invention of Fig. 2 and 3; And
Fig. 4 b is the diagrammatic sketch of the electrostatic dissipation footwear assembly of Fig. 4 a.
The specific embodiment
In following detailed description,, illustrate many specific detail for thorough understanding of the present invention is provided.But those those of ordinary skill of this area will be appreciated that the present invention possibly not carry out when having these specific detail.In other cases, in order not make indigestibility of the present invention, do not describe well-known method, program and/or assembly in detail.Now will be in detail with reference to the preferred embodiments of the present invention, the instance of said preferred embodiment is set forth in the accompanying drawings.
The electrostatic dissipation footwear assembly 10 of the preferred embodiment of the present invention comprises and being placed in the footwear 14 and outer conducting strip 13 and the conductive path 15 that shown in Fig. 4 a and 4b, on shoe cover 16, provides.In first of the present invention, purpose provides the conducting strip as the general electrical pickoff of human body and shoe cover 16.This is through on the insole that conducting strip 13 is adhered to heel area footwear 14 and make as shown in Figure 2 to be electrically connected on the outside heel of a shoe that extends to footwear 14 rear sections and be accomplished; Even thereby stand the strenuous exercises of both feet in the footwear 14 or when mobile, conducting strip 13 can not be shifted or move.But as long as footwear contact and support wearer's pin with ground, the accurate type and the pattern of footwear are not crucial.
Conducting strip 13 is processed from a kind of of plastics, paper, cloth and metal foil material or its combination by selection.Can it be fixed on the footwear 14 through the adhesion mode or through the process of making.As shown in Figure 2, conducting strip 13 preferably includes an adhesion side 13a and opposite side 13b is non-adhesion side, and said adhesion side is coated with by adhesion layer, and said adhesion layer depends on that service condition and particular demands can be water type or solvent-borne type.
For thereby the repeated use of shoe cover 16 realizes economical advantage, conducting strip 13 can be forever perhaps semipermanent being fixed on the footwear 14.In this mode, no matter when require human body is passed through double-legged ground connection, need from footwear 14, not take out pin in order to insert conducting strip or conductive strips.Because conducting strip has been fixed on footwear 14, personnel will only need put on outside conduction shoe cover 16.Under the free-moving situation that lacks unlike the conduction tail, conducting strip will can not be shifted in the footwear 14 in the process of walking, and alleviate the flexible trend that makes the ground connection tail tear or rupture.This will guarantee to be electrically connected reliably, and the lasting esd protection from the health to ground is provided.
At the second portion 12 of electrostatic dissipation footwear assembly 10, conductive path 15 comprises the conductor wire 15a that makes along the scalable opening 17 of shoe cover 16.As shown in Figure 3, above-mentioned conductor wire is connected with conductive path remaining, that extend to shoe cover 16 bottom sole from the outer surface of the heel area of shoe cover 16.The material of conductor wire 15a typically by the metal coated line or by stainless steel fibre, carbonization or carbon nano-tube material process.When putting on shoe cover 16, shown in Fig. 4 a and 4b, the scalable opening 17 of shoe cover 16 will be caught the main body of footwear 14 lightly.As previously mentioned, along the metal wire 15a of the scalable opening 17 of shoe cover 16 guarantee with the heel area outer surface that is fixed on footwear 14 on the excellent electric contact of exposure conducting strip 13.When stepping on electrostatic dissipation or conductive floor, this will promote to be electrically connected reliably, thereby allow static discharge to flow to the residue conductive path 15 of shoe cover 16 through conductor wire 15a and finally to ground from conducting strip 13.
Conductive path part behind the conductor wire can form from conductive ink printing or silk-screen or paint structure; The conducting strip that adheres to or make is processed by a kind of or its combination from the material of paper, plastics, cloth and metal forming.Above-mentioned conductive path 15 preferably print or silk-screen at the outer surface in the bottom sole of shoe cover 16 zone, thereby when putting on shoe cover 16, provide and the electrically contacting of ESD ground 19.ESD ground 19 refers to have about 10
5-10
11The electrostatic dissipative properties of ohm, or less than about 10
5The ground of the electric conductivity of ohm, thus said ground makes microchip avoid the Electrostatic Discharge infringement electrical ground in manufacturing environment.Then as shown in Figure 3, the conductive path 15 that is printed on bottom sole zone is extended upward backward and along the outer surface of the heel area of shoe cover 16.It is slightly overlapping that conductive path 15 is extended with the conductor wire 15a at the scalable opening 17 of shoe cover 16.This will provide from conductor wire 15a and connect through the reliable electric on conductive path 15 to ESD ground 19.The conductive path 15 of preferred printing can by can buy from market usually, mix (with the incorporation of) have the water type system of conductive carbon powder, conductive carbon fibre, metal dust or carbon nano-tube material etc. or solvent-borne type system to make by prescription, thereby electricity, machinery, the beauty treatment that gives that commerce needs with other need performance.
