Curved-forming hollow object

Abstract

A hollow body system is composed of an upper surface, a lower surface and a side surface, and comprises one or more hollow units, the plurality of hollow units are controllably filled with fluid and expand, each of the plurality of hollow units is directly adjacent to at least one other of the plurality of hollow units, and when each of the hollow units is filled with fluid and expands, each of the hollow units is filled with fluid. And each hollow unit, at least another one of the plurality of adjacent hollow units and a curved plate with a preset curvature jointly form a hollow structure with a curved surface. Furthermore, a hollow object combination comprises a plurality of hollow objects, any two of the plurality of hollow objects are adjacent to each other, but the plurality of hollow objects are not communicated with each other, and when the plurality of hollow objects are respectively filled with fluid and bent, the plurality of hollow objects are combined with a curved plate with a preset curvature, and a hollow structure with one or more curved surface curvatures is formed.

Description

Technical Field

[0001] The present invention relates to a sole structure; in particular, it refers to a hollow object that can form a curved surface for manufacturing a sole structure. Background Art

[0002] Generally, a sole structure is usually made of a foaming material by injection molding. However, limited by the mold structure of injection molding, a general sole structure can only have a fixed curved surface and cannot adjust the curvature of the curved surface of the sole structure according to the needs of the user.

[0003] For example, since a general sole structure has a fixed curved surface, when a user needs to adjust the curvature of the curved surface of the sole structure, the user can only line an additional insole with the required curved surface curvature on the existing sole structure to meet the user's need for the curvature of the curved surface of the sole structure.

[0004] In addition, the existing inflatable air-cushion sole structure is the same as the above-mentioned general foaming sole structure, only having a fixed curved surface, and the user cannot adjust the curvature of the curved surface of the air-cushion sole structure according to the need. Therefore, when a user needs to adjust the curvature of the curved surface of the air-cushion sole structure, the user can only line an additional insole with the required curved surface curvature on the existing air-cushion sole structure to meet the user's need for the curvature of the curved surface of the air-cushion sole structure.

[0005] In summary, since the existing general sole structure and air-cushion sole structure cannot adjust the curvature of the curved surface of their sole structures according to the user's needs, there is an urgent need for a novel hollow object that can form a curved surface for manufacturing a sole structure, so that the user can adjust the curvature of the curved surface of the hollow object according to the need, and further meet the user's need for the curvature of the curved surface of the sole structure. Summary of the Invention

[0006] In view of this, an object of the present invention is to provide a hollow object that can form a curved surface and can be used to manufacture a sole structure. The hollow object provided by the present invention can be injected with a fluid, and by combining with a curved panel with a preset curvature, the hollow object can form a hollow structure with a curved surface, and the elasticity and hardness of the hollow object can be further adjusted by the amount of fluid injected.

[0007] To achieve the above object, a hollow object provided by the present invention is composed of an upper surface, a lower surface and a side surface, and includes at least one hollow unit. A curved panel with a preset curvature and at least one of the hollow units and at least another of the adjacent multiple hollow units form a hollow structure with a curved surface; the hollow object includes a plurality of hollow units, and the plurality of hollow units can be controllably filled with fluid and expanded. Each of the hollow units is directly adjacent to at least another of the plurality of hollow units. When each of the hollow units is filled with fluid and expanded, the elasticity and hardness of the hollow object can be further adjusted; the hollow object is used to make a sole of a foot sole part, wherein each of the hollow units in the hollow object as the foot sole part extends in a first direction from a heel part of the sole to the foot sole part, and each of the hollow units is arranged parallel to each other in a second direction perpendicular to the first direction to form a sole structure capable of continuous transmission.

[0008] Another object of the present invention is to provide a combination of hollow objects, including a plurality of hollow objects as described above. Any two of the plurality of hollow objects are adjacent to each other, but the plurality of hollow objects are not connected to each other. When the plurality of hollow objects are filled with fluid and bent respectively, the curved surfaces of the plurality of hollow objects have one or more curved surface curvatures; the hollow object is used to make a sole of a foot sole part, wherein each of the hollow units in the hollow object as the foot sole part extends in a first direction from a heel part of the sole to the foot sole part, and each of the hollow units is arranged parallel to each other in a second direction perpendicular to the first direction to form a sole structure capable of continuous transmission.

