CN114246393B - Hollow objects that form curved surfaces - Google Patents
Hollow objects that form curved surfaces Download PDFInfo
- Publication number
- CN114246393B CN114246393B CN202010992081.3A CN202010992081A CN114246393B CN 114246393 B CN114246393 B CN 114246393B CN 202010992081 A CN202010992081 A CN 202010992081A CN 114246393 B CN114246393 B CN 114246393B
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- Prior art keywords
- hollow
- units
- curved
- hollow object
- fluid
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/0036—Footwear characterised by the shape or the use characterised by a special shape or design
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- Golf Clubs (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
A hollow object system is composed of an upper surface, a lower surface and side surfaces, and comprises one or more hollow units which are controllably filled with fluid and expanded, each of the hollow units is directly adjacent to at least one other of the hollow units, and when each hollow unit is filled with fluid and expanded, each hollow unit and at least one other of the adjacent hollow units and a curved plate with preset curvature form a hollow structure with a curved surface together. In addition, a hollow object combination comprises a plurality of hollow objects, any two of the hollow objects are adjacent to each other, but the hollow objects are not communicated with each other, and when the hollow objects are respectively filled with fluid and bent, the hollow objects are combined with a curved plate with a preset curvature, and a hollow structure with one or more curved surfaces is formed.
Description
Technical Field
The present invention relates to sole structures, and more particularly to a hollow object capable of forming a curved surface for making a sole structure.
Background
Generally, the sole structure is made of a foaming material through injection molding, but is limited to an injection molding mold structure, and generally, the sole structure only has a fixed curved surface, and the curvature of the curved surface of the sole structure cannot be adjusted according to the requirement of a user.
For example, because the sole structure is generally a fixed curve, when a user needs to adjust the curvature of the curve of the sole structure, the user can only line the existing sole structure with an additional insole having the desired curvature to meet the user's need for the curvature of the curve of the sole structure.
In addition, the conventional inflatable cushion sole structure is similar to the conventional foaming sole structure, and only has a fixed curved surface, so that a user cannot adjust the curvature of the curved surface of the cushion sole structure according to the requirement. Therefore, when a user needs to adjust the curvature of the curved surface of the air cushion sole structure, the user can only line the existing air cushion sole structure through the external insole with the required curvature of the curved surface, so as to meet the requirement of the user on the curvature of the curved surface of the air cushion sole structure.
In summary, since the conventional general sole structure and the air cushion sole structure cannot adjust the curvature of the sole structure according to the requirement of the user, a novel hollow object capable of forming a curved surface for manufacturing the sole structure is needed, so that the user can adjust the curvature of the curved surface of the hollow object according to the requirement, and further meet the requirement of the user on the curvature of the curved surface of the sole structure.
Disclosure of Invention
Accordingly, it is an object of the present invention to provide a hollow object forming a curved surface that can be used to make a sole structure. The hollow object provided by the invention can be injected with fluid, and the hollow object is formed into a hollow structure with a curved surface by combining with the curved plate with a preset curvature, and the elasticity and the hardness of the hollow object can be further regulated and controlled by using the quantity of the injected fluid.
The hollow object comprises a plurality of hollow units which can be filled with fluid in a controlled manner and expand, each hollow unit is directly adjacent to at least one other of the plurality of hollow units, when each hollow unit is filled with fluid and expands, the elasticity and hardness of the hollow object can be further controlled, the hollow object is used for manufacturing a sole part of a shoe sole, wherein each hollow unit in the hollow object serving as the sole part extends along a heel part of the shoe sole towards a first direction of the sole part, and each hollow unit is arranged in parallel with each other along a second direction perpendicular to the first direction so as to form a sole structure capable of continuous transmission.
Another object of the present invention is to provide a hollow object assembly including a plurality of hollow objects as described above, any two of the plurality of hollow objects being adjacent to each other but not in communication with each other, the curved surfaces of the plurality of hollow objects having one or more curved surface curvatures when the plurality of hollow objects are respectively filled with fluid and curved, the hollow object assembly being used to make a sole portion of a shoe sole, wherein each of the hollow units in the hollow objects as the sole portion extends along a heel portion of the shoe sole toward a first direction of the sole portion, and each of the hollow units is arranged in parallel with each other along a second direction perpendicular to the first direction, so as to form a sole structure capable of continuous transmission.
