CN116036558A - Integrated badminton racket and manufacturing method thereof - Google Patents
Integrated badminton racket and manufacturing method thereof Download PDFInfo
- Publication number
- CN116036558A CN116036558A CN202310012267.1A CN202310012267A CN116036558A CN 116036558 A CN116036558 A CN 116036558A CN 202310012267 A CN202310012267 A CN 202310012267A CN 116036558 A CN116036558 A CN 116036558A
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- Prior art keywords
- wall
- connecting sleeve
- racket
- middle tube
- clamping
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B49/00—Stringed rackets, e.g. for tennis
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B49/00—Stringed rackets, e.g. for tennis
- A63B49/02—Frames
- A63B49/08—Frames with special construction of the handle
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B49/00—Stringed rackets, e.g. for tennis
- A63B49/02—Frames
- A63B49/10—Frames made of non-metallic materials, other than wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/52—Sports equipment ; Games; Articles for amusement; Toys
- B29L2031/5245—Rackets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses an integrated badminton racket and a manufacturing method thereof, wherein the integrated badminton racket comprises a racket frame, a middle pipe, a connecting sleeve and a racket handle; the front end of the middle tube is connected with the racket frame, the middle tube is made of carbon fiber, the connecting sleeve is sleeved outside the rear end of the middle tube, and the inner wall of the connecting sleeve is clamped with the outer wall of the rear end of the middle tube through a first clamping position and a first clamping protrusion in a matched manner and is integrally formed and fixed together; through prefabricating earlier and solidifying adapter sleeve, well pipe and handle, and through first screens and the protruding cooperation card of first card between adapter sleeve's inner wall and the rear end outer wall of well pipe hold, hold through the protruding cooperation card of second screens and second card between the inner wall of handle and the adapter sleeve's the outer wall for well pipe and handle combine more firmly, are difficult for deviating from, promote the product quality, have prolonged the life of product greatly, and production efficiency has obtained very big improvement, is favorable to the increase of productivity, and this product overall weight is lighter simultaneously, and the feel is better.
Description
Technical Field
The invention relates to the technical field of sports goods, in particular to an integrated badminton racket and a manufacturing method thereof.
Background
The shuttlecock is a sports which can be carried out indoors and outdoors; according to the number of people involved, the method can be divided into single-beat and double-beat 3-beat rules and emerging 3-beat rules; the badminton is needed to be used in badminton sports, the badminton consists of a racket frame, a racket handle and a middle tube, and the front end and the rear end of the racket face middle tube are respectively connected with the racket frame and the racket handle through net wires; the length of a badminton racket is not more than 680 mm, the length of the racket handle and the middle tube is not more than 41 cm, the length of the racket frame is 28 cm, and the width of the racket frame is 23 cm. The badminton racket belongs to a sports apparatus with high explosive force, and is characterized in that: the material consumption is little, the net pressure tension born by the racket frame is higher, and the deformation of the middle tube is larger during batting. The world-known brand is expected to break through in production technology and structural design in the field of high-performance badminton rackets so as to lead the market.
In the prior art, the racket handle of the badminton racket is generally made of wood, the middle tube is made of iron or carbon fiber, the racket handle is provided with the inserting holes, meanwhile, the middle tube is well manufactured and formed, during assembly, the rear end of the middle tube is inserted into the inserting holes and is bonded and fixed through glue, the bonding strength of the glue is limited, and the middle tube is easy to break away due to easy aging, so that the racket is damaged, the production efficiency of the glue bonding mode is very low, the productivity is not improved, meanwhile, the racket handle is made of wood, and the middle tube is made of iron, so that the racket is large in overall weight and bad in hand feeling. Accordingly, there is a need for improvements to current badminton rackets.
