CN100423663C - Upper integral polyurethane injection molding health shoes with ventilation and perspiration functions and preparation process thereof - Google Patents
Upper integral polyurethane injection molding health shoes with ventilation and perspiration functions and preparation process thereof Download PDFInfo
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- CN100423663C CN100423663C CNB2006100977407A CN200610097740A CN100423663C CN 100423663 C CN100423663 C CN 100423663C CN B2006100977407 A CNB2006100977407 A CN B2006100977407A CN 200610097740 A CN200610097740 A CN 200610097740A CN 100423663 C CN100423663 C CN 100423663C
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Abstract
The invention relates to a polyurethane injection shoe with ventilate function and relative production, wherein it comprises upper of shoe, inner bottom, middle bottom and polyurethane outer bottom; it arranges air bubble, ventilate hole and ventilate one-way valve at the sole of polyurethane outer bottom; arranges connecting air tube and inlet one-way valve at the middle bottom to connect the air bubble; and the middle bottom, air bubble, upper of shoe and outer bottom are injected into one body.
Description
Technical field
What the present invention relates to is the daily footwear that wear of people, particularly has the polyurethane PU continuous-upper injection footwear and the manufacture craft thereof of ventilation and perspiration functions.
Background technology
The structure of conventional footwear and production technology are to carry out sole, upper of a shoe respectively, are bonded through brush coating.In the nineties in last century, polyurethane continuous-upper injection footwear come out, the structure of polyurethane continuous-upper injection footwear generally comprises upper of a shoe, the interior end, the middle end and outer bottom, and the middle end and upper of a shoe place it on the special mould after sewing up, and polyurethane PU expanding foam solution material is injected the mould foaming form.Because of PU itself has the cohesive of extra-heavy, so need not brush coating, reduced the pollution of benzene, add advantages light, wear-resisting at the bottom of the polyurethane, anti-complications, be subjected to people's favor very soon.But because its compact conformation, no bonding meeting so the gas permeability difference easily produces stink, becomes a big defective of even helping footwear.And because continuous-upper injection footwear production technology and structure have been compared different greatly with existing various city shoes, therefore existing structure and ventilation and perspiration manufacture craft just can't be used at all, so all kinds of continuous-upper injection article of footwear in the market all do not have ventilation and perspiration functions.
Summary of the invention
The objective of the invention is to provides a kind of polyurethane continuous-upper injection health shoes and manufacture craft thereof with ventilation and perspiration functions for overcoming the deficiencies in the prior art.
For achieving the above object, polyurethane continuous-upper injection health shoes with ventilation and perspiration functions provided by the invention, comprise upper of a shoe, the interior end, the middle end and polyurethane outer bottom, upper of a shoe and outer bottom are injection molded into one, it is characterized in that: described polyurethane outer bottom heel part is provided with air bag storage chamber, air bag is located in the air bag storage chamber, forward foot in a step metacarpus in the end is provided with ventilative through hole in described, the end, be arranged between the interior end and the outer bottom in described, the middle end, is provided with and is communicated with air flue and breather check valve, in described the heel place at the end be provided with the air feed capsule outstanding push the hole, shoes lumen is through ventilative through hole, connection air flue and breather check valve are communicated with air bag at middle the end, described outer bottom rear heel is provided with communicated air bags and extraneous steam vent, is provided with exhaust check valve in the steam vent.
Preparation method with polyurethane continuous-upper injection health shoes of ventilation and perspiration functions may further comprise the steps: in making of the mode of injection mo(u)lding the end and on air slot and ventilative groove and heel place air feed capsule outstanding push the hole, going out ventilative through hole with special equipment or instrument at interior end forward foot in a step metacarpus links together the middle end and upper of a shoe and be fixed on the mould shoe last or hat block by clip pack or with the mode of drawing bag then, sew up or be bonded in air bag on the bottom surface at the middle end again, certainly, also can be on the bottom surface at the end in earlier air bag being sewed up or is bonded in, to have the middle end of air bag and upper of a shoe again links together and is fixed on the mould shoe last or hat block by clip pack or with the mode of drawing bag, conduit on the air bag air inlet is embedded in the air slot, and breather check valve is arranged in the conduit; For being provided with air chamber, use special equipment or instrument to go out air-vent at middle end forward foot in a step metacarpus, the air chamber that filler is housed is fixed on middle end forward foot in a step metacarpus, connect air chamber and air bag with wireway, breather check valve is arranged in the wireway, and forward foot in a step metacarpus in the end in being fixed in, the upper of a shoe and the middle end of sewing it up, be enclosed within on the shoe last of continuous-upper injection mould together with air bag or with air chamber, polyurethane (PU) expanding foam solution is injected mould, matched moulds, curing back die sinking to be formed is taken off to connect and is helped footwear, deburring, and outward appearance is handled, and at the unidirectional air outlet valve of the relevant position of footwear punching installation, place the interior end, and carry out the spray decorations of footwear, join sign indicating number, packing is handled at last.Certainly, the middle end, the punching of the interior end and air bag can be made simultaneously or successively, as long as be ready for before patrix lasting clamp bag.