The invention has the advantages that the hollow object provided by the invention can be combined with the curved plate with a preset curvature to form the curved surface of the hollow object, and the elasticity and the hardness of the hollow object can be further regulated and controlled by the amount of injected fluid. Accordingly, when the hollow object provided by the invention is used for manufacturing the sole structure, a user can adjust the curvature of the curved surface of the hollow object according to the requirement, and further adjust the curvature of the curved surface of the manufactured sole structure. When a user wears the hollow object as footwear made of the sole, the curved surface structure formed by the hollow object generates a rolling-like movement mode during the walking process of the user. For example, when a user walks, the hollow units of the hollow object sequentially contact or approach the ground, so as to generate an effect similar to the contact of the tire blocks of the tire with the ground when the tire rolls, and the rebound force generated by the compression of the hollow object can generate eccentric moment due to the forward movement of the curvature center point (refer to fig. 12), so that the forward pushing effect is generated on the sole, and therefore, the rolling-like movement mode generated by the hollow object utilizes the principle that the generated eccentric moment generates rolling torque on the tire when the tire rolls, so as to effectively reduce the friction resistance when the user walks, and further provide a light and labor-saving walking experience for the user.
Drawings
FIG. 1 is a schematic side view of a hollow object according to a first embodiment of the present invention, wherein the hollow object is not yet filled with a fluid.
FIG. 2 is a schematic side view of a hollow object according to a first embodiment of the present invention, wherein the hollow object has been inflated with a fluid and a curved surface is created.
FIG. 3 is a schematic side view of a hollow object filled with a fluid and attached to a curved body to create a curved surface according to a first embodiment of the present invention.
Fig. 4 is a schematic side view of a hollow object according to a second embodiment of the present invention, wherein the hollow object is not yet filled with fluid.
FIG. 5 is a schematic side view of a hollow object according to a second embodiment of the present invention, wherein the hollow object has been inflated with a fluid and a curved surface is created.
Fig. 6 is a schematic side view of a hollow body assembly according to a third embodiment of the present invention.
Fig. 7A is a perspective side view of a hollow object in accordance with a fourth embodiment of the present invention.
Fig. 7B is a bottom view of a hollow object according to a fourth embodiment of the present invention.
Fig. 7C is a front end view of a hollow object in accordance with a fourth embodiment of the present invention.
Fig. 8A is a perspective view of a hollow object according to a fifth embodiment of the present invention.
Fig. 8B is a perspective view of a hollow object according to a fifth embodiment of the present invention, wherein a curved body is attached to the upper surface of the hollow object.
Fig. 9A is a perspective view of a hollow object according to a sixth embodiment of the present invention.
Fig. 9B is a perspective view of a hollow object according to a sixth embodiment of the present invention, in which a curved body is attached to an upper surface of the hollow object.
Fig. 10A is a perspective view of a hollow object according to a seventh embodiment of the present invention.
Fig. 10B is a perspective view of a hollow object according to a seventh embodiment of the present invention, in which a curved body is attached to the lower surface of the hollow object.
Fig. 11A is a perspective side view of a curved body according to an eighth embodiment of the present invention.
Fig. 11B is a bottom view of a curved body according to an eighth embodiment of the present invention.
Fig. 11C is a cross-sectional view of fig. 11B.
Fig. 12 is a schematic view illustrating an eccentric moment generated due to forward movement of a curvature center point after the tire is compressed in contact with the ground.
FIG. 13 is a cross-sectional view of a curved body with a predetermined curvature according to the present invention, which may have different thicknesses in different areas.
FIG. 14 is a schematic side view of a hollow object filled with a fluid, wherein a curved surface is formed by attaching a curved surface body to the upper surface of the hollow object, and a third material is disposed on the lower surface of the hollow object to form a reinforced supporting structure.
FIG. 15 is a schematic side view of a hollow object filled with a fluid, wherein a curved surface is formed by attaching a curved surface body to an upper surface of the hollow object, and a third material is disposed between a lower surface and an upper surface of the hollow object to form a reinforced supporting structure.
Detailed Description
In order to more clearly illustrate the present invention, preferred embodiments are described in detail below with reference to the accompanying drawings. Referring to fig. 1 and 2, fig. 1 is a schematic side view of a hollow object 1a according to a first embodiment of the present invention, wherein the hollow object 1a is not yet filled with a fluid, and fig. 2 is a schematic side view of a hollow object 1b according to a first embodiment of the present invention, wherein the hollow object 1b is inflated by being filled with a fluid and generates a curved surface.