Disclosure of Invention
In view of the above, the present invention aims at overcoming the drawbacks of the prior art, and its primary object is to provide an integrated badminton racket and a manufacturing method thereof, which can effectively solve the problems of easy damage, adverse productivity improvement and heavy weight of the existing badminton racket.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an integrated badminton racket comprises a racket frame, a middle pipe, a connecting sleeve and a racket handle; the front end of the middle tube is connected with the racket frame, the middle tube is made of carbon fiber, and a flow passage for filling fluid is arranged in the middle tube; the connecting sleeve is of a hollow structure with openings at the front end and the rear end, the connecting sleeve is sleeved outside the rear end of the middle pipe, and the inner wall of the connecting sleeve is clamped with the outer wall of the rear end of the middle pipe through a first clamping position and a first clamping protrusion in a matched manner and is integrally formed and fixed together; the racket handle is sleeved outside the connecting sleeve, a through hole for filling fluid is formed in the rear end of the racket handle, the through hole is communicated with the flow passage, and the inner wall of the racket handle is clamped with the outer wall of the connecting sleeve through second clamping positions and second clamping protrusions.
As a preferable scheme, the first clamping position is positioned on the inner wall of the connecting sleeve, the corresponding first clamping protrusion is formed by extruding the middle pipe to extend out of the outer wall, the second clamping position is positioned on the outer wall of the connecting sleeve, and the corresponding second clamping protrusion is formed by extruding the racket handle to extend out of the inner wall.
As a preferable scheme, the second clamping position and the first clamping position are communicated with each other, and the second clamping protrusion and the first clamping protrusion are integrally connected.
As a preferable scheme, the connecting sleeve is concave and convex inwards, a first clamping position is formed on the inner wall of the connecting sleeve, a second clamping protrusion is formed on the outer wall of the connecting sleeve, and correspondingly, the first clamping protrusion is formed by extruding the middle pipe to extend out of the outer wall, and the second clamping position is positioned on the inner wall of the racket handle.
As a preferable scheme, the connecting sleeve is internally convex and externally concave, a first clamping protrusion is formed on the inner wall of the connecting sleeve, a second clamping position is formed on the outer wall of the connecting sleeve, and correspondingly, the first clamping position is formed by inwards concave extrusion of the middle pipe, and the second clamping protrusion is positioned on the inner wall of the racket handle.
As a preferred embodiment, the connection sleeve is formed by solidifying carbon fibers.
As a preferable scheme, the inner wall and the outer wall of the racket handle are made of carbon fiber materials.
A manufacturing method of an integrated badminton racket is characterized in that: the method comprises the following steps:
(1) Prefabricating and solidifying a connecting sleeve, wherein the inner wall of the connecting sleeve is provided with a first clamping position or a first clamping protrusion, and the outer wall of the connecting sleeve is provided with a second clamping position or a second clamping protrusion;
(2) Taking a lower core body, coating a rubber bag outside the core body, and then wrapping carbon fiber cloth outside the rubber bag to prefabricate and form a middle pipe;
(3) Connecting the front end of the prefabricated middle tube with the racket frame, and inserting the rear end of the middle tube into the connecting sleeve;
(4) Prefabricating a formed racket handle outside the connecting sleeve, so as to obtain a semi-finished product;
(5) Heating the semi-finished product in a mould to enable the middle tube and the racket handle to be solidified and formed, filling fluid into the rubber bag in the heating process to enable the rubber bag to expand and pressurize the inner wall of the middle tube, enabling the middle tube to be attached to and solidified and formed on the inner wall of the connecting sleeve, and enabling the racket handle to be attached to and solidified and formed on the outer wall of the connecting sleeve;
(6) After the middle tube and the racket handle are solidified, the front end and the rear end of the middle tube are respectively connected with the racket frame, the connecting sleeve and the racket handle in an integrated mode, and the mould is opened and the finished product is taken out.
As a preferred embodiment, the fluid in the step (5) is a gas.
