CN108244761B - Shoe sole cushion device - Google Patents
Shoe sole cushion device Download PDFInfo
- Publication number
- CN108244761B CN108244761B CN201611242742.0A CN201611242742A CN108244761B CN 108244761 B CN108244761 B CN 108244761B CN 201611242742 A CN201611242742 A CN 201611242742A CN 108244761 B CN108244761 B CN 108244761B
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- CN
- China
- Prior art keywords
- air
- air cushion
- valve ball
- suction inlet
- cushion bag
- 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.)
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- 229920001971 elastomer Polymers 0.000 claims abstract description 18
- 239000000806 elastomer Substances 0.000 claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 150000002170 ethers Chemical group 0.000 claims description 3
- 239000006261 foam material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 230000003139 buffering effect Effects 0.000 description 8
- 210000002683 foot Anatomy 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004744 fore-foot Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 208000010332 Plantar Fasciitis Diseases 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The present invention is a kind of shoe sole cushion device, including having the internally positioned elastomer for forming elastic buffer in the air cushion bag for being set to sole, and an air throttle pipe is combined in the inside and outside gas nozzle of connection, air throttle pipe has a valve ball and the suction inlet positioned at both ends, the outlet of one path, suction inlet inner wall has several blocks of circular row projection, the several convex blocks for reducing neck are convexly equipped in path outlet with a diminution neck and circular row, valve ball forms stingy ebb interval with diminution neck when air cushion bag gas nozzle is vented to slow down exhaust, valve ball is formed big airflow clearance in air cushion bag gas nozzle air-breathing Shi Bingyu suction inlet inner wall and is inflated with Rapid inhalation, with the elastic buffer of elastomer, air throttle pipe adjusts the auxiliary buffer function for slowing down exhaust and Rapid inhalation inflation, effectively promote the integrated buffer effect of sole.
Description
Technical field
The present invention relates to the technical field of footwear sole construction more particularly to a kind of shoe sole cushion devices.
Background technique
Air cushion can be set in general modern times running shoe or sport footwear, provide the anti-of buffering ground shock foot using air cushion
Compression elasticity, and human foot, which is jammed on when on insole, to be comfortable on, and the unlikely oscillatory surge sense because with hard ground
To pain, the function that protection foot muscles is provided, relieves fatigue, therefore related dealer has research and development and improvement to insole technology more.
And it is set in air cushion structure at present the elastic construction of elastic buffer is provided, it is not outer be using elastic rod structure or
It is spring structure, for example, TaiWan, China announces No. M469774 " the shoes outsole device of tool air-cushion function " Patent Case, this is specially
Benefit is as described in its abstract: " a kind of elastic air cushion is to be set in shoe body to allow shoe body to generate splendid elastic force；The gas
There is chamber in pad, the support column of several elastically deformables is provided in chamber, support column break-through has channel, when user steps on repeatedly
When stepping on air cushion, splendid elastic force can be generated by the supporting role that each support column gives air cushion, so as to allowing foot to generate more
Good buffering effect, so comfort and durability of the shoe body when using can be promoted.".
The existing air cushion structure of Patent Case M469774 as described above, in the branch for being provided with several elastically deformables in its chamber
Dagger, though the supporting role that can give air cushion generates splendid elastic force, so as to allowing foot to generate more preferably buffering effect；So
And as Patent Case M469774 air cushion structure shown in Fig. 2 because of set several support columns, will cause hyperplasia inside air cushion to be permitted
More labyrinth, it will cause degree of difficulty and manufacturing cost thus raising of the gas formation in molding manufacture.For its disadvantage it
One.
Moreover, the above-mentioned air cushion structure buffering effect that single kind of structure of support column can increase close to the inner portion merely also has very much
Limit, it is aobvious to be difficult to effectively achieve the effect that the comfort and durability, it is the two of its disadvantage.
In addition, the patent such as its right are wanted as TaiWan, China announces No. M501747 " breathable air mattrens shoes " Patent Case
It asks described in 1: " a kind of 1. breathable air mattrens shoes, it includes: a vamp；One outsole is incorporated into the vamp, and is equipped with a court
To the accommodation groove of the vamp；One indsole is set to the accommodation groove, and is equipped with several through-holes to correspond to the Forefoot of user；
One insole is set in the indsole, and is equipped with several air holes to be connected to those through-holes；And an air-cushion device, it is set to
The accommodation groove, and between the outsole and the indsole, which has a gas cell and a loop pipe, wherein this is filled
Air bag corresponds to the heel of user, and there is a breather cheek valve to be connected to the outsole outer rim, and longitudinally set in the gas cell
It is equipped with an elastic component, to abut the upper lower edge of the gas cell, and the loop pipe corresponds to the Forefoot of user, and connects by one
Siphunculus is connect with the gas cell, and the inner ring of the loop pipe is equipped with several exhaust outlets, when so as to enabling user walk, outside shoes
Gas can enter the gas cell, and can sequentially enter in shoes via those exhaust outlets, those through-holes and those air holes, up to thoroughly
The effect of gas.".