In fig. 1, the hollow object 1a comprises a plurality of hollow units 12, 14, 16, 18 for forming a curved surface. A plurality of hollow cells 12, 14, 16, 18 are operably filled with a fluid and inflated, each of the hollow cells 12, 14, 16, 18 being directly adjacent to at least another one of the plurality of hollow cells 12, 14, 16, 18, e.g., the hollow cell 12 being directly adjacent to the hollow cell 14, the hollow cell 14 being directly adjacent to the hollow cell 16, the hollow cell 16 being directly adjacent to the hollow cell 18. In the first embodiment of the present invention, the fluid may be, for example, a gas or a liquid.
When each of the hollow cells 12, 14, 16, 18 is filled with a fluid and inflated, each of the hollow cells 12, 14, 16, 18 and at least another one of the plurality of hollow cells 12, 14, 16, 18 adjacent thereto form the curved surface, as shown in fig. 2.
In the first embodiment of the present invention, before each of the hollow units 12, 14, 16, 18 is filled with a fluid and inflated, each of the hollow units 12, 14, 16, 18 and at least another one of the plurality of adjacent hollow units 12, 14, 16, 18 form a flat surface, as shown in fig. 1.
In the first embodiment of the present invention, each of the plurality of hollow units 12, 14, 16, 18 is 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 one other 16 of the plurality of polyhedrons, and when each of the polyhedrons 14, 16 is filled with a fluid and expands, the bearing surface 142 of the polyhedron 14 is at a reduced angle (θ2θ1) with the bearing surface 162 of at least one other 16 of the plurality of polyhedrons adjacent thereto to form the curved surface.
As shown in fig. 1, before each of the polyhedrons 14, 16 is filled with fluid and inflated, the bearing surface 142 of the polyhedron 14 has a maximum included angle θ1 with the bearing surface 162 of at least another 16 of the adjacent polyhedrons, and forms a flat surface. In the first embodiment of the present invention, the maximum included angle θ1 is a flat angle (180 °).
As shown in fig. 1 and 2, the polyhedron 14 has at least one abutment surface 144 adjacent to the bearing surface 142, the polyhedron 16 has at least one abutment surface 164 adjacent to the bearing surface 162, and when the bearing surface 142 of each of the polyhedrons 14 is directly adjacent to the bearing surface 162 of at least one other 16 of the plurality of polyhedrons, the abutment surface 144 of the polyhedron 14 and the abutment surface 164 of at least one other 16 of the plurality of polyhedrons face each other and are in direct contact. When each of the polyhedrons 14, 16 is filled with fluid and expands, the abutment surface 144 of the polyhedron 14 and the abutment surface 164 of at least one other of the adjacent polyhedrons 16 are abutted against each other so that the two bearing surfaces 142, 162 form a smaller included angle θ2, and in particular, when each of the polyhedrons 14, 16 is filled with fluid and expands, the polyhedrons 14, 16 pivot at the connection of the two bearing surfaces 142, 162 adjacent to each other so that the included angle between the two bearing surfaces is reduced (θ2θ1) to form the curved surface.
In the first embodiment of the present invention, one of the plurality of hollow cells 18 has a filling hole 11, the filling hole 11 is used for filling the hollow cell 18 with fluid, and the hollow cells 12, 14, 16, 18 are communicated with each other. When each of the hollow cells 12, 14, 16, 18 is filled with a fluid, the hollow cells 12, 14, 16, 18 each have the same fluid pressure therein. In other words, if the configuration of each of the hollow units 12, 14, 16, 18 is identical, and the hollow units are inflated by the filling fluid, the angle between the bearing surfaces of the hollow units 12 and 14, the angle between the bearing surfaces of the hollow units 14 and 16, and the angle between the bearing surfaces of the hollow units 16 and 18 will be substantially identical.