Miniature unidirectional turnover, the air valve of this polyurethane continuous-upper injection health shoes utilization original creation, cooperate the special interior end, the middle end, air bag, tracheae, air drain and related accessories thereof, production technology in conjunction with polyurethane continuous-upper injection footwear, after the curing to be formed, in the punching of the relevant position of footwear unidirectional air outlet valve is installed again, has been realized having the polyurethane continuous-upper injection health shoes of ventilation and perspiration functions.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Accompanying drawing 1 is specific embodiment of the invention STRUCTURE DECOMPOSITION figure;
Accompanying drawing 2 is provided with the specific embodiment STRUCTURE DECOMPOSITION figure of air chamber for the present invention;
Accompanying drawing 3 is the airbag structure schematic diagram;
Accompanying drawing 4 is the inner airbag structure cutaway view that is provided with the compression spring;
Accompanying drawing 5 is the inner airbag structure cutaway view that is provided with the low bubble of high resilience filler;
Accompanying drawing 6 is a breather cheek valve structure cutaway view;
Accompanying drawing 7 is unidirectional air outlet valve structure cutaway view;
Accompanying drawing 8 is the middle end and upper of a shoe clip pack schematic diagram;
Accompanying drawing 9 is placed schematic diagram for air bag;
Accompanying drawing 10 is the shoe last schematic diagram of last continuous-upper injection mould;
Accompanying drawing 11 is for being provided with the middle end and the upper of a shoe clip pack schematic diagram of air chamber;
Accompanying drawing 12 is placed schematic diagram for the air bag that is provided with air chamber;
Accompanying drawing 13 is the shoe last schematic diagram that is provided with the last continuous-upper injection mould of air chamber;
Accompanying drawing 14 draws the bag schematic diagram for the middle end and upper of a shoe;
The specific embodiment
As shown in Figure 1, polyurethane continuous-upper injection health shoes with ventilation and perspiration functions still comprises upper of a shoe 1, the interior end 2, the middle end 3 and polyurethane outer bottom 4, upper of a shoe 1 is made by skin or leather, the interior end 2, also can be made by skin, leather or fabric, forward foot in a step metacarpus is provided with ventilative through hole 5, and ventilative through hole 5 diameters are advisable with 1～1.5mm; The middle end 3, is by TPR, rubber PU, one of material such as TPU or TR is made, upper surface from rear heel forward foot palm part be provided with dendritic air slot 6, upper surface forefoot part at least evenly is provided with the ventilative groove 7 formation connection air flues that are connected with air slot 6, the heel place be provided with air feed capsule 10 outstanding push hole 8, it is oval that shape is preferably, similar to air bag 10, air slot 6 degree of depth are generally at 2～4mm, ventilative groove 7 degree of depth are generally at 1～2mm, shape can be waveform or zigzag, it also can be the H shape of X-shaped or intersection, intersecting formation with air slot 6 is communicated with, air slot 6 and ventilative groove 7 are crossed and can be caused the middle end 3 blocked up deeply, increase material consumption, and it is not ideal enough to cross shallow then ventilation and perspiration effect; Polyurethane outer bottom 4 heel parts are provided with cavity and constitute air bag storage chamber 11, as Fig. 3,4, shown in 5, the hollow member of air bag 10 for making with high resilient material such as rubber, and be provided with into, the gas outlet, the low bubble of built-in compression spring 12 or high resilience (as sponge) material, foam material is hanged down in preferred high resilience, air bag 10 places air bag storage chamber 11, air bag 10 air inlets are provided with conduit 13, as shown in Figure 1, conduit 13 passes from push hole 8 and is embedded in the air slot 6, breather check valve 14 is arranged in the conduit 13, and the middle end 3 links together by clip pack or with the mode of drawing bag with upper of a shoe 1, and upper of a shoe 1 and outer bottom 4 are injection molded into one by polyurethane, outer bottom 4 rear heel sides are provided with communicated air bags 10 and extraneous steam vent 15, are inserted with exhaust check valve 16 in the steam vent 15; Breather check valve 14 and exhaust check valve 16 are the vital parts in the polyurethane continuous-upper injection health shoes of perspiration functions, and can its performance directly influence the polyurethane continuous-upper injection health shoes of perspiration functions and normally use and result of use.As shown in figure 14, the mode of drawing bag is exactly in design, blanking, when doing bag, car bag, make binding foot than the long 5～10mm that binds foot that sews up of footwear bag, and foot sews up a firm movable stay cord 9 in group, after being fixed on the middle end on the mould shoe last or hat block, put the footwear bag, tighten up stay cord 9 and fasten.In the polyurethane continuous-upper injection health shoes with ventilation and perspiration functions of the present invention, as shown in Figure 6, breather