Orifice plate type disposable slipper

Abstract

The utility model discloses a perforated plate type disposable slipper, relates to the technical field of disposable slippers, and aims to solve the problems that the sole of the conventional disposable slipper is usually made of EVA (Ethylene Vinyl Acetate), PVC (Polyvinyl Chloride), TPR (Thermoplastic Rubber), point plastic cloth and the like, so that the composition structure is complicated, the manufacturing process is tedious, the cost is high, more than one component exists, and the recycling is inconvenient. An upper is arranged at the front end of the sole, the upper is connected with the sole through hot melting welding, the sole comprises a pore plate layer and a vamp layer, and the vamp layer is arranged on the upper surface of the pore plate layer; the pore plate layer is arranged on the sole, the pore cavities are arranged in the center of the pore plate layer and transversely penetrate through the pore plate, the sole and the upper are both made of PP materials, the bottom surface of the pore plate layer is a plane bottom surface or a wave-shaped bottom surface, the pore cavities are trilateral, quadrilateral or hexagonal, the pore plate layer is made of PP through melt extrusion, and the pore plate layer is made of polypropylene. The vamp layer is made of PP (polypropylene) spunbond non-woven fabric.

Description

Technical Field

[0001] The utility model relates to the technical field of disposable slippers, in particular to a hole plate type disposable slipper. Background Technique

[0002] Slippers are a type of shoes. The back is completely open, only the front has a toe cap, mostly flat soles, and no shoelaces. The materials are often quite light and soft leather, plastic, cloth, etc. Disposable slippers, as common sanitary products in the modern hotel industry, not only provide convenience for guests, but also reflect the hotel's emphasis on hygiene and comfort. The original intention of this kind of slipper design is to allow guests to enjoy a clean and comfortable wearing experience during their stay, avoiding hygiene problems caused by unclean shoes;

[0003] Common disposable slippers in hotels generally have soles made of materials such as PU foam or polyester, and the shoe uppers are made of PP spunbond non-woven fabric, and the two are sewn and connected;

[0004] However, currently, the soles of disposable slippers usually use materials such as EVA, PVC, TPR, and dotted plastic fabrics. The composition structure is complex, the manufacturing process is cumbersome, the cost is high, there is more than one component, and recycling is inconvenient; Therefore, it does not meet the existing needs, and for this reason, we have proposed a single-material hole plate type disposable slipper. Content of the Utility Model

[0005] The purpose of the utility model is to provide a hole plate type disposable slipper to solve the problems mentioned in the above background technique, that is, the soles of disposable slippers usually use materials such as EVA, PVC, TPR, and dotted plastic fabrics, with a complex composition structure, cumbersome manufacturing process, high cost, more than one component, and inconvenient recycling.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A hole plate type disposable slipper, including: a sole, a shoe upper is provided at the front end of the sole, and the shoe upper is connected to the sole by hot melt welding. The sole includes a hole plate layer and a shoe surface layer, and the shoe surface layer is provided on the upper surface of the hole plate layer;

[0007] It further includes:

[0008] Hole cavities, which are provided at the center of the hole plate layer, and the hole cavities penetrate the hole plate layer horizontally, and a plurality of hole cavities are provided.

[0009] Preferably, both the sole and the shoe upper are made of PP material.

[0010] Preferably, the bottom surface of the hole plate layer is a flat bottom surface or a wavy bottom surface.

[0011] Preferably, the cross-section of the hole cavity is a triangle, a quadrilateral, or a hexagon. The triangle can be an equilateral triangle, the quadrilateral can be a rectangle or a rhombus, and the hexagon can be a regular hexagon.

[0012] Preferably, the hole plate layer is made by melt extrusion of PP polypropylene.

[0013] Preferably, the shoe surface layer is made of PP, and the hole plate layer and the shoe surface layer are fixed by hot stamping edge sealing process or hot melt composite process.