[0009] The effect of the present invention is that the hollow object provided by the present invention can be combined with a curved panel with a preset curvature to form a curved surface of the hollow object, and the elasticity and hardness of the hollow object can be further adjusted by the amount of fluid injected. Accordingly, when the hollow object provided by the present invention is used to make a sole structure, the user can adjust the curved surface curvature of the hollow object according to the needs, and then adjust the curved surface curvature of the made sole structure. When the user wears a shoe made with the hollow object as the sole, during the user's walking process, the curved surface structure formed by the hollow object will produce a rolling-like motion mode. For example, when the user walks, the hollow units of the hollow object will sequentially contact or approach the ground, producing an effect similar to the contact between the tread blocks of a tire and the ground when the tire rolls. The rebounding force generated after the hollow object is compressed will, due to the forward movement of the curvature center point (see Figure 12 ), generate an eccentric moment, and then produce a forward propulsion effect on the sole. Therefore, the rolling-like motion mode produced by the hollow object utilizes the principle that when a tire rolls, a rolling torque is generated on the tire through the generated eccentric moment, so as to effectively reduce the frictional resistance when the user walks, and further provide the user with a relatively light and labor-saving walking experience. Brief Description of the Drawings

[0010] Figure 1 A side view of the hollow object in the first embodiment of the present invention, where the hollow object has not been filled with fluid.

[0011] Figure 2 A side view of the hollow object in the first embodiment of the present invention, where the hollow object has been filled with fluid and expanded, and a curved surface is generated.

[0012] Figure 3 A side view of the hollow object in the first embodiment of the present invention, where the hollow object has been filled with fluid and adheres to a curved surface body to generate a curved surface.

[0013] Figure 4 A side view of the hollow object in the second embodiment of the present invention, where the hollow object has not been filled with fluid.

[0014] Figure 5 A side view of the hollow object in the second embodiment of the present invention, where the hollow object has been filled with fluid and expanded, and a curved surface is generated.

[0015] Figure 6 A side view of the combination of hollow objects in the third embodiment of the present invention.

[0016] Figure 7A A three-dimensional side view of the hollow object in the fourth embodiment of the present invention.

[0017] Figure 7B A bottom view of the hollow object in the fourth embodiment of the present invention.

[0018] Figure 7C A front view of the hollow object in the fourth embodiment of the present invention.

[0019] Figure 8A A three-dimensional view of the hollow object in the fifth embodiment of the present invention.

[0020] Figure 8B A three-dimensional view of the hollow object in the fifth embodiment of the present invention, where a curved surface body adheres to the upper surface of the hollow object.

[0021] Figure 9A A three-dimensional view of the hollow object in the sixth embodiment of the present invention.

[0022] Figure 9B A three-dimensional view of the hollow object in the sixth embodiment of the present invention, where a curved surface body adheres to the upper surface of the hollow object.

[0023] Figure 10A A three-dimensional view of the hollow object in the seventh embodiment of the present invention.

[0024] Figure 10B A perspective view of the hollow object according to the seventh embodiment of the present invention, wherein a curved surface is attached to the lower surface of the hollow object.

[0025] Figure 11A A perspective side view of the curved body according to the eighth embodiment of the present invention.

[0026] Figure 11B A bottom view of the curved body according to the eighth embodiment of the present invention.

[0027] Figure 11C is Figure 11B a cross-sectional view.

[0028] Figure 12 A schematic diagram for explaining that after the tire contacts the ground and is compressed, an eccentric moment is generated due to the forward movement of the curvature center point.

[0029] Figure 13 A cross-sectional view of the curved body with a preset curvature according to the present invention, which can have different thicknesses in different regions.

[0030] Figure 14 A side view of the hollow object according to the ninth embodiment of the present invention, wherein the hollow object is filled with fluid, and a curved body is attached to its upper surface to generate a curved surface, and a reinforcing support structure is formed on its lower surface with a third material.