When the bottom sole zone that covers shoe cover 16 than broad surface area the time, conductive path 15 above-mentioned preferred printing or silk-screen can give cling property.In other words, can increase conductive path 15 zones of shoe cover 16 bottom sole, thereby improved contact surface coverage not only is provided, and better security feature is provided for the wearer.To be " Fishbone " pattern be electrically connected with conductor wire 15a at the edge of opening of shoe cover 16 representative instance, and said " Fishbone " pattern printing or silk-screen have the head or tail of Fishbone pattern.
Electrostatic dissipation footwear assembly 10 of the present invention is the unique system that static discharge effectively are disposed to ESD ground 19 from wearer 18 health.Shown in Fig. 4 a and 4b, electric charge from sole move to unique (uniquely place) conducting strip 13 of placing, to make the conductor wire 15a of the scalable opening 17 of shoe cover 16, then to the conductive path 15 of heel of a shoe outer surface and shoe cover 16 sole region, finally to ground.
Therefore disclosed the present invention has overcome and has had relevant all shortcomings and the problem of static discharge shoe cover of conduction tail, and provides static discharge is disposed to the useful of ground and practical methods more from health.
Generally speaking, although describe this invention relatively with its particular form and embodiment, be understood that except discussed above those, possibly resort to various conversion and not deviate from the spirit and scope of the present invention.
Claims (8)
1. an electrostatic dissipation footwear assembly (10) is characterized in that, comprises
Conducting strip (13), said conducting strip are fixed on that insole (24) surface in footwear (14) rear foot zone (21) is gone up, extension bottom the inwall of the distal-most end of footwear (14) rear section, move on to the top that reaches said wall on the surface of said inwall (22), move down and stop at the point on the bottom sole of said footwear (14) along outer wall surface (23); And
Start from the conductive path (15) of shoe cover (16) bottom; Said conductive path moves below along the zone of the forward foot in a step to the rear foot and further continues and moves up and arrive scalable opening (17) edge of said shoe cover (16) until it; Thereby when the said footwear (14) that said shoe cover (16) are through said wearer (18) go up with static discharge from said wearer (18) conducting to ground when (19), the continuous electric pathway of formation between said footwear (14) and shoe cover (16).
2. electrostatic dissipation footwear assembly according to claim 1 (10); It is characterized in that said conductive path (15) is paint or the silk-screen of continuous conduction ink or printing on the said shoe cover (16) or by from a kind of of the material of paper, plastics, cloth and metal forming or serialgram that its combination is processed.
3. electrostatic dissipation footwear assembly according to claim 2 (10); It is characterized in that; Said conductive path (15) is that printing forms, and said path (15) can be made by prescription by water type system that is doped with conductive carbon powder, conductive carbon fibre, metal dust or carbon nano-tube material or solvent-borne type system.
4. electrostatic dissipation footwear assembly according to claim 1 (10) is characterized in that, said conductive path (15) also is connected with the conductor wire of making along the scalable opening (17) of said shoe cover (16) (15a).
5. electrostatic dissipation footwear assembly according to claim 4 (10) is characterized in that, said conductor wire (15a) by the metal coated line or by stainless steel fibre, carbonization or carbon nano-tube material process.
6. electrostatic dissipation footwear assembly according to claim 1 (10) is characterized in that, said conducting strip (13) is fixed on the said footwear (14) permanent or semipermanently.
7. electrostatic dissipation footwear assembly according to claim 6 (10) is characterized in that, said conducting strip (13) is processed from a kind of or its combination of the material of plastics, paper, cloth and metal forming by selection.