[0014] Preferably, the hole cavity is not visible after the shoe surface layer and the hole plate are heat-sealed at the edge.

[0015] Preferably, the sole has a shock-absorbing and buffering effect through the hole plate layer.

[0016] Preferably, the edge dimensions of the hole plate layer and the shoe surface layer are the same.

[0017] Preferably, a preparation process of a disposable slipper with a hole plate includes the following steps:

[0018] Step 1: Put the mixed PP raw materials into the hopper of the screw extruder. Control the screw temperature in the range of 150°C to 230°C, the screw speed in the range of 20 to 120 rpm, and the extrusion pressure in the range of 10 MPa - 40 MPa, so that the raw materials are gradually melted under the push of the screw.

[0019] Step 2: The melt passes through a filter, the filtration pressure is in the range of 2 MPa - 12 MPa, and a metering pump is used for metering, the metering speed is in the range of 10 - 40 rpm. In the die head, the melt is under the action of a certain pressure and is extruded through the die head. The extruded melt is cooled by a cooling device. At this time, a hole plate is obtained. Relying on the spunbond process, a PP spunbond non-woven shoe surface layer is made, and the shoe surface layer is covered on the upper surface of the hole plate. The hole plate and the PP are hot melt compounded together by ultrasonic heat melting or hot stamping to form a laminated structure with multiple composite layers. The composite multi-layer structure is cut into the shape of a sole to obtain a sole.

[0020] Step 3: Make the shoe upper, which is formed by the spunbond process.

[0021] Step 4: The sole and the shoe upper are fixed by ultrasonic heat melting or hot stamping to obtain a disposable slipper.

[0022] Compared with the prior art, the beneficial effects of the present utility model are:

[0023] The utility model is characterized in that several cavities are arranged inside the orifice plate. The cavities penetrate the orifice plate horizontally and are open at both ends. The orifice plate and the cavities form a sole. The horizontal penetration form facilitates bending during use by the personnel and also facilitates bending and carrying. The overall weight is light, improving the carrying convenience and use comfort. It has a certain shock absorption and buffering effect. The cavities are in the shape of rectangle and rhombus, both having shock absorption and ventilation effects. And the bottom surface of the orifice plate has two forms: flat and wavy. When the wavy form is adopted and the wavy direction is the same as that of the cavities, it has a self-slip effect, improving the safety of wearing and walking. The sole and the shoe upper are made of the same material. The PP material does not absorb water, and the shoe upper repels water and can dry quickly after being wetted. The shoe upper is formed by a spunbond process, while the orifice plate layer is made by melting and extruding PP polypropylene. The sole and the shoe upper are connected by hot melt welding, thus forming a disposable slipper. The materials and processes are simple, the cost is low, it is convenient to manufacture, improving the production convenience, and the recycling is environmentally friendly and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Fig. is a schematic structural view of a slipper with a hot melt composite process according to the utility model;

[0025] Figure 2 Fig. is a schematic sectional structural view of a slipper with a hot melt composite process according to the utility model;

[0026] Figure 3 Fig. is a schematic structural view of a slipper with a hot pressing and edge sealing process according to the utility model;

[0027] Figure 4 Fig. is a schematic sectional structural view of a slipper with a hot pressing and edge sealing process according to the utility model;

[0028] Figure 5 Fig. is a schematic sectional structural view of a slipper with a hot melt composite process, where the bottom surface of the sole is flat and the cavity is rectangular according to the utility model;

[0029] Figure 6 Fig. is a schematic sectional structural view of a slipper with a hot melt composite process, where the bottom surface of the sole is flat and the cavity is rhombic according to the utility model;

[0030] Figure 7 Fig. is a schematic sectional structural view of a slipper with a hot melt composite process, where the bottom surface of the sole is wavy and the cavity is rhombic according to the utility model;

[0031] In the figures: 1, sole; 2, shoe upper; 3, cavity; 4, orifice plate layer; 5, shoe surface layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0033] Example 1