[0031] Figure 15 A side view of the hollow object according to the tenth embodiment of the present invention, wherein the hollow object is filled with fluid, and a curved body is attached to its upper surface to generate a curved surface, and a reinforcing support structure is formed between its lower surface and upper surface with a third material. Detailed implementation manners

[0032] To more clearly illustrate the present invention, preferred embodiments are given below and described in detail with reference to the accompanying drawings. Please refer to Figure 1 and Figure 2 shown in Figure 1 A side view of the hollow object 1a according to the first embodiment of the present invention, wherein the hollow object 1a is not filled with fluid; Figure 2 A side view of the hollow object 1b according to the first embodiment of the present invention, wherein the hollow object 1b is filled with fluid and expands, and a curved surface is generated.

[0033] In Figure 1In it, the hollow object 1a includes a plurality of hollow units 12, 14, 16, 18, which are used to form a curved surface. The plurality of hollow units 12, 14, 16, 18 can be controllably filled with fluid and expanded, and each of the hollow units 12, 14, 16, 18 is directly adjacent to at least another one of the plurality of hollow units 12, 14, 16, 18; for example, the hollow unit 12 is directly adjacent to the hollow unit 14, the hollow unit 14 is directly adjacent to the hollow unit 16, and the hollow unit 16 is directly adjacent to the hollow unit 18. In the first embodiment of the present invention, the fluid can be, for example, a gas or a liquid.

[0034] When each of the hollow units 12, 14, 16, 18 is filled with fluid and expanded, each of the hollow units 12, 14, 16, 18 and at least another one of the adjacent plurality of hollow units 12, 14, 16, 18 form the curved surface, as Figure 2 shown.

[0035] In the first embodiment of the present invention, before each of the hollow units 12, 14, 16, 18 is filled with fluid and expanded, each of the hollow units 12, 14, 16, 18 and at least another one of the adjacent plurality of hollow units 12, 14, 16, 18 form a flat surface, as Figure 1 shown.

[0036] In the first embodiment of the present invention, the plurality of hollow units 12, 14, 16, 18 are respectively a polyhedron. Taking the polyhedrons 14, 16 as an example, the polyhedrons 14, 16 have a bearing surface 142, 162, and the bearing surface 142 of the polyhedron 14 is directly adjacent to the bearing surface 162 of at least another one 16 of the plurality of polyhedrons. When each of the polyhedrons 14, 16 is filled with fluid and expanded, the included angle between the bearing surface 142 of the polyhedron 14 and the bearing surface 162 of at least another one 16 of the adjacent plurality of polyhedrons decreases (θ2 < θ1) to form the curved surface.

[0037] As Figure 1 shown, before each of the polyhedrons 14, 16 is filled with fluid and expanded, the bearing surface 142 of the polyhedron 14 and the bearing surface 162 of at least another one 16 of the adjacent plurality of polyhedrons have the maximum included angle θ1, and form a flat surface. In the first embodiment of the present invention, the maximum included angle θ1 is a flat angle (180°).

[0038] As Figure 1 and Figure 2As shown, the polyhedron 14 has at least one abutting surface 144 adjacent to the bearing surface 142, the polyhedron 16 has at least one abutting surface 164 adjacent to the bearing surface 162, and when the bearing surface 142 of each polyhedron 14 is directly adjacent to the bearing surface 162 of at least another one 16 of the plurality of polyhedra, the abutting surface 144 of the polyhedron 14 and the abutting surface 164 of at least another one 16 of the plurality of polyhedra face each other and are in direct contact. When each of the polyhedra 14 and 16 is filled with fluid and expands, the abutting surface 144 of the polyhedron 14 and the abutting surface 164 of at least another one 16 of the adjacent polyhedra abut against each other, so that the two bearing surfaces 142 and 162 form a smaller included angle θ2; specifically, when each of the polyhedra 14 and 16 is filled with fluid and expands, the polyhedra 14 and 16 take the connection of the two adjacent bearing surfaces 142 and 162 as the pivot axis, so that the included angle between the two bearing surfaces decreases (θ2 < θ1) to form the curved surface.