Referring to fig. 3, fig. 3 is a schematic side view of a hollow object 1C according to a first embodiment of the present invention, wherein the hollow object 1C is filled with a fluid and attached to a curved surface body C to generate a curved surface. The hollow object 1c has a plurality of hollow units, wherein the hollow units 14, 16 are exemplified. In fig. 3, the hollow object 1C is attached to the curved surface body C after being filled with the fluid, so as to generate a curved surface, wherein 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 each other, and the curved surface body C may be, for example, a rigid curved plate, such as a carbon fiber composite curved plate. In the embodiment of the present invention, the hollow object 1C may be attached to the curved surface body C first, and then the hollow object 1C is filled with the fluid after the curved surface is generated. It should be noted that when the hollow units 14, 16 are pressed by an external force (such as a foot stepping force), the hollow units 14, 16 are pressed to deform, and the pushing surface 144 of the hollow unit 14 and the pushing surface 164 of the hollow unit 16 push against each other to form a curved surface supporting structure with a buffering function, so as to support the reinforced curved surface body C, thereby improving the overall mechanical properties of the hollow object 1C.
Referring to fig. 3 and 12, fig. 12 is a schematic view illustrating an eccentric moment T generated by the forward movement of the curvature center point RC after the tire W is compressed in contact with the ground G, and the curved structure formed by the hollow objects 1b and 1c generates a rolling-like motion during the walking process of the user when the user wears the hollow objects 1b and 1c as the sole. For example, when a user walks, the hollow units 12, 14, 16, 18 of the hollow object 1b sequentially contact or approach the ground, so as to generate an effect similar to that of the contact between the blocks of the tire W and the ground G when the tire W rolls (as shown in fig. 12), the rebound force F generated after the contact between the tire W and the ground G is compressed can generate an eccentric moment T due to the forward movement of the center point of curvature RC, so as to generate a forward rolling pushing effect on the tire W, and similarly, the rebound force generated after the contact between the hollow object 1b and the ground is compressed can generate an eccentric moment due to the forward movement of the center point of curvature, so that the rolling-like motion mode generated by the hollow objects 1b, 1c utilizes the principle that the generated eccentric moment T generates rolling torque on the tire W when the tire W rolls, so as to effectively reduce the friction resistance when the user walks, thereby providing a light and labor-saving walking experience for the user.
Referring to fig. 4 and 5, fig. 4 is a schematic side view of a hollow object 2a according to a second embodiment of the present invention, wherein the hollow object 2a is not yet filled with a fluid, and fig. 5 is a schematic side view of a hollow object 2b according to a second embodiment of the present invention, wherein the hollow object 2b is inflated by filling with a fluid and generates a curved surface.
In fig. 4, the hollow object 2a includes a plurality of hollow units 22, 24, 26, 28 for forming a curved surface. A plurality of hollow cells 22, 24, 26, 28 are operably filled with a fluid and inflated, each of the hollow cells 22, 24, 26, 28 being directly adjacent to at least one other of the plurality of hollow cells 22, 24, 26, 28, e.g., the hollow cell 22 being directly adjacent to the hollow cell 24, the hollow cell 24 being directly adjacent to the hollow cell 26, the hollow cell 26 being directly adjacent to the hollow cell 28. In the second embodiment of the present invention, the fluid may be, for example, a gas or a liquid.
When each of the hollow cells 22, 24, 26, 28 is filled with a fluid and inflated, each of the hollow cells 22, 24, 26, 28 and at least another one of the plurality of hollow cells 22, 24, 26, 28 adjacent thereto constitute the curved surface, as shown in fig. 5.
In the second embodiment of the present invention, before each of the hollow units 22, 24, 26, 28 is filled with fluid and inflated, each of the hollow units 22, 24, 26, 28 and at least another one of the plurality of adjacent hollow units 22, 24, 26, 28 form a flat surface, as shown in fig. 4.
In the second embodiment of the present invention, each of the plurality of hollow units 22, 24, 26, 28 is a polyhedron. Taking the polyhedron 22, 24, 26, 28 as an example, the polyhedron 22, 24, 26, 28 has 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 one other 24 of the plurality of polyhedrons, the bearing surface 242 of the polyhedron 24 is directly adjacent to the bearing surface 262 of at least one other 26 of the plurality of polyhedrons, and the bearing surface 262 of the polyhedron 26 is directly adjacent to the bearing surface 282 of at least one other 28 of the plurality of polyhedrons. When each of the polyhedrons 22, 24, 26, 28 is filled with a fluid and expands, the bearing surface 222 of the polyhedron 22 forms an angle theta 3 with the bearing surface 242 of at least another one 24 of the plurality of adjacent polyhedrons, the bearing surface 242 of the polyhedron 24 forms an angle theta 4 with the bearing surface 262 of at least another one 26 of the plurality of adjacent polyhedrons, and the bearing surface 262 of the polyhedron 26 forms an angle theta 5 with the bearing surface 282 of at least another one 28 of the plurality of adjacent polyhedrons. In the second embodiment of the present invention, the included angles θ3, θ4, θ5 may be the same or different from each other.