The existing air cushion structure of Patent Case M501747 as described above, though as its specification is addressed, it can be by gas cell
The ability of its elastic reset of elastic component can enable integral inflating capsule just like one tool buffering effect air cusion body, can be used to slow down user
The pressure that heel is born when walking, and then enable the heel of user from aching, to avoid varication, Plantar Fasciitis is caused
Equal foot afflictions.
However, being installed shown in above-mentioned Patent Case M501747 existing air cushion structure Fig. 2, Fig. 3 in the gas cell of air-cushion device
The elastic component of one spring structure can also cause the structure inside air cushion to increase complicated, cause gas formation in the tired of molding manufacture
Difficulty and manufacturing cost thus improve, and are one of its disadvantage.
In addition, when the gas cell effect in above-mentioned Patent Case M501747 air-cushion device is so as to enabling user walk, shoes
Outer gas can enter the gas cell, and can sequentially enter in shoes via those exhaust outlets, those through-holes and those air holes,
It is exactly that the air bag of the patent allows total gas all to enter in shoes to breathe freely, be only capable of slow without auxiliary up to ventilative merely trampling
Rush effect；And the gas cell buffering effect that the elastic component of single spring structure can be provided close to the inner portion merely is very very limited, shows
It is difficult to effectively achieve the effect that the pressure for slowing down heel receiving when user walks, is the two of its disadvantage.
So how to be directed to the above-mentioned preceding existing air cushion structure of case, the simple single structure by elastic or spring can increase
The very limited and set elastic of the buffer function added or spring structure can all increase complexity and manufacture in structure
The shortcomings that degree of difficulty and carry out improvement creation, be for the present invention be intended to row solution difficulty place.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcomes drawbacks described above of the existing technology, and provides one
Kind shoe sole cushion device has the internally positioned elastomer for forming elastic buffer in the air cushion bag for being set to sole, and is being connected to
An inside and outside gas nozzle combines an air throttle pipe, makes entire air-cushion device in addition to the elastic buffer with elastomer, and with section
The gas nozzle that air valve pipe adjusts the air cushion bag forms the auxiliary buffer function for slowing down exhaust and Rapid inhalation inflation, effectively promotion sole
Integrated buffer effect；The gas nozzle that the air cushion bag is adjusted the to protrude external noose air throttle pipe to reach auxiliary buffer function,
Not will increase air cushion bag, structure is complicated, to reach the progressive of simplified structure assembling.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of shoe sole cushion device, including a bottom fitting；It an at least air cushion bag and is arranged on the bottom fitting, each air cushion bag
The gas nozzle being respectively provided with inside and outside internally positioned an elastomer and connection air cushion bag, the elastomeric resilient stay on air cushion bag
Inner wall to form snubber elastomeric, the gas nozzle combine an air throttle pipe；The air throttle pipe has a valve ball and positioned at both ends
One suction inlet, path outlet, the suction inlet inner wall have several blocks of circular row projection, have one to reduce in path outlet
Neck and circular row are convexly equipped in the several convex blocks for reducing neck, and the valve ball is arranged in several blocks of suction inlet and path exports
Several convex blocks between, the suction inlet inner diameter be greater than valve ball to form big airflow clearance, the path outlet in diminution neck
Portion's inner diameter is less than valve ball, forms stingy ebb interval with diminution neck inner wall when which abuts against convex block；Wherein, the air throttle
The valve ball of pipe is when air cushion bag gas nozzle is vented, by being butted on several convex blocks of path outlet and forming stingy ebb interval with neck is reduced
To slow down exhaust, the valve ball is when air cushion bag gas nozzle air-breathing by being butted on several blocks of suction inlet and being formed with aspiration entrance inner wall
Big airflow clearance is inflated with Rapid inhalation, and accordingly, air throttle pipe adjusts air cushion bag formation and slows down exhaust and Rapid inhalation inflation
Auxiliary buffer function.