[0039] In the first embodiment of the present invention, one 18 of the plurality of hollow units has a filling hole 11 for filling fluid into the hollow unit 18, and the hollow units 12, 14, 16, and 18 communicate with each other. When each of the hollow units 12, 14, 16, and 18 is filled with fluid, the same fluid pressure exists in each of the hollow units 12, 14, 16, and 18. In other words, if the configurations of the hollow units 12, 14, 16, and 18 are exactly the same and expand due to the filling of fluid, the included angle between the bearing surface of the hollow unit 12 and the bearing surface of the hollow unit 14, the included angle between the bearing surface of the hollow unit 14 and the bearing surface of the hollow unit 16, and the included angle between the bearing surface of the hollow unit 16 and the bearing surface of the hollow unit 18 will be approximately the same.

[0040] Please refer to Figure 3 as shown Figure 3 is a side view of the hollow object 1c in the first embodiment of the present invention, where the hollow object 1c is filled with fluid and adheres to a curved surface body C to generate a curved surface. The hollow object 1c has a plurality of hollow units, and the hollow units 14 and 16 are taken as examples for illustration. In Figure 3In it, after the hollow object 1c is filled with fluid, it adheres to the curved surface body C, thereby generating a curved surface. Among them, the pushing surface 144 of the hollow unit 14 and the pushing surface 164 of the hollow unit 16 face each other and do not push against each other; the curved surface body C can be, for example, a rigid curved panel, such as a carbon fiber composite curved panel. In the embodiment of the present invention, the hollow object 1c can also be first attached to the curved surface body C, and after generating a curved surface, the fluid is filled in the hollow object 1c. It is worth mentioning that when the hollow units 14 and 16 are squeezed by an external force (such as foot trampling force), the hollow units 14 and 16 will be deformed by the extrusion, and the pushing surface 144 of the hollow unit 14 and the pushing surface 164 of the hollow unit 16 will push against each other, thereby forming a curved surface support structure with a buffering function to support and strengthen the curved surface body C, and further improve the overall mechanical properties of the hollow object 1c.

[0041] Please refer to Figure 3 and Figure 12 as shown in Figure 12 It is a schematic diagram for explaining that after the tire W contacts the ground G and is compressed, an eccentric moment T is generated due to the forward movement of the curvature center point RC; when the user wears shoes made with the hollow objects 1b and 1c as soles, during the walking process of the user, the curved surface structure formed by the hollow objects 1b and 1c will produce a rolling-like motion mode. For example, when the user walks, the hollow units 12, 14, 16, and 18 of the hollow object 1b will sequentially contact or approach the ground, producing an effect similar to the contact between the tread blocks of the tire W and the ground G when the tire W rolls (as Figure 12 shown). The rebound force F generated after the tire W contacts the ground G and is compressed will generate an eccentric moment T due to the forward movement of the curvature center point RC, thereby causing the tire W to produce a forward rolling and advancing effect; similarly, the rebound force generated after the hollow object 1b contacts the ground and is compressed will generate an eccentric moment due to the forward movement of the curvature center point, thereby generating a forward advancing effect on the sole. Therefore, the rolling-like motion mode generated by the hollow objects 1b and 1c utilizes the principle that when the tire W rolls, the rolling torque is generated on the tire W through the generated eccentric moment T, so as to effectively reduce the frictional resistance when the user walks, and further provide the user with a relatively light and labor-saving walking experience.

[0042] Please refer to Figure 4 and Figure 5 as shown in Figure 4 It is a side view of the hollow object 2a in the second embodiment of the present invention, where the hollow object 2a has not been filled with fluid; Figure 5 It is a side view of the hollow object 2b in the second embodiment of the present invention, where the hollow object 2b has been filled with fluid and expanded, and a curved surface is generated.

[0043] In Figure 4In [the present invention], the hollow object 2a includes a plurality of hollow units 22, 24, 26, 28, which are used to form a curved surface. The plurality of hollow units 22, 24, 26, 28 can be controllably filled with fluid and expanded, and each of the hollow units 22, 24, 26, 28 is directly adjacent to at least another one of the plurality of hollow units 22, 24, 26, 28; for example, the hollow unit 22 is directly adjacent to the hollow unit 24, the hollow unit 24 is directly adjacent to the hollow unit 26, and the hollow unit 26 is directly adjacent to the hollow unit 28. In the second embodiment of the present invention, the fluid can be, for example, a gas or a liquid.

[0044] When each of the hollow units 22, 24, 26, 28 is filled with fluid and expanded, each of the hollow units 22, 24, 26, 28 and at least another one of the adjacent plurality of hollow units 22, 24, 26, 28 form the curved surface, as Figure 5 shown.