[0034] Please refer to Figure 3 、 4 , an embodiment provided by the present utility model: a perforated disposable slipper, comprising: a sole 1, a shoe upper 2 is provided at the front end of the sole 1, and the shoe upper 2 is connected to the sole 1 by hot melt welding. The sole 1 includes a perforated plate layer 4 and a shoe surface layer 5, and the shoe surface layer 5 is disposed on the upper surface of the perforated plate layer 4;

[0035] It further includes:

[0036] A hole cavity 3 is provided at the center of the perforated plate layer 4, and the hole cavity 3 transversely penetrates the perforated plate layer 4. A plurality of hole cavities 3 are provided. The bottom surface of the perforated plate layer 4 is a wavy bottom surface, and the hole cavity 3 is rectangular.

[0037] The hole cavity 3 enables the perforated plate layer 4 to have a certain shock absorption and buffering effect. When adopting a wavy shape, the wavy shape is in the same direction as the hole cavity, which has a self-slip effect and improves the safety of wearing and walking.

[0038] Furthermore, both the sole 1 and the shoe upper 2 are made of PP material, and the same material is convenient for recycling.

[0039] Furthermore, the perforated plate layer 4 is made by melting and extruding PP polypropylene, and the shoe surface layer 5 is made of PP spunbond non-woven fabric. The perforated plate layer 4 and the shoe surface layer 5 are fixed by a hot pressing and sealing process, thereby forming a disposable slipper. The materials and processes are simple, the cost is low, it is convenient for production, the production convenience is improved, and the recycling is environmentally friendly and fast.

[0040] A preparation process of a perforated disposable slipper includes the following steps:

[0041] Step 1: Put the mixed PP raw materials into the hopper of the screw extruder. The temperature of the screw is controlled in the range of 150°C to 230°C, the screw speed is in the range of 20 to 120 rpm, and the extrusion pressure is in the range of 10 MPa - 40 MPa, so that the raw materials are gradually melted under the push of the screw;

[0042] Step 2: The melt passes through a filter, the filtration pressure is in the range of 2 MPa - 12 MPa, and a metering pump is used for metering. The metering speed is in the range of 10 to 40 rpm. In the die head, the melt is under the action of a certain pressure and is extruded through the die head. The extruded melt is cooled by a cooling device. At this time, a perforated plate is obtained. Relying on the spunbond process, a PP spunbond non-woven shoe surface layer is made, the shoe surface layer is covered on the upper surface of the perforated plate, and the perforated plate and PP are thermally fused together by ultrasonic heat melting or hot pressing to form a laminated structure with multiple composite layers. The composite multi-layer structure is cut into the shape of a sole to obtain a sole;

[0043] Step 3: Make the shoe upper, which is formed by the spunbond process;

[0044] Step 4: The sole and the upper are fixed by ultrasonic hot pressing to obtain a disposable slipper.

[0045] Embodiment 2

[0046] Please refer to Figure 1 、 2 As shown in

[0047] and

[0048] a kind of disposable slipper with a hole plate type provided by the utility model, comprising: a sole 1, a front end of the sole 1 is provided with an upper 2, and the upper 2 is connected to the sole 1 by hot melt welding. The sole 1 includes a hole plate layer 4 and a shoe surface layer 5, and the shoe surface layer 5 is arranged on an upper surface of the hole plate layer 4;

[0049] It further includes:

[0050] a hole cavity 3, which is arranged at a center of the hole plate layer 4, and the hole cavity 3 horizontally penetrates through the hole plate layer 4. A plurality of hole cavities 3 are provided. A bottom surface of the hole plate layer 4 is a wavy bottom surface, and the hole cavity 3 is square.

[0051] The hole plate layer 4 and the hole cavity 3 form the sole. The hole cavity 3 horizontally penetrates through the hole plate layer 4, having a certain shock absorption and buffering effect, and facilitating bending when a person uses it, and also facilitating bending and carrying. The overall weight is light, improving the carrying convenience and use comfort.