The present invention is further technically characterized in that the bottom fitting is equipped with the tank of corresponding air cushion bag shape, to accommodate
Fix the air cushion bag.
The present invention is further technically characterized in that the bottom fitting is the big bottom structure of shoes.
The present invention is further technically characterized in that the bottom fitting is midsole structure.
The present invention is further technically characterized in that bottom fitting is Shoe-pad structure.
The present invention is further technically characterized in that the elastomer is further laid with several perforations.
The present invention is further technically characterized in that the elastomer is ethers foam material.
The invention has the advantages that there is the internally positioned elasticity for forming elastic buffer in the air cushion bag for being set to sole
Body, and combine an air throttle pipe in the inside and outside gas nozzle of connection makes entire air-cushion device in addition to the elastic buffer with elastomer,
The gas nozzle for adjusting the air cushion bag with air throttle pipe again forms the auxiliary buffer function for slowing down exhaust and Rapid inhalation inflation, has
Effect promotes the integrated buffer effect of sole；The gas nozzle that the air cushion bag is adjusted the to protrude external noose air throttle pipe is to reach auxiliary
Buffer function, not will increase air cushion bag, structure is complicated, to reach the progressive of simplified structure assembling.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is Three-dimensional combination diagram of the invention.
Fig. 2 is perspective exploded view of the invention.
Fig. 3 is the perspective cross section schematic diagram of air throttle pipe of the present invention.
Fig. 4 is the combination diagrammatic cross-section of IV-IV line segment shown in Fig. 1.
Fig. 5, Fig. 6 are the diagrammatic cross-section that air cushion bag structure of the present invention slows down exhaust under squeezed state.
Fig. 7, Fig. 8 are the diagrammatic cross-section that air cushion bag structure of the present invention accelerates air-breathing to inflate in the case where releasing squeezed state.
Figure label explanation:
1 bottom fitting, 11 tank
2 air cushion bag, 21 elastomer
211 perforation, 22 gas nozzle
3 air throttle pipe, 31 suction inlet
32 paths export 33 valve balls
311 blocks 321 reduce neck
322 convex blocks
Specific embodiment
Please refer to Fig.1 to Fig.4 a kind of shoe sole cushion device of the shown present invention, comprising:
One bottom fitting 1.
An at least air cushion bag 2 and it is arranged in the bottom fitting 1, at least an air cushion bag 2 is respectively provided with an internally positioned bullet for this
Property body 21 and connection air cushion bag 2 inside and outside a gas nozzle 22, it is slow to be formed which stays on the inner wall of air cushion bag 2
Punching elasticity, the gas nozzle 22 combine an air throttle pipe 3.
The air throttle pipe 3 has a valve ball 33 and is located at a suction inlet 31 at both ends, path outlet 32, should
31 inner diameter of suction inlet is identical as air throttle pipe 3 and has several blocks 311 of circular row projection, has in path outlet 32
One diminution neck 321 and circular row are convexly equipped in the several convex blocks 322 for reducing neck 321, and the valve ball 33 is arranged in suction inlet 31
Several blocks 311 and path outlet 32 several convex blocks 322 between, 31 inner diameter of suction inlet be greater than valve ball 33 with formed
321 inner diameter of diminution neck of big airflow clearance, path outlet 32 is less than valve ball 33, when which abuts against convex block 322
Stingy ebb interval is formed with 321 inner wall of neck is reduced.
Wherein, the valve ball 33 of the air throttle pipe 3 is when 2 gas nozzle 22 of air cushion bag is vented, by being butted on the several of path outlet 32
Convex block 322 and with reduce neck 321 form stingy ebb interval with slow down exhaust, the valve ball 33 when 2 22 air-breathing of gas nozzle of air cushion bag,
Several blocks 311 by being butted on suction inlet 31, and form big airflow clearance with 31 inner wall of suction inlet and inflated with Rapid inhalation, according to
This, the gas nozzle 22 that air throttle pipe 3 adjusts the air cushion bag 2 forms the auxiliary buffer function for slowing down exhaust and Rapid inhalation inflation.
In the lower feature for further carefully stating each component of the invention, in above-mentioned Fig. 1 to Fig. 4, which, which is equipped with, is corresponded to
The tank 11 of 2 shape of air cushion bag fixes the air cushion bag 2 to accommodate.Secondly, the bottom fitting 1 is the big bottom structure of shoes.Furthermore it should
Bottom fitting 1 is midsole structure.Moreover, the bottom fitting 1 is Shoe-pad structure.In addition, the elastomer 21 be further laid with it is several
Perforation 211.Finally, the elastomer 21 is ethers foam material.