As a preferred solution, the rubber bag extends out of the racket handle through the through hole.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
through prefabricating earlier and solidifying adapter sleeve, well pipe and handle, and through first screens and the protruding cooperation card of first card between adapter sleeve's inner wall and the rear end outer wall of well pipe hold, hold through the protruding cooperation card of second screens and second card between the inner wall of handle and the adapter sleeve's the outer wall for well pipe and handle combine more firmly, are difficult for deviating from, promote the product quality, have prolonged the life of product greatly, and production efficiency has obtained very big improvement, is favorable to the increase of productivity, and this product overall weight is lighter simultaneously, and the feel is better.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a front view of a first preferred embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of the first preferred embodiment of the present invention prior to overall curing;
FIG. 3 is a partial cross-sectional view of the first preferred embodiment of the present invention after being integrally cured;
FIG. 4 is a front view of the connecting sleeve according to the first preferred embodiment of the present invention;
FIG. 5 is a front view of another adapter sleeve according to the first preferred embodiment of the present invention;
FIG. 6 is a partial cross-sectional view of a second preferred embodiment of the present invention prior to bulk curing;
FIG. 7 is a partial cross-sectional view of the second preferred embodiment of the present invention after being integrally cured;
FIG. 8 is a partial cross-sectional view of a third preferred embodiment of the present invention prior to bulk curing;
fig. 9 is a partial cross-sectional view of the third preferred embodiment of the present invention after being integrally cured.
The attached drawings are used for identifying and describing:
10. racket frame 20, middle tube
21. Flow passage 30, connecting sleeve
40. Handle 41, through hole
50. The adhesive bag 101, the first clamping position
102. First and second clamping protrusions 103 and second clamping positions
104. And the second clamp is convex.
Detailed Description
Referring to fig. 1 to 5, there is shown a detailed structure of an integrated badminton racket according to a first preferred embodiment of the present invention, which includes a frame 10, a middle tube 20, a connecting sleeve 30 and a handle 40.
The front end of the middle tube 20 is connected with the racket frame 10, the middle tube 20 is made of carbon fiber, and a flow passage 21 for filling fluid is arranged in the middle tube 20; the connecting sleeve 30 is of a hollow structure with openings at the front end and the rear end, the connecting sleeve 30 is sleeved outside the rear end of the middle pipe 20, and the inner wall of the connecting sleeve 30 and the outer wall of the rear end of the middle pipe 20 are clamped by a first clamping position 101 and a first clamping protrusion 102 in a matched mode and are integrally formed and fixed together; the racket handle 40 is sleeved outside the connecting sleeve 30, a through hole 41 for filling fluid is formed in the rear end of the racket handle 40, the through hole 41 is communicated with the flow channel 21, and the inner wall of the racket handle 40 is clamped with the outer wall of the connecting sleeve 30 in a matched mode through a second clamping position 103 and a second clamping protrusion 104.
In this embodiment, the first locking portion 101 is located on the inner wall of the connecting sleeve 30, the corresponding first locking portion 102 is formed by extruding the middle tube 20 to extend out of the outer wall, the second locking portion 103 is located on the outer wall of the connecting sleeve 30, and the corresponding second locking portion 104 is formed by extruding the racket handle 40 to extend out of the inner wall. And, the second clamping position 103 is communicated with the first clamping position 101, and the second clamping protrusion 104 is integrally connected with the first clamping protrusion 102, so that better stable connection is realized. The connection sleeve 30 is formed by curing carbon fibers. The inner and outer walls of the handle 40 are made of carbon fiber. And, the first detent 101 is square, circular or other various shapes, and correspondingly, the first detent 102 is square, circular or other various shapes, the second detent 103 is square (as shown in fig. 4), circular (as shown in fig. 5) or other various shapes, and correspondingly, the second detent 104 is square, circular or other various shapes, and the shape is limited. The number of the first clamping positions 101 is plural, correspondingly, the number of the first clamping protrusions 102 is plural, and the number is not limited; the number of the second locking portions 103 is plural, and correspondingly, the number of the second locking protrusions 104 is plural, and the number is not limited.
The invention also discloses a manufacturing method of the integrated badminton racket, which comprises the following steps:
(1) The connection sleeve 30 is prefabricated and cured, the inner wall of the connection sleeve 30 is provided with a first clamping position 101 or a first clamping convex 102, and the outer wall of the connection sleeve 30 is provided with a second clamping position 103 or a second clamping convex 104.