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, and each of the filling holes 21a, 21b, 21c, 21d is used for filling 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 hollow units 22, 24, 26, 28 are different, the included angles θ3, θ4, θ5 are different, so that the user can adjust the values of the included angles θ3, θ4, θ5 between the bearing surfaces 222, 242, 262, 282 of the hollow units 22, 24, 26, 28 by adjusting the fluid pressures in the hollow units 22, 24, 26, 28.
Referring to fig. 5 and 12, fig. 12 is a schematic view illustrating that after the tire W is compressed by contacting the ground G, the eccentric moment T is generated due to the forward movement of the curvature center point RC, and when the user wears the hollow object 2b as a sole, the curved structure formed by the hollow object 2b generates a rolling-like motion during the walking process. For example, when a user walks, the hollow units 22, 24, 26, 28 of the hollow object 2b sequentially contact or approach the ground, so as to generate an effect similar to that of the contact between the blocks of the tire W and the ground G when the tire W rolls (as shown in fig. 12), the rebound force F generated by the contact between the tire W and the ground G after compression can generate an eccentric moment T due to the forward movement of the center point of curvature RC, so as to generate a forward rolling pushing effect on the tire W, and similarly, the rebound force generated by the contact between the hollow object 2b and the ground after compression can generate an eccentric moment due to the forward movement of the center point of curvature, so that the rolling-like motion mode generated by the hollow object 2b utilizes the principle that the rolling torque is generated on the tire W by the generated eccentric moment T when the tire W rolls, thereby effectively reducing the friction resistance when the user walks, and further providing a light and labor-saving walking experience for the user.
Referring to fig. 6, fig. 6 is a schematic side view of a hollow object assembly 3 according to a third embodiment of the present invention. The hollow object assembly 3 includes hollow objects 32, 34, the hollow objects 32, 34 are the same as the hollow object 1b of the first embodiment, but not limited thereto. The plurality of hollow objects 32, 34 are contiguous with each other, but the plurality of hollow objects 32, 34 are not in communication with each other. When the plurality of hollow objects 32, 34 are respectively filled with fluid and bent, the curved surface of the hollow object 32 has a curved surface curvature θ6, and the curved surface of the hollow object 34 has a curved surface curvature θ7. In the third embodiment of the present invention, the curved curvature θ6 of the hollow object 32 and the curved curvature θ7 of the hollow object 34 are the same or different from each other.
In a third embodiment of the present invention, each of the hollow objects 32, 34 can independently adjust the fluid pressure within each of the hollow objects as desired. When the fluid pressures in the hollow objects 32 and 34 are different, the curved curvature θ6 of the hollow object 32 and the curved curvature θ7 of the hollow object 34 are different, so that the user can adjust the values of the curved curvatures θ6 and θ7 of the hollow objects 32 and 34 by adjusting the fluid pressures in the hollow objects 32 and 34.
Referring next to fig. 7A, 7B and 7C, fig. 7A is a perspective side view of a hollow object 4 according to a fourth embodiment of the present invention, fig. 7B is a bottom view of the hollow object 4 according to the fourth embodiment of the present invention, and fig. 7C is a front end view of the hollow object 4 according to the fourth embodiment of the present invention. In fig. 7A, the hollow object 4 has a ball portion 42 and a heel portion 44, and the ball portion 42 has a curved surface structure of the hollow object 1b of fig. 2, the hollow object 2b of fig. 5, or a combination thereof. In an embodiment of the present invention, the hollow object 4 may be a sole, such as a midsole, an outsole, or a combination thereof, but is not limited thereto. In fig. 7A, 7B and 7C, each of the hollow elements in the hollow body 1B (2B) of the ball portion 42 extends along the heel portion 44 toward the direction D1 of the ball portion 42, and the hollow elements are arranged in parallel with each other along the direction D2 perpendicular to the direction D1 to constitute a continuously drivable sole structure.