8. electrostatic dissipation footwear assembly according to claim 7 (10) is characterized in that, said conducting strip (13) is fixed on the said footwear (14) through adhesion mode or the mode of making.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/MY2009/000045 WO2010101452A1 (en) | 2009-03-30 | 2009-03-30 | An electrostatic dissipative shoe assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102438476A true CN102438476A (en) | 2012-05-02 |
| CN102438476B CN102438476B (en) | 2013-07-03 |
Family
ID=42709875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980158563.0A Expired - Fee Related CN102438476B (en) | 2009-03-30 | 2009-03-30 | An electrostatic dissipative shoe assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102438476B (en) |
| WO (1) | WO2010101452A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106869A (en) * | 2014-06-27 | 2014-10-22 | 苏州市景荣科技有限公司 | Novel anti-static shoe |
| CN107427102A (en) * | 2015-04-02 | 2017-12-01 | 纳幕尔杜邦公司 | Dissipative system for life vest |
| US20230284735A1 (en) * | 2022-03-09 | 2023-09-14 | Steven Mark Hayden | System of Grounded Shoes and Grounded Floors |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103271497B (en) * | 2013-06-08 | 2015-10-07 | 苏州市景荣科技有限公司 | A kind of anti-static shoe cover with location |
| CN104095340B (en) * | 2014-06-27 | 2016-01-20 | 石狮市台瑞精密机械有限公司 | A kind of open-close type shoe cover with electrostatic-proof function |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174873Y (en) * | 1993-12-27 | 1994-08-24 | 郑焕榕 | Static electricity health-care shoes |
| KR0133319Y1 (en) * | 1996-05-03 | 1999-01-15 | 정형희 | Shoes |
| KR19990002437U (en) * | 1997-06-27 | 1999-01-25 | 조윤제 | Energization, current blocking work shoes |
| JPH1175902A (en) * | 1997-09-12 | 1999-03-23 | Kazumi Kita | Device for preventing trouble due to static electricity |
| KR19990022482U (en) * | 1999-03-05 | 1999-07-05 | 정대환 | Shoe&socks of static electricity discharge |
| CN2330206Y (en) * | 1998-07-09 | 1999-07-28 | 李庭梅 | Health-care sole with conductor |
| US6339888B1 (en) * | 1996-07-25 | 2002-01-22 | Kimberly-Clark Worldwide, Inc. | Disposable shoe cover |
| KR200426067Y1 (en) * | 2006-06-09 | 2006-09-19 | 김두원 | Disposable footwear cover |
| CN2836515Y (en) * | 2005-04-28 | 2006-11-15 | 长春大学 | Shoes capable of conducting static of human body to ground and its matched socks |
-
2009
- 2009-03-30 CN CN200980158563.0A patent/CN102438476B/en not_active Expired - Fee Related
- 2009-03-30 WO PCT/MY2009/000045 patent/WO2010101452A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174873Y (en) * | 1993-12-27 | 1994-08-24 | 郑焕榕 | Static electricity health-care shoes |
| KR0133319Y1 (en) * | 1996-05-03 | 1999-01-15 | 정형희 | Shoes |
| US6339888B1 (en) * | 1996-07-25 | 2002-01-22 | Kimberly-Clark Worldwide, Inc. | Disposable shoe cover |
| KR19990002437U (en) * | 1997-06-27 | 1999-01-25 | 조윤제 | Energization, current blocking work shoes |
| JPH1175902A (en) * | 1997-09-12 | 1999-03-23 | Kazumi Kita | Device for preventing trouble due to static electricity |
| CN2330206Y (en) * | 1998-07-09 | 1999-07-28 | 李庭梅 | Health-care sole with conductor |
| KR19990022482U (en) * | 1999-03-05 | 1999-07-05 | 정대환 | Shoe&socks of static electricity discharge |
| CN2836515Y (en) * | 2005-04-28 | 2006-11-15 | 长春大学 | Shoes capable of conducting static of human body to ground and its matched socks |
| KR200426067Y1 (en) * | 2006-06-09 | 2006-09-19 | 김두원 | Disposable footwear cover |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106869A (en) * | 2014-06-27 | 2014-10-22 | 苏州市景荣科技有限公司 | Novel anti-static shoe |
| CN104106869B (en) * | 2014-06-27 | 2016-07-06 | 国网山东省电力公司鄄城县供电公司 | A kind of anti-static shoes |
| CN107427102A (en) * | 2015-04-02 | 2017-12-01 | 纳幕尔杜邦公司 | Dissipative system for life vest |
| CN107427102B (en) * | 2015-04-02 | 2021-01-15 | 杜邦安全与建筑公司 | Dissipation system for life jackets |
| US20230284735A1 (en) * | 2022-03-09 | 2023-09-14 | Steven Mark Hayden | System of Grounded Shoes and Grounded Floors |
| US11877623B2 (en) * | 2022-03-09 | 2024-01-23 | Steven Mark Hayden | System of grounded shoes and grounded floors |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010101452A8 (en) | 2012-01-12 |
| WO2010101452A1 (en) | 2010-09-10 |
| CN102438476B (en) | 2013-07-03 |
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Granted publication date: 20130703 |
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