[0052] Embodiment 3

[0053] Please refer to Figure 5 As shown in

[0054] and

[0055] a kind of disposable slipper with a hole plate type provided by the utility model, comprising: a sole 1, a front end of the sole 1 is provided with an upper 2, and the upper 2 is connected to the sole 1 by hot melt welding. The sole 1 includes a hole plate layer 4 and a shoe surface layer 5, and the shoe surface layer 5 is arranged on an upper surface of the hole plate layer 4;

[0056] The orifice plate layer 4 and the orifice cavity 3 form the sole. The orifice cavity 3 runs through the orifice plate layer 4 horizontally, having a certain shock absorption and buffering effect, and facilitating bending when in use by the user. It is also convenient for bending and carrying. The overall weight is light, improving the convenience of carrying and the comfort of use.

[0057] Furthermore, both the sole 1 and the shoe upper 2 are made of PP material. The same material is convenient for recycling.

[0058] Furthermore, the orifice plate layer 4 and the shoe upper 2 are both made by melt extrusion of PP polypropylene. The shoe surface layer 5 is made of PP. The orifice plate layer 4 and the shoe surface layer 5 are fixed by a hot melt composite process. The materials and processes are simple, the cost is low, it is convenient for manufacturing, improving the convenience of production, and the recycling is environmentally friendly and fast.

[0059] Embodiment 4

[0060] Furthermore, an embodiment provided by the present utility model: a disposable orifice plate type slipper, comprising: a sole 1, a shoe upper 2 is provided at the front end of the sole 1, and the shoe upper 2 is connected to the sole 1 by hot melt welding. The sole 1 includes an orifice plate layer 4 and a shoe surface layer 5, and the shoe surface layer 5 is disposed on the upper surface of the orifice plate layer 4;

[0061] It further includes:

[0062] Orifice cavities 3, which are disposed at the center of the orifice plate layer 4, and the orifice cavities 3 run through the orifice plate layer 4 horizontally. A plurality of orifice cavities 3 are provided. The bottom surface of the orifice plate layer 4 is a flat bottom surface, and the orifice cavities 3 are rhombic. The rhombic orifice cavities 3 have a buffering effect, improving the wearing comfort.

[0063] Furthermore, both the sole 1 and the shoe upper 2 are made of PP material. The same material is convenient for recycling.

[0064] Furthermore, the orifice plate layer 4 is made by melt extrusion of PP polypropylene, the shoe surface layer 5 is made of PP spunbond non-woven fabric, the orifice plate layer 4 and the shoe surface layer 5 are fixed by a hot melt composite process. The sole 1 and the shoe upper 2 are made of the same material. The orifice plate layer 4 and the shoe upper 2 are both made by melt extrusion of PP polypropylene. The sole 1 and the shoe upper 2 are then connected by hot melt welding, thus forming a disposable slipper. The materials and processes are simple, the cost is low, it is convenient for manufacturing, improving the convenience of production, and the recycling is environmentally friendly and fast.

[0065] Embodiment 5

[0066] Furthermore, an embodiment provided by the present utility model: a disposable orifice plate type slipper, comprising: a sole 1, a shoe upper 2 is provided at the front end of the sole 1, and the shoe upper 2 is connected to the sole 1 by hot melt welding. The sole 1 includes an orifice plate layer 4 and a shoe surface layer 5, and the shoe surface layer 5 is disposed on the upper surface of the orifice plate layer 4;

[0067] It further includes:

[0068] The hole cavity 3 is arranged at the center of the hole plate layer 4, and the hole cavity 3 runs through the hole plate layer 4 horizontally. There are several hole cavities 3. The bottom surface of the hole plate layer 4 is a wavy bottom surface, and the hole cavity 3 is diamond-shaped. The hole cavity 3 runs through the hole plate layer 4 horizontally, having a certain shock absorption and buffering effect, and being convenient for bending when used by personnel, and also convenient for bending and carrying, improving the carrying convenience and use comfort. Moreover, the anti-slip property is improved through the wavy bottom surface, enhancing the safety of personnel during use.

