WO2020133663A1 - Semelle intérieure de base en liège et procédé de production et de traitement associé - Google Patents

Semelle intérieure de base en liège et procédé de production et de traitement associé Download PDF

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Publication number
WO2020133663A1
WO2020133663A1 PCT/CN2019/075839 CN2019075839W WO2020133663A1 WO 2020133663 A1 WO2020133663 A1 WO 2020133663A1 CN 2019075839 W CN2019075839 W CN 2019075839W WO 2020133663 A1 WO2020133663 A1 WO 2020133663A1
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WO
WIPO (PCT)
Prior art keywords
cork
base
insole
support area
base layer
Prior art date
Application number
PCT/CN2019/075839
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English (en)
Chinese (zh)
Inventor
龙汝倩
Original Assignee
瑞昌芯迈科技有限公司
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Publication of WO2020133663A1 publication Critical patent/WO2020133663A1/fr

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    • 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
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/10—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined specially adapted for sweaty feet; waterproof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties

Definitions

  • the invention relates to the technical field of insole products, in particular to a cork-based insole and its production and processing method.
  • insoles have a greater impact on the wearing comfort of shoes.
  • a pair of insoles with reasonable thickness design can make the feet healthy and comfortable.
  • the material and manufacturing process of the insole have been greatly developed. It can not only change the internal environment of the shoe, but also change the force distribution of the sole, so if it can be based on the physiological structure of the foot and the space of the shoe cavity Due to the difference in size and the distribution characteristics of the pressure of the sole of the foot when walking, choosing an insole with an appropriate thickness can appropriately improve the comfort of the shoe, reduce the fatigue of wearing, and even reduce the damage to the foot caused by long-term wearing, and have certain foot protection Features.
  • Cork is commonly known as cork, cork, cork, etc. It is a skin processing product of cork oak trees. It has the characteristics of soft texture, elasticity, and not easy to be affected by chemicals. It is commonly used in the manufacture of plugs, mats, and floors. At present, there are also many cork insole products, the main structure of which is made by attaching fabric materials to the surface of the cork base, which has the advantages of light texture, elasticity, comfortable wearing, etc., and is welcomed by users.
  • the cork base mainly uses cork particles (ie cork oak bark particles) as the main raw material, and the function of adding a variety of chemical ingredients Reagents and adhesives to make cork substrates achieve better shaping, pressure resistance, ventilation, dehumidification and other effects, but when users buy cork insole products and during use, these functional reagents and adhesives are harmful Chemical components will gradually radiate outward, and the use environment of the insole is relatively closed and close to the human foot skin.
  • cork particles ie cork oak bark particles
  • the technical problem to be solved by the present invention is how to provide a more environmentally friendly and chemically safe cork-based insole product to better solve the difficulties in the prior art cork insole products Good consideration of the environmental protection and safety performance of products.
  • the present invention adopts the following technical solutions:
  • a cork-based insole includes a base layer and a flexible material layer covering the upper surface of the base layer; the base layer is made of cork particles with an environmentally friendly adhesive and then hot-pressed and cured.
  • the environmentally friendly adhesive uses an environmentally friendly polyurethane adhesive.
  • the base layer is a flat-plate-shaped base structure with a thickness of 1 to 5 mm.
  • the weight ratio of the added amount of the cork particles to the environmentally friendly adhesive is 6:3 to 5.
  • the base layer is a curved base structure, including a heel support area, an arch support area, and a sole support area that are sequentially connected; both sides of the heel support area And the back side are curved upwards to form a semi-enveloping arch, the front side of the heel support area is smoothly transitioned to the rear side of the arch support area; both sides of the arch support area are curved upward to form an arch , And the arch height corresponding to the medial arch area is higher than that corresponding to the lateral arch area, the front side of the arch support area is smoothly transitioned to the sole support area, and the arch height on both sides of the arch support area It gradually decreases from the back to the front, until the foot support area is equal to the edge of the foot support area; in the curved base structure, the thickness of the heel support area, the arch support area, and the foot support area gradually decreases.
  • the added weight ratio of the cork particles to the environmentally friendly adhesive is 7:3 to 5.
