Patent Publication Number: US-9888740-B2

Title: Multiply shockproof, hygroscopic and breathable shoe pad and shockproof, hygroscopic and breathable shoe

Description:
CROSS REFERENCE OF RELATED APPLICATION 
     This is a U.S. National Stage under 35 U.S.C 371 of the International Application PCT/CN2014/080527, filed Jun. 23, 2014, which claims priority under 35 U.S.C. 119(a-d) to CN 201320584465.7, filed Sep. 23, 2013. 
     BACKGROUND OF THE PRESENT INVENTION 
     Field of Invention 
     The present invention relates to a technical field of shoe accessories, and more particularly to a multi-ply shockproof, hygroscopic and breathable shoe pad and a shockproof, hygroscopic and breathable shoe. 
     Description of Related Arts 
     Conventional shoe pads or shoes are unable to effectively maintain the dryness, and also unable to exchange air and moisture within the shoes. In spite that there are some improvements on existing shoe pads or shoes, such as magnetizing and medicating, due to no great improvement on the structures of the shoe pads or shoes, the functions which should be possessed, such as sweat absorption, moisture proofing, deodorization and shocking proofing are still unable to simultaneously achieved. 
     SUMMARY OF THE PRESENT INVENTION 
     An object of the present invention is to overcome shortcomings of shoe pads and shoes with single function in the prior arts, for providing a multi-ply shockproof, hygroscopic and breathable shoe pad and a shockproof, hygroscopic and breathable shoe. 
     In order to resolve problems in the prior arts, a technical solution adopted by the present is as follows. 
     The present invention firstly provides a multi-ply shockproof, hygroscopic and breathable shoe pad, which has improvements on that: the shoe pad from bottom to top in succession comprises: 
     a support bottom layer, wherein a plurality of protruding portions are located at a lower end face of the support bottom layer, a plurality of air holes are provided at an upper end face of the support bottom layer, and the protruding portions and the air holes are alternately arranged with each other; 
     an elastic interlayer, wherein a plurality of air holes are provided within the elastic interlayer and an antibacterial deodorant layer is coated on the elastic interlayer; 
     a hygroscopic interlayer, wherein a plurality of air holes are provided within the hygroscopic interlayer and an antibacterial deodorant layer is coated on the hygroscopic interlayer; and 
     a breathable waterproof layer, wherein an antibacterial deodorant layer is coated on the breathable waterproof layer; 
     wherein the support bottom layer, the elastic interlayer, the hygroscopic interlayer and the breathable waterproof layer are successively bonded with each other. 
     The above mentioned technical solution is further explained as follows. 
     Furthermore, the antibacterial deodorant layer contains nanoscale chitosan. 
     Furthermore, the support bottom layer is made of polyurethane, silica gel or rubber. 
     Furthermore, the elastic interlayer is made of elastic sponge or emulsion materials 
     Furthermore, the hygroscopic interlayer is made of cotton cloth, sponge or emulsion materials. 
     Furthermore, the breathable waterproof layer is made of one or more materials selected from textile fabrics, natural leather, non-woven fabrics and synthetic leather. 
     Furthermore, the protruding portions, which are evenly distributed, are located at the lower end face of the support bottom layer. 
     The present invention also provides a shockproof, hygroscopic and breathable shoe, wherein the shoe pad, which is any one of the foregoing shoe pads, is provided within the shockproof, hygroscopic and breathable shoe. 
     Beneficial effects of the present invention are as below. 
     (1) The multi-ply shockproof, hygroscopic and breathable shoe pad, provided by the present invention, comprises a support bottom layer which is provided with a plurality of elastic protruding portions and air holes; an elastic interlayer which is provided with the air holes and is coated with an antibacterial deodorant layer; a hygroscopic interlayer; and a breathable waterproof layer which is coated with an antibacterial deodorant layer, wherein the support bottom layer, the elastic interlayer, the hygroscopic interlayer and the breathable waterproof layer are successively bonded with each other, so as to form an integrated four-layer-structure shoe pad and simultaneously achieve relatively comprehensive functions, such as sweat absorption, moisture proofing, deodorization and shock proofing, which has high degree of comfort and strong practicability. 
     (2) The breathable waterproof layer is made of one or more materials selected from textile fabrics, natural leather, non-woven fabrics and synthetic leather, and applies a technology which imitates lotus leaf surfaces to achieve anti-siphon and no moisture absorption, and moreover, an antibacterial deodorant layer is coated on the breathable waterproof layer for forming an outermost layer of the multi-ply shockproof, hygroscopic and breathable shoe pad. As a result, sweats and moistures of soles and socks are rapidly guided to the elastic interlayer and the hygroscopic interlayer, so as to avoid the dampness of the surface of the shoe pad, for improving the foot dryness of a wearer, thereby resolving the foot wetness from people who have to wear sealing shoes over a long period of time. 
     (3) The antibacterial deodorant layer contains nanoscale chitosan, which applies the most advanced nano-composite technology nowadays to allow the elastic interlayer, the hygroscopic interlayer and the breathable waterproof layer to achieve a lasting antibacterial effect. It is proved that 100% colibacillus is still able to effectively eliminated after washing the antibacterial deodorant layer for 20 times, thus restraining the odor from bacteria. 
     (4) The multi-ply shockproof, hygroscopic and breathable shoe pad has a wide range of applications, is able to be applied to various types of shoes, and also enables these shoes to have a shockproof, hygroscopic and breathable property. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a schematic view of a multi-ply shockproof, hygroscopic and breathable shoe pad according to a preferred embodiment of the present invention. 
         FIG. 2  is an enlarged view of Section A in  FIG. 1 . 
         FIG. 3  is a sectional view of  FIG. 1 . 
     