Referring to fig. 8A and 8B, fig. 8A is a perspective view of a hollow object 4 according to a fifth embodiment of the present invention, and fig. 8B is a perspective view of the hollow object 4 according to the fifth embodiment of the present invention, wherein a curved surface C1 is attached to an upper surface 41 of the hollow object 4. In fig. 8A, the hollow object 4 and the curved body C1 are separated from each other, and the curved body C1 corresponds to the sole area 412 in the upper surface 41 of the hollow object 4, wherein the sole area 412 of the hollow object 4 has a first curvature and the curved body C1 has a second curvature. In the embodiment of the present invention, the hollow object 4 has a curved structure of the hollow object 1b shown in fig. 2, the hollow object 2b shown in fig. 5, the hollow object combination 3 shown in fig. 5, or a combination thereof, and the curved body C1 has a side view curved shape of the curved body C shown in fig. 3. In an embodiment of the present invention, the hollow object 4 may be a sole, such as a midsole, an outsole, or a combination thereof, but is not limited thereto. In fig. 8B, the curved body C1 is attached to the sole region 412 in the upper surface 41 of the hollow object 4, and the first curvature of the sole region 412 of the hollow object 4 is the same as the second curvature of the curved body C1.
Referring to fig. 9A and 9B, fig. 9A is a perspective view of a hollow object 5 according to a sixth embodiment of the present invention, and fig. 8B is a perspective view of the hollow object 5 according to the sixth embodiment of the present invention, wherein a curved surface C2 is attached to an upper surface 51 of the hollow object 5. In fig. 9A, the hollow object 5 and the curved body C2 are separated from each other, and the curved body C2 corresponds to the upper surface 51 of the hollow object 5, wherein the hollow object 5 is flat, and the curved body C2 has a curvature. In an embodiment of the present invention, the hollow object 5 may be a sole, such as a midsole, an outsole, or a combination thereof, but is not limited thereto. In fig. 9B, the curved body C2 is attached to the upper surface 51 of the hollow object 5 so that the hollow object 5 has the same curvature as the curved body C2. In the embodiment of the present invention, the hollow object 5 has a curved structure of the hollow object 1b shown in fig. 2, the hollow object 2b shown in fig. 5, the hollow object combination 3 shown in fig. 5 or a combination thereof after the curved body C2 is attached, and the curved body C2 has a side view curved shape of the curved body C shown in fig. 3.
Referring to fig. 10A and 10B, fig. 10A is a perspective view of a hollow object 6 according to a seventh embodiment of the present invention, and fig. 10B is a perspective view of the hollow object 6 according to the seventh embodiment of the present invention, wherein a curved surface body C3 is attached to a lower surface 61 of the hollow object 6. In fig. 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 curvature and the curved body C3 has a second curvature. In the embodiment of the present invention, the hollow object 6 has a curved structure of the hollow object 1b shown in fig. 2, the hollow object 2b shown in fig. 5, the hollow object combination 3 shown in fig. 5, or a combination thereof, and the curved body C3 has a side view curved shape of the curved body C shown in fig. 3. In the present embodiment, the hollow object 6 may be used as a sole, such as a midsole, an outsole, or a combination thereof, but is not limited thereto. In fig. 10B, the curved body C3 is attached to the lower surface 62 of the hollow object 6, and the first curvature of the hollow object 6 is the same as the second curvature of the curved body C3.
Referring next to fig. 11A, 11B and 11C, fig. 11A is a perspective side view of a curved body C2 (C3) according to an eighth embodiment of the invention, fig. 11B is a bottom view of the curved body C2 (C3) according to the eighth embodiment of the invention, and fig. 11C is a cross-sectional view of fig. 11B. The curved surface body C2 (C3) has a cross-sectional curved shape and has a curved surface radian R, as shown in fig. 11C. In the embodiment of the invention, the radian R of the curved surface is 5-35 degrees.
Fig. 12 is an illustration of an eccentric moment according to an embodiment of the present invention, wherein RC2 is a tire, especially a tire for a bicycle or the like, which can be manually operated to tread a force path, a center point of the tire after compression movement, a force F of compression rebound of the tire, a rotational moment T is generated to the RC2, and a force of forward rotation of the tire is imparted, and in theory, the obtained eccentric moment is maximum when the distance of movement of the center point of the tire is equal to 1/2 of the length of the longitudinal deformation of the compressed tire in a unit time of rebound of the compressed tire.