  • the present invention also provides the production and processing methods of the above-mentioned flat base structure cork base insoles and curved base structure softwood base insoles; therefore, the present invention adopts the following technical solutions:
  • the production and processing method of the cork base insole with the above flat base structure includes the following steps:
  • the temperature of the preheated flat plate forming mold reaches 240 to 260°C.
  • the method for producing and processing the cork-based insole of the cork-based insole with the curved base structure includes the following steps:
  • the temperature of the preheated curved substrate forming mold reaches 210 to 230°C.
  • the present invention has the following beneficial effects:
  • the cork base insole of the present invention is only made of cork particles through the addition of environmentally friendly adhesives, and is hot-pressed and cured without adding other chemical functional reagents, and the base layer is better guaranteed by the hot-press curing process
  • the molding quality and wearing comfort make the cork-based insoles significantly reduce the harmful chemical components emitted to the skin of the feet during use, so that the cork insole products can take into account the better environmental safety and better meet people's cork insoles. Product health and environmental protection needs.
  • the cork base insole of the present invention can adopt different base layer structure design methods for different uses or suitable shoe types, and the present invention provides a corresponding production and processing method, so that only cork particles and environmentally friendly adhesives are used as Under the condition that the base layer is processed with raw materials, it can better take into account the performance requirements of the cork-based insole products, such as the forming quality, durability and wearing comfort.
  • the cork-based insole of the present invention and its production and processing method have very good market application prospects.
  • FIG. 1 is a schematic view of the bottom structure of the cork-based insoles according to Embodiments 1 and 2 of the present invention.
  • FIG. 2 is a schematic view of a side view of a cork-based insole according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a method for producing and processing a cork-based insole according to an embodiment of the present invention.
  • FIG. 4 is a schematic view of a side view of a cork base insole according to Embodiment 2 of the present invention.
  • FIG. 5 is a three-dimensional structural diagram of a cork-based insole according to Embodiment 2 of the present invention.
  • FIG. 6 is a flow chart of a method for producing and processing a cork-based insole according to Embodiment 2 of the present invention.
  • the invention provides a cork base insole, which includes a base layer and a flexible material layer covering the upper surface of the base layer.
  • the base layer is made of cork particles and an environmentally friendly adhesive after hot pressing and curing.
  • the environmentally friendly adhesive used may be an environmentally friendly and safe adhesive such as an environmentally friendly polyurethane adhesive. In this way, a worthy cork-based insole is produced.
  • the cork base layer is made of cork particles only by adding environmentally friendly adhesives and then hot-pressed and cured, without adding other chemical functional reagents that are harmful to the human body.
  • the cork base insole product made by this process can make the cork base insole products have the unique wearing comfort of the cork base, while ensuring that the cork base insole products are in use
  • the distribution of harmful chemical components to the skin of the foot is greatly reduced, so that the cork insole products can take into account the better environmental protection and safety, and better meet the health and environmental protection needs of people for cork insole products.
  • the cork base insole of the present invention can only use cork particles and environmentally friendly adhesives as its base layer processing raw materials. It is necessary to combine the hot-press curing molding process to better ensure the molding quality and wearing comfort of the base layer. .
  • the structural design of cork-based insoles will be different, and the corresponding processing requirements for hot press curing molding are also different. The following describes the different structural design, production and processing technology of the cork-based insole of the present invention through two embodiments.
  • the cork-based insole of the present invention can be designed as a flat-shaped insole, as shown in FIGS. 1 and 2, that is, the base layer 1 of the insole is designed as a flat-shaped flat-based structure, and the upper surface of the flat-based structure is covered with flexible
  • the material layer 2 can be applied to various footwear such as business leather shoes, casual shoes, sports shoes, etc., to increase the thickness of the sole and increase the wearing comfort.
  • the shape of the wearing surface of different shoe soles is different, and the cork-based insole has certain characteristics of shapeability through the base layer of cork material.
  • the design requirements of the cork-based insole of the flat base structure need to be better after wearing The shape of the wearing surface that fits the soles of different footwear to ensure better wearing comfort.