check valve 14 is by valve seat 141, spool 142 and valve gap 143 are formed, valve seat 141 and the valve gap 143 outer stepped cylindrical that form, injection molded by moulding firmly, the inlet channel 144 that is provided with die cavity in the valve seat 141 and communicates with it, valve gap 143 is provided with outlet passageway 145, the die cavity of valve gap 143 parts insertion valve seat 141 links into an integrated entity and constitutes valve pocket, connected mode can be to be threaded, spool 142 is for having the spike member of termination, be inserted in the inlet channel 144 to the bar portion matched in clearance of spool 142, the termination becomes cone match with the contact-making surface of 144 mouthfuls of inlet channels, in order to strengthen sealing effectiveness, spool 142 preferably adopts rubber to make, and breather check valve 14 two ends preferably are provided with ring-type triangle convex tendon 146; As shown in Figure 7, exhaust check valve 16 is provided with the blast pipe 161, rubber cap 162 and the exhaust nozzle 163 that connect the exhaust passage by the center and forms, rubber cap 162 is that an end seals the tubular of an end opening and is tightly connected with blast pipe 161 outlet sides, rubber cap 162 sidewalls are provided with some joint-cuttings 164, be generally 2～4, exhaust nozzle 163 also is the cylindrical member that an end seals an end opening, and the bottom is provided with several ventholes 165, and exhaust nozzle 163 is enclosed within rubber cap 162 outer and blast pipe 161 grafting.
As shown in Figure 2, be communicated with air flue and can also take following proposal: forward foot in a step metacarpus is provided with air-vent 17 at the middle ends 3, lower surface is provided with the air chamber 18 of projection, and be provided with the wireway 19 that is communicated with air chamber 18, the other end of wireway 19 is connected with air bag 10, breather check valve 14 is arranged in the wireway 19, in air chamber 18 inner chambers, be provided with at interval the massage prominent 20 that small column that a plurality of elastomeric materials (as rubber) make constitutes, massage prominent 20 had both been played a supporting role, have massage effect again, air chamber 18 can be one-body molded with rubber or plastics and massage prominent 20.The preparation method and the step of polyurethane continuous-upper injection health shoes with ventilation and perspiration functions is as follows: select for use rubber PU make in the mode of injection mo(u)lding in the end 3 and on air slot 6 and ventilative groove 7 and heel place air feed capsule 10 outstanding push hole 8, the heel place be provided with air feed capsule 10 outstanding push hole 8, it is oval that shape is preferably, similar to air bag 10, air slot 6 degree of depth are generally at 2～4mm, ventilative groove 7 degree of depth are generally at 1～2mm, shape, intersects formation with air slot 6 and is communicated with for well with the H shape of intersecting; Go out ventilative through hole 5 with automatic punching machine at the forward foot in a step metacarpus of the interior ends 2, ventilative through hole 5 diameters are advisable with 1～1.5mm, then the middle end 3 and upper of a shoe 1 method by clip pack is linked together and be fixed on the mould shoe last or hat block, then sew up or be bonded in air bag 10 on the bottom surface at the middle end 3, referring to Fig. 8,9, certainly, also can be on the bottom surface at the end 3 in earlier air bag 10 being sewed up or is bonded in, the middle end 3 that will have air bag 10 again and upper of a shoe 1 method by clip pack links together and is fixed on the mould shoe last or hat block, conduit 13 on air bag 10 air inlets is embedded in the air slot 6, and the outlet side of breather check valve 14 is inserted in the conduit 13; As Figure 11, shown in 12, for being provided with air chamber 18, as the production of traditional continuous-upper injection footwear, the permeable fiber of nonwoven or similar nonwoven is adopted at the middle ends 3, skin, the ends 3 material and the merging of footwear overseam are made cover and are wrapped the processing of finalizing the design in the conduct such as leather, use automatic punching machine to go out air-vent 17 at the forward foot in a step metacarpus of the middle ends 3, in air chamber 18, pack into filler and stick with glue agent and stick at the forward foot in a step metacarpus of the middle ends 3, connect air chamber 18 and air bag 10 with wireway 19, breather check valve 14 is arranged in the wireway 19, and the ends 3 forward foot in a step metacarpus in being fixed in, with the upper of a shoe 1 of sewing it up and the middle end 3 together with air bag 10 or and air chamber 18 be enclosed within on the shoe last of continuous-upper injection mould of polyurethane injection machine, polyurethane (PU) expanding foam solution is injected mould, matched moulds, die sinking is taken off to connect and is helped footwear (as Figure 10 after the curing to be formed, shown in 13), deburring, outward appearance is handled, and in the punching of the relevant position of footwear unidirectional air outlet valve is installed, the end 2 in placing, and the spray of carrying out footwear is adornd, join sign indicating number, packing is handled at last.