[0045] In the second embodiment of the present invention, before each of the hollow units 22, 24, 26, 28 is filled with fluid and expanded, each of the hollow units 22, 24, 26, 28 and at least another one of the adjacent plurality of hollow units 22, 24, 26, 28 form a flat surface, as Figure 4 shown.

[0046] In the second embodiment of the present invention, the plurality of hollow units 22, 24, 26, 28 are respectively a polyhedron. Taking the polyhedrons 22, 24, 26, 28 as an example, the polyhedrons 22, 24, 26, 28 have a bearing surface 222, 242, 262, 282, and the bearing surface 222 of the polyhedron 22 is directly adjacent to the bearing surface 242 of at least another one of the plurality of polyhedrons 24; the bearing surface 242 of the polyhedron 24 is directly adjacent to the bearing surface 262 of at least another one of the plurality of polyhedrons 26; the bearing surface 262 of the polyhedron 26 is directly adjacent to the bearing surface 282 of at least another one of the plurality of polyhedrons 28. When each of the polyhedrons 22, 24, 26, 28 is filled with fluid and expanded, the bearing surface 222 of the polyhedron 22 and the bearing surface 242 of at least another one of the adjacent plurality of polyhedrons 24 have an included angle θ3; the bearing surface 242 of the polyhedron 24 and the bearing surface 262 of at least another one of the adjacent plurality of polyhedrons 26 have an included angle θ4; the bearing surface 262 of the polyhedron 26 and the bearing surface 282 of at least another one of the adjacent plurality of polyhedrons 28 have an included angle θ5. In the second embodiment of the present invention, the included angles θ3, θ4, θ5 can be the same as or different from each other.

[0047] In the second embodiment of the present invention, each of the hollow units 22, 24, 26, 28 has a filling hole 21a, 21b, 21c, 21d respectively. Each of the filling holes 21a, 21b, 21c, 21d is used to fill fluid into each of the hollow units 22, 24, 26, 28 respectively, so that the plurality of hollow units 22, 24, 26, 28 have one or more fluid pressures. When the fluid pressures in the plurality of hollow units 22, 24, 26, 28 are different, the angles θ3, θ4, θ5 are different from each other. Therefore, the user can adjust the angles θ3, θ4, θ5 between the bearing surfaces 222, 242, 262, 282 of the plurality of hollow units 22, 24, 26, 28 by regulating the fluid pressures in the plurality of hollow units 22, 24, 26, 28.

[0048] Please refer to Figure 5 and Figure 12 as shown in Figure 12 FIG. It is a schematic diagram for explaining that when the tire W contacts the ground G and is compressed, an eccentric moment T is generated due to the forward movement of the curvature center point RC; when the user wears shoes made with the hollow object 2b as the sole, during the walking process of the user, the curved surface structure formed by the hollow object 2b will generate a rolling-like motion mode. For example, when the user walks, the hollow units 22, 24, 26, 28 of the hollow object 2b will sequentially contact or approach the ground, producing an effect similar to the contact between the tread blocks of the tire W and the ground G when the tire W rolls (as shown in Figure 12 FIG.). The rebounding force F generated after the tire W contacts the ground G and is compressed will generate an eccentric moment T due to the forward movement of the curvature center point RC, and then cause the tire W to generate a forward rolling and propulsion effect; similarly, the rebounding force generated after the hollow object 2b contacts the ground and is compressed will generate an eccentric moment due to the forward movement of the curvature center point, and then produce a forward propulsion effect on the sole. Therefore, the rolling-like motion mode generated by the hollow object 2b utilizes the principle that when the tire W rolls, the rolling torque is generated on the tire W through the generated eccentric moment T, so as to effectively reduce the frictional resistance when the user walks, and further provide the user with a relatively light and labor-saving walking experience.