  • the thickness of the flat base structure should not be too thick; but if it is designed too thin, it is not only not good for improving the wearing comfort, but also only Under the condition of using cork particles and environmentally friendly adhesives as the raw materials for the processing of the base layer, it is difficult to ensure the quality and durability of the base layer.
  • the base layer thickness is preferably designed to be 1 to 5 mm, which is more conducive to ensuring the molding quality and wearing comfort.
  • the thickness of the base layer of the cork base insole with a flat base structure is only designed to be 1 to 5 mm, if the amount of the environmentally friendly adhesive added in the base layer is too low, it is easy to cause insufficient bonding strength and easy breakage of the cork particles. In turn, it affects the quality and durability of hot-press curing molding, but too high an amount of environmentally friendly adhesives will affect the cork base layer's moldability, elasticity, and breathability, etc., which will have a negative impact on wearing comfort. Therefore, in the base layer of the flat base structure, the weight ratio of the added amount of cork particles to the environmentally friendly adhesive is preferably 6:3 to 5.
  • the production and processing method of the cork base insole with flat base structure is shown in Figure 3:
  • a) Mix the cork particles with the environmentally friendly adhesive in a proportion of 6:3 to 5 by weight and weight to obtain a base mixed raw material and add it to the pre-heated flat molding mold.
  • the shape of the cavity of the flat mold is a flat cavity.
  • the flat molding mold needs to be preheated to make the flat molding mold reach the temperature of the hot pressing working condition, that is, 240 to 260°C, so as to ensure the rapid progress of the subsequent hot pressing process.
  • the preheating time of the flat mold can be determined according to the actual processing situation. If it is preheated from room temperature to hot pressing, it usually needs more than 40 minutes to preheat. If the flat mold has been previously hot pressed, it can be pre-processed. Heat for 10 to 20 minutes.
  • the temperature is too high and the hot pressing time is too long, which is likely to cause the base slab Scorch, excessive hot pressing pressure will destroy the cork particle structure and cause the elasticity and supportability of the base layer to be affected, but too low temperature, insufficient hot pressing time, and too low hot pressing pressure make it difficult to ensure the bonding strength and shaping effect of the base layer .
  • the edge trimming process may adopt stamping edge trimming, and may also adopt a cutting machine processing or manual edge trimming.
  • the cork-based insole product with a flat-plate base structure in this embodiment is produced.
  • the cork base insole of the present invention can be designed as an insole with a curved surface structure.
  • the insole bottom view structure is still shown in FIG. 1, and its side and three-dimensional structure views are shown in FIGS. 4 and 5, respectively, that is, the base of the insole.
  • the bottom layer 1 is designed as a curved base structure, and the specific structure of the base layer 1 includes a heel support area 11, a arch support area 12, and a foot support area 13 connected in sequence; both sides and the rear side of the heel support area 11 are upwardly arced
  • the curved shape forms a semi-enveloping arch, and the front side of the heel support area 11 smoothly transitions to the rear side of the arch support area 12; both sides of the arch support area 12 curve upward to form an arch, and correspond
  • the arch height on the side of the medial arch area 121 is higher than the side corresponding to the lateral arch area 122, the anterior side of the arch support area 12 is smoothly transitioned to the sole support area 13, and the arches on both sides of the arch support area 12
  • the lifting height gradually decreases from back to front, until the foot support area 13 is equal to the edge of the foot support area 13; the thickness of the heel support area 11, the arch support area 12, and the foot support area 13 in the curved base structure Gradually reduced; the upper surface of the
  • the cork base layer has a curved supporting structure, which can provide better fit support for the sole of the foot, arch and heel, so as to achieve better support and foot protection, mainly
  • the utility model can be applied to footwear such as business leather shoes and casual shoes, and is used for improving the problem that the wearing surface of the sole is flat and the supporting foot effect is not good.
  • the overall thickness of the base layer can be made thicker.
  • the thickness of the last position of the heel support area can be designed to reach 12-30 mm.
  • the thickness of the front end of the support area can be designed to be between 1 and 5 mm.
  • the amount of environmentally friendly adhesive added in the base layer can be lower, and the weight ratio of cork particles to the amount of environmentally friendly adhesive added is The ratio range of 7:3 ⁇ 5 can better meet the requirements of curing molding quality, durability, supportability and new comfort.
  • the production process of the cork base insole with curved base structure is shown in Figure 6:
  • the cavity shape of the curved base forming mold is a cavity shape matching the curved base structure.
  • the curved base forming mold needs to be preheated to make the curved base forming mold reach the temperature of the hot pressing working condition, that is, 210 to 230 °C, to ensure the rapid progress of the subsequent hot pressing process .
  • the preheating time of the curved base forming mold can be determined according to the actual processing situation. If it is preheated from room temperature to hot pressing, it usually needs more than 40 minutes to preheat. If the curved base forming mold has been previously subjected to the hot pressing process, then It can be preheated for 10-20 minutes before processing.
  • the production of the cork-based insole rough product adopts a process of hot pressing after filling the base mixed raw material in the curved base forming mold and laying the flexible material layer directly for hot pressing.
  • the base mixed raw material is hot-pressed and cured to form a curved heel support area, arch support area, and sole support area; on the other hand, the flexible material layer can be directly shaped and pasted through the hot-pressing process Close on the upper surface of the base layer.
  • the amount of the environmentally friendly adhesive added in the mixed raw materials of the curved substrate structure substrate is relatively low, and it is hot pressed together with the flexible material layer, so the hot pressing process uses a lower
  • the above-mentioned hot pressing temperature, time, and pressure size all need to be controlled more strictly according to the above process, so as to take into account the bonding strength of the base layer and the hot pressing setting quality.
  • the edge trimming process may adopt stamping edge trimming, and may also adopt a cutting machine processing or manual edge trimming.
  • the inventor has tried many experiments, and only adding environmentally friendly adhesives to the cork particles to produce cork insoles is very difficult to produce and process. If too much environmentally friendly adhesives are added, the insoles will not be easy to process and shape. The insole has a heavy texture and cannot maximize the natural moisture absorption and perspiration of cork particles; if the environmental protection adhesive is added too little, it will cause the produced cork insole to have weak bending resistance, unable to meet the basic wearing needs, or even Cork dross is generated. If there is no suitable processing technology and processing parameters, the defective rate/rework rate/ scrap rate caused by the production of insoles will be greatly increased, resulting in waste of resources and labor.
  • the cork-based insoles produced by traditional techniques can withstand normal walking and bending tests (the bending angle is not (Over 45°) The number of times is about 650,000, and the strong bending test with a bending angle exceeding 90° is about 300,000 times.
  • the flat base structure softwood base insole and the curved base structure softwood base insole produced by the above two processing methods of the present invention not only improve the environmental protection and chemical safety of the product, but also undergo a lot of product bending tests.
  • the base structure of the cork base insole product can withstand more than 540,000 times of normal walking bending test (bending angle not exceeding 45°), and the strong bending test of the bending angle exceeding 90° is more than 230,000 times, while the curved base structure of the cork base Insole products can withstand more than 520,000 times of normal walking bending test (bending angle does not exceed 45°), and strong bending test with bending angle exceeding 90° is more than 210,000 times; it is calculated according to the average person walking 5,000 steps per day, wearing for three months
  • the above is no pressure, and it fully meets the normal needs of changing the insole every three months (foot science experts suggest: replace the insole every three months). It can be seen that while the cork-based insole of the present invention better balances environmental protection and chemical safety, it can also well
  • the cork base insole of the present invention only uses cork particles through the addition of environmentally friendly adhesives, and is hot-pressed and cured, without adding other chemical functional reagents, with the help of hot-pressed and cured molding process.
  • the molding quality and wearing comfort of the base layer makes the cork-based insoles significantly reduce harmful chemical components to the skin of the feet during use, so that the cork insole products can take into account better environmental safety and better meet people.
  • the cork-based insole of the present invention can adopt different base layer structure design methods for different uses or suitable shoe types, and the present invention provides corresponding production and processing methods, so that only Under the condition of using cork particles and environmentally friendly adhesives as the raw materials for the base layer processing, it can better take into account the performance requirements of the cork base insole products such as molding quality, durability and wearing comfort, and has a good market application prospect.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Forests & Forestry (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