Shown in Fig. 5, Fig. 6, air cushion bag 2 of the present invention is by the combined air throttle pipe 3 of gas nozzle 22, the valve ball of the air throttle pipe 3
33 are arranged between several blocks 311 of suction inlet 31 and several convex blocks 322 of path outlet 32, and when the receiving of air cushion bag 2 is worn
Wearer foot trample and force internal gas from gas nozzle 22 along figure arrow direction be vented when；Because the air-flow of exhaust can be by valve ball
33 push path outlet 32 to, make valve ball 33 by being butted on several convex blocks 322, since several convex blocks 322 are to be convexly equipped in reduce neck 321
Small block structure, and make valve ball 33 by being butted on several convex blocks 322 and reduce between neck 321 to be only capable of forming stingy ebb interval
To slow down exhaust；Whereby, it enables air cushion bag 2 be able to retain more sufficient internal pressure and tramples pressure simultaneously to fill part support person of screwing on
The buffering for filling part is formed, and other than the elastic buffer with elastomer 21, and with combined 3 shape of air throttle pipe of gas nozzle 22
At auxiliary buffer function, integrated buffer effect is effectively promoted.
In addition, as shown in Figure 7, Figure 8, the present invention tramples pressure when wearer's foot-up makes air cushion bag 2 bear user's foot
When releasing, and air cushion bag 2 being made to form air-breathing because itself restoring elastic, gas can be made from gas nozzle 22, and the arrow direction along figure is sucked
When 2 inner inflatable of air cushion bag；And the valve ball 33 of air throttle pipe 3 can be pushed to suction inlet 31 by the air-flow of air-breathing, and lean on valve ball 33
Several blocks 311 are butted on, since 31 inner diameter of suction inlet is identical as air throttle pipe 3 and is greater than valve ball 33, and lean on valve ball 33
It is butted on and forms big airflow clearance between 311 Shi Huiyu suction inlet of block, 31 inner wall of 31 inner wall of suction inlet and inflated with Rapid inhalation；
Whereby, it enables air cushion bag 2 quickly inflate and fill up gas, and is able to sufficient air pressure inside and elastomer 21 and provides under wearer
Primary trampling can have the cushioning supportive for filling part.
The present invention has internally positioned formation by a bottom fitting 1 and set on an air cushion bag 2 of bottom fitting 1 as described above
One elastomer 21 of elastic buffer, and be connected to an inside and outside gas nozzle 22 in air cushion bag 2 and combine an air throttle pipe 3, it can break through really
The predicament and disadvantage faced in shoe sole cushion buffer structure technology development at present, and reach following advantages:
1, it is tied in the air cushion bag 2 for being set to bottom fitting 1 in addition to the elastic buffer with elastomer 21, and with gas nozzle 22
Unify air throttle pipe 3, to adjust the auxiliary buffering work that the formation of gas nozzle 22 of the air cushion bag 2 slows down exhaust and Rapid inhalation inflation
With effective promotion integrated buffer effect.
2, the air cushion bag 2 is adjusted with the external noose of gas nozzle 22 of the protrusion air throttle pipe 3 to reach auxiliary buffer function, no
Will increase air cushion bag 2, structure is complicated, to reach the progressive of simplified structure assembling.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, it is all
It is any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention, still falls within
In the range of technical solution of the present invention.
Claims (7)
1. a kind of shoe sole cushion device characterized by comprising
One bottom fitting；
An at least air cushion bag and be arranged in the bottom fitting, an at least air cushion bag be respectively provided with an internally positioned elastomer and
The gas nozzle being connected to inside and outside air cushion bag, the elastomeric resilient stay on the inner wall of air cushion bag to form snubber elastomeric, the gas nozzle knot
Unify air throttle pipe；
The air throttle pipe has a valve ball and is located at a suction inlet at both ends, path outlet, and the suction inlet inner wall is straight
Diameter is identical as air throttle pipe and has several blocks of circular row projection, has one to reduce neck in path outlet and circular row is convex
Set on the several convex blocks for reducing neck, which is arranged between several blocks of suction inlet and several convex blocks of path outlet,
The suction inlet inner diameter is greater than valve ball to form big airflow clearance, and the diminution neck inner diameter in path outlet is less than valve
Ball forms stingy ebb interval with diminution neck inner wall when the valve ball abuts against convex block；
Wherein, the valve ball of the air throttle pipe in air cushion bag gas nozzle be vented when, by be butted on path outlet several convex blocks and with diminution
Neck forms stingy ebb interval to slow down exhaust, the valve ball when air cushion bag gas nozzle air-breathing by being butted on several blocks of suction inlet,
And form big airflow clearance with suction inlet inner wall and inflated with Rapid inhalation, accordingly, air throttle pipe, which adjusts air cushion bag formation, to be slowed down
The auxiliary buffer function of exhaust and Rapid inhalation inflation.