[0049] Please refer to Figure 6 as shown in Figure 6Side view of the hollow object combination 3 in the third embodiment of the present invention. The hollow object combination 3 includes hollow objects 32 and 34, which are the same as the hollow object 1b in the aforementioned first embodiment, but not limited thereto. The plurality of hollow objects 32 and 34 are adjacent to each other, but the plurality of hollow objects 32 and 34 are not connected to each other. When the plurality of hollow objects 32 and 34 are filled with fluid and bent, the curved surface of the hollow object 32 has a surface curvature θ6, and the curved surface of the hollow object 34 has a surface curvature θ7. In the third embodiment of the present invention, the surface curvature θ6 of the hollow object 32 and the surface curvature θ7 of the hollow object 34 are the same as or different from each other.

[0050] In the third embodiment of the present invention, each of the hollow objects 32 and 34 can independently adjust the fluid pressure inside itself as needed. When the fluid pressures in the plurality of hollow objects 32 and 34 are different, the surface curvature θ6 of the hollow object 32 and the surface curvature θ7 of the hollow object 34 are different from each other. Therefore, the user can adjust the values of the surface curvatures θ6 and θ7 of the plurality of hollow objects 32 and 34 by controlling the fluid pressures in the plurality of hollow objects 32 and 34.

[0051] Next, please refer to Figure 7A 、 Figure 7B and Figure 7C , Figure 7A is a three-dimensional side view of the hollow object 4 in the fourth embodiment of the present invention; Figure 7B is a bottom view of the hollow object 4 in the fourth embodiment of the present invention; Figure 7C is a front view of the hollow object 4 in the fourth embodiment of the present invention. In Figure 7A , the hollow object 4 has a sole part 42 and a heel part 44, and the sole part 42 has a curved surface structure of the hollow object 1b as shown in Figure 2 , the hollow object 2b as shown in Figure 5 or a combination thereof. In the embodiment of the present invention, the hollow object 4 can be used as a sole, such as a midsole, an outsole of a shoe or a combination thereof, but not limited thereto. In Figure 7A , Figure 7B and Figure 7C , each hollow unit in the hollow object 1b (2b) of the sole part 42 extends in the direction D1 from the heel part 44 to the sole part 42, and the hollow units are arranged in parallel in the direction D2 perpendicular to the direction D1 to form a sole structure that can continuously transmit power.

[0052] Next, please refer to Figure 8A and Figure 8B , Figure 8A is a three-dimensional view of the hollow object 4 in the fifth embodiment of the present invention; Figure 8BStereoscopic view of the hollow object 4 in the fifth embodiment of the present invention, where a curved surface body C1 is attached to the upper surface 41 of the hollow object 4. In Figure 8A , the hollow object 4 and the curved surface body C1 are separated from each other, and the curved surface body C1 corresponds to the sole region 412 in the upper surface 41 of the hollow object 4; wherein, the sole region 412 of the hollow object 4 has a first bending curvature, and the curved surface body C1 has a second bending curvature. In the embodiment of the present invention, the hollow object 4 has a curved surface structure such as the hollow object 1b in Figure 2 , the hollow object 2b in Figure 5 , the hollow object combination 3 in Figure 5 or a combination thereof; the curved surface body C1 has a side view bending shape of the curved surface body C shown in Figure 3 . In the embodiment of the present invention, the hollow object 4 can be used as a sole, such as a midsole, an outsole of a shoe or a combination thereof, but is not limited thereto. In Figure 8B , the curved surface body C1 is attached to the sole region 412 in the upper surface 41 of the hollow object 4, and the first bending curvature of the sole region 412 of the hollow object 4 is the same as the second bending curvature of the curved surface body C1.

[0053] Next, please refer to Figure 9A and Figure 9B , Figure 9A is a stereoscopic view of the hollow object 5 in the sixth embodiment of the present invention; Figure 8B is a stereoscopic view of the hollow object 5 in the sixth embodiment of the present invention, where a curved surface body C2 is attached to the upper surface 51 of the hollow object 5. In Figure 9A , the hollow object 5 and the curved surface body C2 are separated from each other, and the curved surface body C2 corresponds to the upper surface 51 of the hollow object 5; wherein, the hollow object 5 is flat, and the curved surface body C2 has a bending curvature. In the embodiment of the present invention, the hollow object 5 can be used as a sole, such as a midsole, an outsole of a shoe or a combination thereof, but is not limited thereto. In Figure 9B , the curved surface body C2 is attached to the upper surface 51 of the hollow object 5, so that the hollow object 5 has the same bending curvature as the curved surface body C2. In the embodiment of the present invention, after the curved surface body C2 is attached, the hollow object 5 has a curved surface structure such as the hollow object 1b in Figure 2 , the hollow object 2b in Figure 5 , the hollow object combination 3 in Figure 5 or a combination thereof; the curved surface body C2 has a side view bending shape of the curved surface body C shown in Figure 3 .