Compressing gasbag 10 when getting a foothold on foot, and breather cheek valve is closed, and one-way exhaust valve is opened, and the gas in the air bag 10 is discharged; When carrying pin, spring in the air bag 10 (being high resilience filler) resilience, form negative pressure, one-way exhaust valve is closed, and breather cheek valve is opened, the gas channel at the air-vent 17 special middle ends 3 of the sweat gas in the footwear in the interior end 2, wireway 19, breather cheek valve sucks air bag 10, discharges from air bag 10 again during leftover bits and pieces, go round and begin again, thereby reach the effect of ventilation and perspiration.
Claims (10)
1. polyurethane continuous-upper injection health shoes with ventilation and perspiration functions, comprise upper of a shoe, the interior end, the middle end and polyurethane outer bottom, upper of a shoe and outer bottom are injection molded into one, it is characterized in that: described polyurethane outer bottom heel part is provided with air bag storage chamber, air bag is located in the air bag storage chamber, forward foot in a step metacarpus in the end is provided with ventilative through hole in described, the end, be arranged between the interior end and the outer bottom in described, the middle end, is provided with and is communicated with air flue and breather check valve, in described the heel place at the end be provided with the air feed capsule outstanding push the hole, shoes lumen is through ventilative through hole, connection air flue and breather check valve are communicated with air bag at middle the end, described outer bottom rear heel is provided with communicated air bags and extraneous steam vent, is provided with exhaust check valve in the steam vent.
2. the polyurethane continuous-upper injection health shoes with ventilation and perspiration functions according to claim 1, it is characterized in that: described in the end upper surface from rear heel forward foot palm part be provided with dendritic air slot, upper surface forefoot part at least evenly is provided with the ventilative groove that is connected with air slot, described air slot and ventilative groove constitute the connection air flue, described air bag air inlet is provided with conduit, conduit is embedded in the air slot, and described breather check valve is arranged in the conduit.
3. the polyurethane continuous-upper injection health shoes with ventilation and perspiration functions according to claim 1, it is characterized in that: the end, adopt permeable fiber, skin, the leather of nonwoven or similar nonwoven to make in described, forward foot in a step metacarpus in the end is provided with air-vent in described, lower surface is provided with the air chamber of projection, and be provided with the wireway that is communicated with air chamber and constitute described connection air flue, the other end of wireway is connected with air bag, described breather check valve is arranged in the wireway, and it is prominent to be provided with at interval the massage that small column that a plurality of elastomeric materials make constitutes in the air chamber inner chamber.
4. according to claim 1 or 2 or 3 described polyurethane continuous-upper injection health shoes with ventilation and perspiration functions, it is characterized in that: the hollow member of described air bag for making with high resilient material, foam material is hanged down in built-in spring or high resilience.
5. according to claim 1 or 2 or 3 described polyurethane continuous-upper injection health shoes with ventilation and perspiration functions, it is characterized in that: described breather check valve is made up of valve seat, spool and valve gap, the inlet channel that is provided with die cavity in the described valve seat and communicates with it, valve gap is provided with outlet passageway, the die cavity that described valve gap partly inserts valve seat links into an integrated entity and constitutes valve pocket, described spool is the spike member that has the termination, be inserted in the inlet channel to the bar portion matched in clearance of spool, the termination becomes cone match with the contact-making surface of inlet channel mouth; Described exhaust check valve is provided with the blast pipe, rubber cap and the exhaust nozzle that connect the exhaust passage by the center and forms, described rubber cap is that an end seals the tubular of an end opening and is tightly connected with the blast pipe outlet side, the rubber cap sidewall is provided with some joint-cuttings, described exhaust nozzle also is the cylindrical member that an end seals an end opening, the bottom is provided with several ventholes, and exhaust nozzle is enclosed within the outer and blast pipe grafting of rubber cap.