(2) Taking a core body, coating a rubber bag 50 outside the core body, and then coating carbon fiber cloth outside the rubber bag 50 to prefabricate and form the middle pipe 20.
(3) The front end of the prefabricated middle tube 20 is connected with the racket frame 10, and the rear end of the middle tube 20 is inserted into the connection sleeve 30.
(4) A molded handle 40 is prefabricated outside the connection sleeve 30, thus obtaining a semi-finished product.
(5) And heating the semi-finished product in a mold to enable the middle tube 20 and the racket handle 40 to be solidified and formed, filling fluid into the rubber bag 50 in the heating process to enable the rubber bag 50 to expand and pressurize the inner wall of the middle tube 20, enabling the middle tube 20 to be attached to the inner wall of the connecting sleeve 30 for solidification and forming, and enabling the racket handle 40 to be attached to the outer wall of the connecting sleeve 30 for solidification and forming. In this embodiment, the fluid is a gas, or may be a liquid, but is not limited to this.
(6) After the middle tube 20 and the racket handle 40 are solidified, the front end and the rear end of the middle tube 20 are respectively connected with the racket frame 10, the connecting sleeve 30 and the racket handle 40 in an integrated mode, and the finished product is taken out after the die is opened. In this embodiment, the pouch 50 extends outwardly from the handle 40 through the through hole 41.
Referring to fig. 6 and 7, a detailed structure of an integrated badminton racket according to a second preferred embodiment of the present invention is shown, which is substantially the same as that of the first preferred embodiment, except that:
in this embodiment, the connecting sleeve 30 is concave and convex, and a first clamping position 101 is formed on the inner wall of the connecting sleeve 30, and a second clamping protrusion 104 is formed on the outer wall of the connecting sleeve 30, and correspondingly, the first clamping protrusion 102 is formed by extruding the middle tube 20 to extend out of the outer wall, and the second clamping position 103 is located on the inner wall of the racket handle 40.
The manufacturing method of this embodiment is substantially the same as that of the first preferred embodiment, and will not be described in detail here.
Referring to fig. 8 and 9, a detailed structure of an integrated badminton racket according to a third preferred embodiment of the present invention is shown, which is substantially the same as that of the first preferred embodiment, except that:
in this embodiment, the connection sleeve 30 is convex and concave, and a first locking protrusion 102 is formed on the inner wall of the connection sleeve 30, and a second locking position 103 is formed on the outer wall of the connection sleeve 30, and correspondingly, the first locking position 101 is formed by concave inward extrusion of the middle tube 20, and the second locking protrusion 104 is located on the inner wall of the racket handle 40.
The manufacturing method of this embodiment is substantially the same as that of the first preferred embodiment, and will not be described in detail here.
The design focus of the invention is that: through prefabricating earlier and solidifying adapter sleeve, well pipe and handle, and through first screens and the protruding cooperation card of first card between adapter sleeve's inner wall and the rear end outer wall of well pipe hold, hold through the protruding cooperation card of second screens and second card between the inner wall of handle and the adapter sleeve's the outer wall for well pipe and handle combine more firmly, are difficult for deviating from, promote the product quality, have prolonged the life of product greatly, and production efficiency has obtained very big improvement, is favorable to the increase of productivity, and this product overall weight is lighter simultaneously, and the feel is better.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.
Claims (10)
1. An integral type racket, its characterized in that: comprises a racket frame, a middle tube, a connecting sleeve and a racket handle; the front end of the middle tube is connected with the racket frame, the middle tube is made of carbon fiber, and a flow passage for filling fluid is arranged in the middle tube; the connecting sleeve is of a hollow structure with openings at the front end and the rear end, the connecting sleeve is sleeved outside the rear end of the middle pipe, and the inner wall of the connecting sleeve is clamped with the outer wall of the rear end of the middle pipe through a first clamping position and a first clamping protrusion in a matched manner and is integrally formed and fixed together; the racket handle is sleeved outside the connecting sleeve, a through hole for filling fluid is formed in the rear end of the racket handle, the through hole is communicated with the flow passage, and the inner wall of the racket handle is clamped with the outer wall of the connecting sleeve through second clamping positions and second clamping protrusions.