[0054] Next, please refer to Figure 10A and Figure 10B , Figure 10A is a stereoscopic view of the hollow object 6 in the seventh embodiment of the present invention; Figure 10BStereoscopic view of the hollow object 6 according to the seventh embodiment of the present invention, wherein a curved body C3 is attached to the lower surface 61 of the hollow object 6. In Figure 10A , the hollow object 6 and the curved body C3 are separated from each other, and the curved body C3 corresponds to the lower surface 61 of the hollow object 6; wherein, the hollow object 6 has a first bending curvature, and the curved body C3 has a second bending curvature. In the embodiment of the present invention, the hollow object 6 has a hollow object 1b as shown in Figure 2 , a hollow object 2b as shown in Figure 5 , a hollow object combination 3 as shown in Figure 5 or a curved surface structure of its combination; the curved body C3 has a side view bending shape of the curved body C as shown in Figure 3 . In the embodiment of the present invention, the hollow object 6 can be used as a sole, such as a midsole, an outsole or a combination thereof, but is not limited thereto. In Figure 10B , the curved body C3 is attached to the lower surface 62 of the hollow object 6, and the first bending curvature of the hollow object 6 is the same as the second bending curvature of the curved body C3.

[0055] Next, please refer to Figure 11A , Figure 11B and Figure 11C , Figure 11A is a stereoscopic side view of the curved body C2 (C3) according to the eighth embodiment of the present invention; Figure 11B is a bottom view of the curved body C2 (C3) according to the eighth embodiment of the present invention; Figure 11C is the cross-sectional view of Figure 11B . Among them, the cross-section of the curved body C2 (C3) has a cross-sectional bending shape and has a curved surface radian R, as shown in Figure 11C . In the embodiment of the present invention, the curved surface radian R is 5 degrees to 35 degrees.

[0056] Figure 12 is an explanatory diagram of the eccentric moment according to the embodiment of the present invention, wherein RC2 is a tire, especially a tire of a bicycle or the like that can be manually controlled to step on the force, the center point after being compressed and moved, the acting force F of the tire after being compressed and rebounding, generates a rotational moment T on the RC2, giving the tire the power to rotate forward. Theoretically, when the moving distance of the tire center point per unit time of the compressed and rebounding tire is equal to 1 / 2 of the longitudinal deformation length of the compressed tire, the obtained eccentric moment is the maximum value.

[0057] Figure 13 is a cross-sectional view of the curved body C with a preset curvature according to a preferred embodiment of the present invention, wherein the curved body C with a preset curvature can be designed with different thicknesses in different regions (such as the central region CC and the edge region CE) according to actual usage requirements. In Figure 13 , the thickness of the curved body C in the central region CC is greater than the thickness of the curved body C in the edge region CE.

[0058] Figure 14 Side view of the hollow object 1d according to the ninth embodiment of the present invention, wherein the hollow object 1b is filled with fluid, and a curved surface body C is attached to its upper surface 102 to generate a curved surface, and a third material S is provided on its lower surface 104 to form a reinforcement support structure. In Figure 14 , the hollow object 1d can utilize the combination of the hollow object 1b and the third material S to prevent the hollow object 1b from being excessively deformed or expanded due to the filling of fluid, and maintain the best elasticity and support. In the ninth embodiment of the present invention, the third material S can be, for example, a fiber material, a composite material, a foaming material, or a combination thereof, but is not limited thereto.

[0059] Figure 15 Side view of the hollow object 1e according to the tenth embodiment of the present invention, wherein the hollow object 1b is filled with fluid, and a curved surface body C is attached to its upper surface 102 to generate a curved surface, and a third material S is provided between the lower surface 104 and the upper surface 102 of the hollow object 1b to form a reinforcement support structure; the hollow object 1e can utilize the combination of the hollow object 1b and the third material S to prevent the hollow object 1b from being excessively deformed or expanded due to the filling of fluid, and maintain the best elasticity and support. In the tenth embodiment of the present invention, the hollow object 1b is composed of the third material S. In the tenth embodiment of the present invention, the third material S can be, for example, a fiber material, a composite material, a foaming material, or a combination thereof, but is not limited thereto.