L'invention concerne une semelle intérieure de base et un procédé de fabrication. La semelle intérieure comprend une couche de base (1) et une couche de matériau souple (2) déposée sur la surface supérieure de la couche de base (1), la couche de base (1) étant formée au moyen de l'ajout d'un adhésif respectueux de l'environnement à des particules de liège et étant ensuite soumise à un pressage à chaud et à un durcissement. La qualité de formation et le confort de port de la couche de base (1) sont garantis au moyen d'un procédé de formation par pressage à chaud et durcissement, de telle sorte que les composants chimiques nocifs émis par la semelle intérieure de base de liège sont fortement réduits, et qu'elle est plus respectueuse de l'environnement et sûre ; et un procédé de traitement correspondant permet d'obtenir la qualité de formation, la durabilité et le confort de port d'un produit de semelle de base en liège, toutes ces caractéristiques étant mieux prises en considération dans des conditions où seules les particules de liège et l'adhésif respectueux de l'environnement sont utilisés comme matière première de la couche de base (1).
PCT/CN2019/075839 2018-12-24 2019-02-22 Semelle intérieure de base en liège et procédé de production et de traitement associé WO2020133663A1 (fr)

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CN201811584813.4 2018-12-24
CN201811584813.4A CN109846138A (zh) 2018-12-24 2018-12-24 一种软木基底鞋垫及其生产加工方法

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WO2020133663A1 true WO2020133663A1 (fr) 2020-07-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110652071A (zh) * 2019-10-25 2020-01-07 佛山市南海全益保健用品科技有限公司 一种高度吻合且透气的鞋垫及其制作方法

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CN2215841Y (zh) * 1995-05-02 1995-12-27 陈洽沧 一种鞋垫
CN1241384A (zh) * 1998-06-26 2000-01-19 陈洽沧 仿软木材质鞋垫的制造方法
CN2450932Y (zh) * 2000-11-06 2001-10-03 刘丙礼 软木鞋垫
EP2030518A1 (fr) * 2007-07-25 2009-03-04 Mucos Korkproduktions Gmbh Semelle de chaussure
EP2468125A1 (fr) * 2010-12-27 2012-06-27 Schuhbert des Rabensteiner, Hubert Semelle intérieure pour chaussure
JP2014028323A (ja) * 2013-11-14 2014-02-13 Murai:Kk 多層構造インソール
CN103876391A (zh) * 2010-08-31 2014-06-25 郑贤雄 多功能鞋垫
CN107141548A (zh) * 2017-06-02 2017-09-08 东莞市楚成橡塑复合材料有限公司 一种发泡鞋垫制备方法
TW201737826A (zh) * 2016-04-22 2017-11-01 Cheng-Han Li 可免於塑膠品焦化製程

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2215841Y (zh) * 1995-05-02 1995-12-27 陈洽沧 一种鞋垫
CN1241384A (zh) * 1998-06-26 2000-01-19 陈洽沧 仿软木材质鞋垫的制造方法
CN2450932Y (zh) * 2000-11-06 2001-10-03 刘丙礼 软木鞋垫
EP2030518A1 (fr) * 2007-07-25 2009-03-04 Mucos Korkproduktions Gmbh Semelle de chaussure
CN103876391A (zh) * 2010-08-31 2014-06-25 郑贤雄 多功能鞋垫
EP2468125A1 (fr) * 2010-12-27 2012-06-27 Schuhbert des Rabensteiner, Hubert Semelle intérieure pour chaussure
JP2014028323A (ja) * 2013-11-14 2014-02-13 Murai:Kk 多層構造インソール
TW201737826A (zh) * 2016-04-22 2017-11-01 Cheng-Han Li 可免於塑膠品焦化製程
CN107141548A (zh) * 2017-06-02 2017-09-08 东莞市楚成橡塑复合材料有限公司 一种发泡鞋垫制备方法

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