2. The integrated badminton racket of claim 1, wherein: the first clamping position is positioned on the inner wall of the connecting sleeve, the corresponding first clamping protrusion is formed by extruding the middle pipe to extend out of the outer wall, the second clamping position is positioned on the outer wall of the connecting sleeve, and the corresponding second clamping protrusion is formed by extruding the racket handle to extend out of the inner wall.
3. The integrated badminton racket of claim 2, wherein: the second clamping position is communicated with the first clamping position, and the second clamping protrusion is integrally connected with the first clamping protrusion.
4. The integrated badminton racket of claim 1, wherein: the connecting sleeve is internally concave and externally convex, a first clamping position is formed on the inner wall of the connecting sleeve, a second clamping protrusion is formed on the outer wall of the connecting sleeve, and correspondingly, the first clamping protrusion is formed by extruding the middle pipe to extend out of the outer wall, and the second clamping position is positioned on the inner wall of the racket handle.
5. The integrated badminton racket of claim 1, wherein: the connecting sleeve is internally convex and externally concave, a first clamping protrusion is formed on the inner wall of the connecting sleeve, a second clamping position is formed on the outer wall of the connecting sleeve, and correspondingly, the first clamping position is formed by inwards concave extrusion of the middle pipe, and the second clamping protrusion is positioned on the inner wall of the racket handle.
6. The integrated badminton racket of claim 1, wherein: the connecting sleeve is formed by solidifying carbon fibers.
7. The integrated badminton racket of claim 1, wherein: the inner wall and the outer wall of the racket handle are both made of carbon fiber materials.
8. A method for manufacturing an integrated badminton racket according to any one of claims 1 to 7, characterised in that: the method comprises the following steps:
(1) Prefabricating and solidifying a connecting sleeve, wherein the inner wall of the connecting sleeve is provided with a first clamping position or a first clamping protrusion, and the outer wall of the connecting sleeve is provided with a second clamping position or a second clamping protrusion;
(2) Taking a lower core body, coating a rubber bag outside the core body, and then wrapping carbon fiber cloth outside the rubber bag to prefabricate and form a middle pipe;
(3) Connecting the front end of the prefabricated middle tube with the racket frame, and inserting the rear end of the middle tube into the connecting sleeve;
(4) Prefabricating a formed racket handle outside the connecting sleeve, so as to obtain a semi-finished product;
(5) Heating the semi-finished product in a mould to enable the middle tube and the racket handle to be solidified and formed, filling fluid into the rubber bag in the heating process to enable the rubber bag to expand and pressurize the inner wall of the middle tube, enabling the middle tube to be attached to and solidified and formed on the inner wall of the connecting sleeve, and enabling the racket handle to be attached to and solidified and formed on the outer wall of the connecting sleeve;
(6) After the middle tube and the racket handle are solidified, the front end and the rear end of the middle tube are respectively connected with the racket frame, the connecting sleeve and the racket handle in an integrated mode, and the mould is opened and the finished product is taken out.
9. The method for manufacturing the integrated badminton racket according to claim 8, wherein: the fluid in the step (5) is gas.
10. The method for manufacturing the integrated badminton racket according to claim 8, wherein: the rubber bag penetrates through the through hole and extends out of the racket handle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310012267.1A CN116036558A (en) | 2023-01-05 | 2023-01-05 | Integrated badminton racket and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310012267.1A CN116036558A (en) | 2023-01-05 | 2023-01-05 | Integrated badminton racket and manufacturing method thereof |
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Publication Number | Publication Date |
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CN116036558A true CN116036558A (en) | 2023-05-02 |
Family
ID=86131004
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CN202310012267.1A Pending CN116036558A (en) | 2023-01-05 | 2023-01-05 | Integrated badminton racket and manufacturing method thereof |
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CN (1) | CN116036558A (en) |
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2023
- 2023-01-05 CN CN202310012267.1A patent/CN116036558A/en active Pending
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