[0060] Through the design of the embodiments of the present invention, the hollow object provided by the present invention can utilize the injection of fluid or the combination with a curved panel with a preset curvature to form a curved surface of the hollow object, and can further adjust the curved surface curvature of the hollow object by the amount of injected fluid or the curved panel with a preset curvature. Accordingly, when the hollow object provided by the present invention is used to manufacture a sole structure, the user can adjust the curved surface curvature of the hollow object according to the needs, and then adjust the curved surface curvature of the manufactured sole structure. The hollow object provided by the present invention has a curved surface structure, especially the sole area of the hollow object has an obvious curved surface structure, and when the user wears the shoes made with the hollow object as the sole, during the walking process of the user, the curved surface structure formed by the hollow object will generate a rolling-like motion mode to provide the user with a relatively light and labor-saving walking experience.

[0061] The above are only the preferred and feasible embodiments of the present invention. Any equivalent changes made by applying the description of the present invention and the scope of the patent application should be included in the patent scope of the present invention.

[0062] Description of reference numerals

[0063] [The present invention]

[0064] 1a, 1b, 1c, 1d, 1e, 2a, 2b, 32, 34, 4, 5, 6: Hollow objects

[0065] 102: Upper surface

[0066] 104: Lower surface

[0067] 11, 21a, 21b, 21c, 21d: Filling holes

[0068] 12, 14, 16, 18, 22, 24, 26, 28: Hollow units (polyhedrons)

[0069] 142, 162, 222, 242, 262, 282: Bearing surfaces

[0070] 144, 164: Thrust surfaces

[0071] 3: Combination of hollow objects

[0072] 41, 51: Upper surfaces

[0073] 412: Sole area

[0074] 42: Instep

[0075] 44: Heel

[0076] 61: Lower surface

[0077] C, C1, C2, C3: Curved surface bodies

[0078] CC: Central region

[0079] CE: Edge region

[0080] D1, D2: Directions

[0081] F: Rebound force

[0082] G: Ground

[0083] R: Curved surface curvature

[0084] RC: Curvature center point

[0085] RC2: Moved curvature center point

[0086] S: Third material

[0087] T: Eccentric moment

[0088] W: Tire

[0089] θ1, θ2, θ3, θ4, θ5: Included angles

[0090] θ6, θ7: Curved surface curvature

Claims

1. A hollow object for forming a curved surface, comprising: at least one hollow unit that can be controllably filled with fluid and expanded to form a curved surface. Wherein, the hollow object has an upper surface, a lower surface, and a plurality of side surfaces. The curved surface system with a preset curvature is connected to the upper surface, and a third material is provided between the lower surface and the plurality of side surfaces of the hollow object. Through the combination of the hollow object and the third material, the hollow object will not be overly deformed or expanded due to the filling of fluid; a curved surface body with a preset curvature, combined with the at least one hollow unit to form a hollow structure with the curved surface.

2. The hollow object according to claim 1, wherein the at least one hollow unit is a polyhedron.

3. The hollow object according to claim 1, wherein, the curved surface body with a preset curvature includes a plurality of connection regions, and the plurality of connection regions have different thicknesses from each other.

4. The hollow object according to claim 1, wherein, the third material includes fiber material, composite material, foaming material, or a combination thereof.

5. The hollow object according to claim 1, wherein, each of the hollow units has a filling hole, and each of the filling holes is used to respectively fill fluid into each of the hollow units, so that the plurality of hollow units have one or more fluid pressures.

6. The hollow object according to claim 1, wherein, the curved surface body with a preset curvature has multiple curved surface curvatures.

7. The hollow object according to claim 1, wherein, the hollow object is used to make a sole's instep part. Among them, each of the hollow units in the hollow object serving as the instep part extends along a first direction from a heel part of the sole to the instep part, and each of the hollow units is arranged parallel to each other along a second direction perpendicular to the first direction to form a sole structure capable of continuous transmission.

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