6. the polyurethane continuous-upper injection health shoes with ventilation and perspiration functions according to claim 4, it is characterized in that: described breather check valve is made up of valve seat, spool and valve gap, the inlet channel that is provided with die cavity in the described valve seat and communicates with it, valve gap is provided with outlet passageway, the die cavity that described valve gap partly inserts valve seat links into an integrated entity and constitutes valve pocket, described spool is the spike member that has the termination, be inserted in the inlet channel to the bar portion matched in clearance of spool, the termination becomes cone match with the contact-making surface of inlet channel mouth; Described exhaust check valve is provided with the blast pipe, rubber cap and the exhaust nozzle that connect the exhaust passage by the center and forms, described rubber cap is that an end seals the tubular of an end opening and is tightly connected with the blast pipe outlet side, the rubber cap sidewall is provided with some joint-cuttings, described exhaust nozzle also is the cylindrical member that an end seals an end opening, the bottom is provided with several ventholes, and exhaust nozzle is enclosed within the outer and blast pipe grafting of rubber cap.
7. make the described method of claim 1, it is characterized in that said method comprising the steps of with polyurethane continuous-upper injection health shoes of ventilation and perspiration functions:
(1), make of the mode of injection mo(u)lding in the end and on air slot and ventilative groove and heel place air feed capsule outstanding push the hole;
(2), use special equipment or instrument to go out ventilative through hole at interior end forward foot in a step metacarpus;
(3), the middle end and the upper of a shoe method by clip pack is linked together and be fixed on the mould shoe last or hat block;
(4), air bag sewed up or is bonded on the bottom surface at the end, the conduit on the air bag air inlet is embedded in the air slot, breather check valve is arranged in the conduit;
(5), with the upper of a shoe of sewing it up and the middle end together with the shoe cover of air bag on the shoe last of continuous-upper injection mould, the polyurethane PU expanding foam solution is injected mould, matched moulds, die sinking is taken off to connect and is helped footwear after the curing to be formed;
(6), deburring, outward appearance is handled;
(7), unidirectional air outlet valve is installed in punching in the relevant position of footwear, the end in placing, and carry out footwear the spray decorations, join sign indicating number, packing is handled.
8. make the described method of claim 1, it is characterized in that said method comprising the steps of with polyurethane continuous-upper injection health shoes of ventilation and perspiration functions:
(1), make of the mode of injection mo(u)lding in the end and on air slot and ventilative groove and heel place air feed capsule outstanding push the hole;
(2), use special equipment or instrument to go out ventilative through hole at interior end forward foot in a step metacarpus;
(3), the middle end, be fixed on the mould shoe last or hat block;
(4), sew up movable stay cord at upper of a shoe group pin;
(5), upper of a shoe is enclosed within on the mould shoe last or hat block, during encasing, group's pin, tightens up stay cord at the end;
(6), air bag sewed up or is bonded on the bottom surface at the end, the conduit on the air bag air inlet is embedded in the air slot, breather check valve is arranged in the conduit;
(7), with upper of a shoe and the middle end together with the shoe cover of air bag on the shoe last of continuous-upper injection mould, the polyurethane PU expanding foam solution is injected mould, matched moulds, die sinking is taken off to connect and is helped footwear after the curing to be formed;
(8), deburring, outward appearance is handled;
(9), unidirectional air outlet valve is installed in punching in the relevant position of footwear, the end in placing, and carry out footwear the spray decorations, join sign indicating number, packing is handled.