[0069] Furthermore, both the sole 1 and the shoe upper 2 are made of PP material, and the same material is convenient for recycling.

[0070] Furthermore, the hole plate layer 4 is made by melt extrusion of PP polypropylene, the shoe surface layer 5 is made of PP spunbond non-woven fabric, the hole plate layer 4 and the shoe surface layer 5 are fixed by a hot melt composite process, the sole 1 and the shoe upper 2 are made of the same material, the hole plate layer 4 and the shoe upper 2 are both made by melt extrusion of PP polypropylene, and the sole 1 and the shoe upper 2 are connected by hot melt welding, thus forming a disposable slipper. The materials and processes are simple, the cost is low, it is convenient to manufacture, improving the production convenience, and the recycling is environmentally friendly and fast.

[0071] A preparation process for a hole plate type disposable slipper includes the following steps:

[0072] Step 1: Put the mixed PP raw materials into the hopper of the screw extruder. The screw temperature is controlled in the range of 150°C to 230°C, the screw speed is in the range of 20 to 120 rpm, and the extrusion pressure is in the range of 10 MPa - 40 MPa, so that the raw materials are gradually melted under the push of the screw.

[0073] Step 2: The melt passes through a filter, the filtration pressure is in the range of 2 MPa - 12 MPa, and a metering pump is used for metering, the metering speed is in the range of 10 to 40 rpm. In the die head, the melt is under the action of a certain pressure and is extruded through the die head. The extruded melt is cooled by a cooling device. At this time, a hole plate is obtained. Relying on the spunbond process, a PP spunbond non-woven shoe surface layer is made, and the shoe surface layer is covered on the upper surface of the hole plate. The hole plate and the PP are hot melt compounded together by ultrasonic hot melt or hot pressing to form a laminated structure with multiple composite layers. The composite multi-layer structure is cut into the shape of the sole to obtain the sole.

[0074] Step 3: Make the shoe upper, which is formed by the spunbond process.

[0075] Step 4: The sole and the shoe upper are fixed by ultrasonic hot melt to obtain a disposable slipper.

[0076] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A perforated plate type disposable slipper, comprising a sole (1), a shoe upper (2) is provided at the front end of the sole (1), and the shoe upper (2) is connected to the sole (1) by hot melt welding. The sole (1) comprises a perforated plate layer (4) and a shoe surface layer (5), and the shoe surface layer (5) is disposed on the upper surface of the perforated plate layer (4). It is characterized in that: Further comprising: A cavity (3) is disposed at the center of the perforated plate layer (4), and the cavity (3) laterally penetrates the perforated plate layer (4). Both ends of the cavity (3) are in an open form. A plurality of cavities (3) are provided. Both the sole (1) and the shoe upper (2) are made of PP material. The bottom surface of the perforated plate layer (4) is a flat bottom surface or a wavy bottom surface. The cross section of the cavity (3) is a triangle, a quadrilateral, or a hexagon. The perforated plate layer (4) is made by melting and extruding PP polypropylene. The shoe surface layer (5) is made of PP spunbond non-woven fabric. The perforated plate layer (4) and the shoe surface layer (5) are fixed by a hot pressing edge sealing process or a hot melt composite process. The cavity (3) is not visible after the shoe surface layer (5) and the perforated plate layer (4) are hot melt sealed at the edge.

2. The disposable slipper of the orifice plate type according to claim 1, wherein: The sole (1) has a shock absorption and buffering effect through the perforated plate layer (4).

3. The disposable slipper of the orifice plate type according to claim 2, wherein: The edge dimensions of the perforated plate layer (4) and the shoe surface layer (5) are the same.

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