2. shoe sole cushion device according to claim 1, which is characterized in that the bottom fitting is equipped with corresponding air cushion bag shape
Tank, fix the air cushion bag to accommodate.
3. shoe sole cushion device according to claim 1, which is characterized in that the bottom fitting is the big bottom structure of shoes.
4. shoe sole cushion device according to claim 1, which is characterized in that the bottom fitting is midsole structure.
5. shoe sole cushion device according to claim 1, which is characterized in that the bottom fitting is Shoe-pad structure.
6. shoe sole cushion device according to any one of claim 1 to 5, which is characterized in that the elastomer is further
It is laid with several perforations.
7. shoe sole cushion device according to claim 1, which is characterized in that the elastomer is ethers foam material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242742.0A CN108244761B (en) | 2016-12-29 | 2016-12-29 | Shoe sole cushion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242742.0A CN108244761B (en) | 2016-12-29 | 2016-12-29 | Shoe sole cushion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108244761A CN108244761A (en) | 2018-07-06 |
| CN108244761B true CN108244761B (en) | 2019-10-18 |
Family
ID=62720668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611242742.0A Active CN108244761B (en) | 2016-12-29 | 2016-12-29 | Shoe sole cushion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108244761B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109527700A (en) * | 2018-10-17 | 2019-03-29 | 起步股份有限公司 | A kind of footwear sole construction with airflow exits system |
| CN109349740A (en) * | 2018-10-26 | 2019-02-19 | 李芳军 | Massage insole with extrusion type airflow function |
| WO2021151268A1 (en) * | 2020-02-01 | 2021-08-05 | 薛念强 | Personalized air cushion shoe |
| CN112869298A (en) * | 2021-03-17 | 2021-06-01 | 上海市第六人民医院 | Heel pain insole capable of monitoring plantar pressure and automatically and intelligently inflating and deflating |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728270Y (en) * | 2004-08-06 | 2005-09-28 | 快门鞋业有限公司 | Improved structure of shoe sole capable of shockproof and ventilation |
| EP1647749A1 (en) * | 2004-10-12 | 2006-04-19 | Olab S.r.l. | Aerating valve, particularly for a steam generation apparatus |
| KR20090130635A (en) * | 2008-06-16 | 2009-12-24 | 흐신 호 흐신 엔터프라이스 코., 엘티디. | Intelligent air cushion structure |
| CN102232668A (en) * | 2010-05-07 | 2011-11-09 | 欣合信股份有限公司 | Air cushion adjusting device |
| KR200472230Y1 (en) * | 2012-10-25 | 2014-04-10 | 강문호 | Air pump for footwear and footwear with the air pump |
| CN103783731A (en) * | 2012-10-31 | 2014-05-14 | 欣合信股份有限公司 | Shoe air cushion allowing manual and automatic pressure control |
-
2016
- 2016-12-29 CN CN201611242742.0A patent/CN108244761B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728270Y (en) * | 2004-08-06 | 2005-09-28 | 快门鞋业有限公司 | Improved structure of shoe sole capable of shockproof and ventilation |
| EP1647749A1 (en) * | 2004-10-12 | 2006-04-19 | Olab S.r.l. | Aerating valve, particularly for a steam generation apparatus |
| KR20090130635A (en) * | 2008-06-16 | 2009-12-24 | 흐신 호 흐신 엔터프라이스 코., 엘티디. | Intelligent air cushion structure |
| CN102232668A (en) * | 2010-05-07 | 2011-11-09 | 欣合信股份有限公司 | Air cushion adjusting device |
| KR200472230Y1 (en) * | 2012-10-25 | 2014-04-10 | 강문호 | Air pump for footwear and footwear with the air pump |
| CN103783731A (en) * | 2012-10-31 | 2014-05-14 | 欣合信股份有限公司 | Shoe air cushion allowing manual and automatic pressure control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108244761A (en) | 2018-07-06 |
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