9. make the described method of claim 1, it is characterized in that said method comprising the steps of with polyurethane continuous-upper injection health shoes of ventilation and perspiration functions:
(1), make of the mode of injection mo(u)lding in the end and on air slot and ventilative groove heel place be provided with the air feed capsule outstanding push the hole;
(2), use special equipment or instrument to go out ventilative through hole at interior end forward foot in a step metacarpus;
(3), air bag sewed up or is bonded on the bottom surface at the end, the conduit on the air bag air inlet is embedded in the air slot, breather check valve is arranged in the conduit;
(4), the middle end and the upper of a shoe method by clip pack is linked together and be fixed on the mould shoe last or hat block;
(5), with the upper of a shoe of sewing it up and the middle end together with the shoe cover of air bag on the shoe last of continuous-upper injection mould, the polyurethane PU expanding foam solution is injected mould, matched moulds, die sinking is taken off to connect and is helped footwear after the curing to be formed;
(6), deburring, outward appearance is handled;
(7), unidirectional air outlet valve is installed in punching in the relevant position of footwear, the end in placing, and carry out footwear the spray decorations, join sign indicating number, packing is handled.
10. make the described method of claim 1, it is characterized in that said method comprising the steps of with polyurethane continuous-upper injection health shoes of ventilation and perspiration functions:
(1), use special equipment or instrument to go out ventilative through hole at interior end forward foot in a step metacarpus;
(2), make of the mode of injection mo(u)lding in the end and air chamber, and connect wireway;
(3), use special equipment or instrument to go out air-vent at middle end forward foot in a step metacarpus, go out at the heel place air feed capsule outstanding push the hole;
(4), the middle end and the upper of a shoe method by clip pack is linked together and be fixed on the mould shoe last or hat block;
(5), pack in the air chamber filler and be fixed in end forward foot in a step metacarpus, on the bottom surface rear heel at the end, connect air chamber and air bag during air bag is sewed up or is bonded in wireway, breather check valve is arranged in the wireway;
(6), the upper of a shoe and the middle end of sewing it up is enclosed within together with air bag, air chamber on the shoe last of continuous-upper injection mould, the polyurethane PU expanding foam solution is injected mould, matched moulds, die sinking is taken off to connect and is helped footwear after the curing to be formed;
(7), deburring, outward appearance is handled;
(8), unidirectional air outlet valve is installed in punching in the relevant position of footwear, the end in placing, and carry out footwear the spray decorations, join sign indicating number, packing is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100977407A CN100423663C (en) | 2006-11-24 | 2006-11-24 | Upper integral polyurethane injection molding health shoes with ventilation and perspiration functions and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100977407A CN100423663C (en) | 2006-11-24 | 2006-11-24 | Upper integral polyurethane injection molding health shoes with ventilation and perspiration functions and preparation process thereof |
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| CN1961769A CN1961769A (en) | 2007-05-16 |
| CN100423663C true CN100423663C (en) | 2008-10-08 |
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| CN2478394Y (en) * | 2001-04-29 | 2002-02-27 | 青岛双星集团公司 | Air-bag type double-vent sport footwear |
| CN2488328Y (en) * | 2001-07-11 | 2002-05-01 | 徐秉玖 | Air bag ventilating sole |
| CN1123303C (en) * | 1998-06-05 | 2003-10-08 | 蔡双珠 | Two-pass integral shaping method for manufacturing inflatable sole |
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2006
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| US5369895A (en) * | 1988-03-05 | 1994-12-06 | Natec Institut Fur Naturwissenschaftlichtechnische Dienste | Plastic shoe with ventilation arrangement |
| CN1123303C (en) * | 1998-06-05 | 2003-10-08 | 蔡双珠 | Two-pass integral shaping method for manufacturing inflatable sole |
| CN2354408Y (en) * | 1998-08-28 | 1999-12-22 | 王维权 | Ventilating shoesole |
| CN2388842Y (en) * | 1999-08-26 | 2000-07-26 | 鼎胜工业股份有限公司 | Structure improved shoe-pad |
| CN2478394Y (en) * | 2001-04-29 | 2002-02-27 | 青岛双星集团公司 | Air-bag type double-vent sport footwear |
| CN2488328Y (en) * | 2001-07-11 | 2002-05-01 | 徐秉玖 | Air bag ventilating sole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013189890A1 (en) * | 2012-06-18 | 2013-12-27 | Basf Se | Valve for an inflatable hose section |
| DE212022000103U1 (en) | 2021-02-07 | 2023-08-16 | Jingdong Technology (Putian) Co., Ltd | Exhaust sole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1961769A (en) | 2007-05-16 |
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Assignee: Zhejiang Xin Xing Shoes Co., Ltd. Assignor: Guan Xingwu Contract record no.: 2011330001129 Denomination of invention: Upper integral polyurethane injection molding health shoes with ventilation and perspiration functions and preparation process thereof Granted publication date: 20081008 License type: Exclusive License Open date: 20070516 Record date: 20110905 |
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