    
    
     Referring to the drawings, the objectives, functional characteristics and advantages of the present invention are further explained in combination with embodiments. 
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
     The technical solution of the present invention is explained in detail with the accompanying drawings and embodiments, so that the essence of the present invention is more clearly and intuitively understood. 
     Referring to  FIGS. 1, 2 and 3  of the drawings, a multi-ply shockproof, hygroscopic and breathable shoe pad according to a preferred embodiment of the present invention from bottom to top in succession comprises a support bottom layer  1 , an elastic interlayer  2 , a hygroscopic interlayer  3  and a breathable waterproof layer  4 , wherein the support bottom layer  1 , the elastic interlayer  2 , the hygroscopic interlayer  3  and the breathable waterproof layer  4  are successively bonded with each other. 
     Specifically, the support bottom layer  1  is made of polyurethane, silica gel or rubber materials; a plurality of elastic protruding portions  5 , which are evenly distributed, are located at a lower end face of the support bottom layer  1 , a plurality of air holes  6  are provided at an upper end face of the support bottom layer  1 , and the elastic protruding portions  5  and the air holes  6  are alternately arranged with each other; the elastic interlayer  2  is made of elastic sponge or emulsion materials, the evenly distributed air holes  6  are provided within the elastic interlayer  2 , and a first layer of antibacterial deodorant material  71  is coated on the elastic interlayer  2 ; the hygroscopic interlayer  3  is made of cotton cloth, sponge or emulsion materials, a second layer of antibacterial deodorant material  72  is coated on the hygroscopic interlayer  3 , the evenly distributed air holes  6  are also provided within the hygroscopic interlayer  3 , and the air holes within the support bottom layer  1 , the air holes  6  within the elastic interlayer  2  and the air holes  6  within the hygroscopic interlayer  3  have same arrangement positions, so as to form the air holes  6  penetrating through the support bottom layer  1 , the elastic interlayer  2  and the hygroscopic interlayer  3 ; the breathable waterproof layer  4  is made of one or more materials selected from textile fabrics, natural leather, non-woven fabrics and synthetic leather, and applies a technology which imitates lotus leaf surfaces to achieve anti-siphon and no moisture absorption, and moreover, a third layer of antibacterial deodorant material  73  is coated on the breathable waterproof layer  4  for forming an outermost layer of the multi-ply shockproof, hygroscopic and breathable shoe pad. As a result, sweats and moistures of soles and socks are rapidly guided to the elastic interlayer  2  and the hygroscopic interlayer  3 , so as to avoid the dampness of the surface of the shoe pad, for improving the foot dryness of a wearer, thereby resolving the foot wetness from people who have to wear sealing shoes over a long period of time. 
     It should be noted that, the antibacterial deodorant material contains nanoscale chitosan, which applies the most advanced nano-composite technology nowadays to allow the elastic interlayer  2 , the hygroscopic interlayer  3  and the breathable waterproof layer  4  to achieve a lasting antibacterial effect; it is proved that 100% colibacillus is still able to effectively eliminated after washing the first layer of antibacterial deodorant material  71 , the second layer of antibacterial deodorant material  72  and the third layer of antibacterial deodorant material  73  for 20 times, thus restraining the odor from bacteria. 
     The multi-ply shockproof, hygroscopic and breathable shoe pad of the present invention is designed to achieve shockproof, hygroscopic and breathable functions based on various physical characteristics of various materials, allow the heats and sweats of feet to penetrate from the upper breathable waterproof layer  4  for being absorbed by both the elastic interlayer  2  and the hygroscopic interlayer  3  with strong hygroscopicity and breathability, such that no bacteria are bred and no odor is produced; and simultaneously, the support bottom layer  1  with the evenly distributed elastic protruding portions  5  is adopted to evenly disperse physical pressures and is able to adapted for various foot shapes. Therefore, the above mentioned shoe pad keeps the uppermost layer which clings to the instep dry over a long period of time, and greatly improves the comfortableness cooperating with the dispersing shockproof performance of the lowermost layer. 
     The multi-ply shockproof, hygroscopic and breathable shoe pad has a wide range of applications, is adapted for various types of shoes, such as men and women leather shoes, and child&#39;s shoes, so that the pressures and heats from feet while people wearing shoes walk are reduced, thus it is very suitable for people who need long-term walking or standing to use. 
     The embodiment of the present invention described above is exemplary only and not intended to be limiting. The equivalent structures or transformations based on the specification and drawings of the present invention, which are directly or indirectly applied to other related technical fields, are similarly encompassed within the scope protected by the present invention.