Fig. 13 is a cross-sectional view of a curved body C with a predetermined curvature according to a preferred embodiment of the present invention, wherein the curved body C with a predetermined curvature can be designed to have different thicknesses in different areas (e.g. the central area CC and the edge area CE) according to practical requirements. In fig. 13, the thickness of the curved body C in the central area CC is greater than the thickness of the curved body C in the edge area CE.
Fig. 14 is a schematic side view of a hollow object 1d according to a ninth embodiment of the present invention, wherein a hollow object 1b is filled with a fluid, a curved surface body C is attached to an upper surface 102 thereof to form a curved surface, and a third material S is disposed on a lower surface 104 thereof to form a reinforced support structure. In fig. 14, the hollow object 1d can use 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 fluid, and maintain the optimal elasticity and support. In the ninth embodiment of the present invention, the third material S may be, for example, a fibrous material, a composite material, a foam material, or a combination thereof, but is not limited thereto.
Fig. 15 is a schematic side view of a hollow object 1e according to a tenth embodiment of the present invention, wherein the hollow object 1b is filled with a fluid, a curved surface body C is attached to an upper surface 102 of the hollow object 1b to form a curved surface, a third material S is disposed between a lower surface 104 and the upper surface 102 of the hollow object 1b to form a reinforced supporting structure, and 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 filled fluid, and maintain the optimal elasticity and the supporting property. 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 may be, for example, a fibrous material, a composite material, a foam material, or a combination thereof, but is not limited thereto.
By the design of the embodiment of the invention, the hollow object can be formed into a curved surface by injecting fluid or combining with a curved plate with preset curvature, and the curved surface curvature of the hollow object can be further regulated and controlled by using the number of the injected fluid or the curved plate with preset curvature. Accordingly, when the hollow object provided by the invention is used for manufacturing the sole structure, a user can adjust the curvature of the curved surface of the hollow object according to the requirement, and further adjust the curvature of the curved surface of the manufactured sole structure. The hollow object provided by the invention has a curved surface structure, particularly the sole area of the hollow object has an obvious curved surface structure, and when a user wears the hollow object as a shoe made of the sole, the curved surface structure formed by the hollow object can generate a rolling-like movement mode in the walking process of the user, so that the user can walk with lighter weight and more labor-saving experience.
The above description is only of a preferred embodiment of the invention, and all changes that come within the meaning and range of equivalency of the description and the claims are therefore intended to be embraced therein.
Description of the reference numerals
[ Invention ]
1A, 1b, 1c, 1d, 1e, 2a, 2b, 32, 34, 4,5, 6: hollow objects
102 Upper surface
104 Lower surface
11. 21A, 21b, 21c, 21d filling holes
12. 14, 16, 18, 22, 24, 26, 28: Hollow units (polyhedrons)
142. 162, 222, 242, 262, 282 Bearing surface
144. 164 Against pushing surface
3 Hollow object combination
41. 51 Upper surface
412 Sole area
42 Sole portion
44 Heel portion
61 Lower surface
C. c1, C2, C3 curved surface body
CC central region
CE edge area
D1, d2:direction
F, rebound force
G floor surface
R is curved surface radian
RC: center point of curvature
RC2 center of curvature after movement
S is a third material
T eccentric moment
W-tyre
Included angles of theta 1, theta 2, theta 3, theta 4 and theta 5
Θ6, θ7, curvature of curved surface
Claims (15)
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| CN202010992081.3A CN114246393B (en) | 2020-09-21 | 2020-09-21 | Hollow objects that form curved surfaces |
| TW111144085A TWI821029B (en) | 2020-09-21 | 2021-07-22 | hollow object forming a curved surface |
| TW110126983A TWI792435B (en) | 2020-09-21 | 2021-07-22 | Hollow objects forming curved surfaces and combinations thereof |
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| CN202010992081.3A CN114246393B (en) | 2020-09-21 | 2020-09-21 | Hollow objects that form curved surfaces |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW202308826A (en) | 2023-03-01 |
| CN114246393A (en) | 2022-03-29 |
| TWI792435B (en) | 2023-02-11 |
| TW202212094A (en) | 2022-04-01 |
| TWI821029B (en) | 2023-11-01 |
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