CN109276860A - Sport ball and sport ball production method - Google Patents
Sport ball and sport ball production method Download PDFInfo
- Publication number
- CN109276860A CN109276860A CN201811415490.6A CN201811415490A CN109276860A CN 109276860 A CN109276860 A CN 109276860A CN 201811415490 A CN201811415490 A CN 201811415490A CN 109276860 A CN109276860 A CN 109276860A
- Authority
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- China
- Prior art keywords
- layer
- sport ball
- mold
- rubber liner
- skin graft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 229920001971 elastomer Polymers 0.000 claims abstract description 47
- 239000010985 leather Substances 0.000 claims abstract description 29
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 240000002853 Nelumbo nucifera Species 0.000 claims description 19
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 19
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000004513 sizing Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000002649 leather substitute Substances 0.000 claims description 4
- 238000005486 sulfidation Methods 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 abstract description 8
- 238000009958 sewing Methods 0.000 abstract description 7
- 239000003292 glue Substances 0.000 abstract description 6
- 239000011230 binding agent Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 210000003491 skin Anatomy 0.000 description 30
- 239000004745 nonwoven fabric Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000002615 epidermis Anatomy 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920003052 natural elastomer Polymers 0.000 description 3
- 229920001194 natural rubber Polymers 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013007 heat curing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WWUVLNPEWUTCEI-KRWDZBQOSA-N Flowerone Chemical group C1=C(O)C(CC=C(C)C)=CC([C@H]2OC3=C(O)C(O)=CC(O)=C3C(=O)C2)=C1 WWUVLNPEWUTCEI-KRWDZBQOSA-N 0.000 description 1
- 240000007817 Olea europaea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/02—Bladders
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/08—Ball covers; Closures therefor
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/10—Bladder and cover united
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B45/00—Apparatus or methods for manufacturing balls
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a kind of sport balls and sport ball production method, the sport ball includes rubber liner, twines yarn layer, cementing layer and four layers of leather layer, it twines yarn layer and is arranged in rubber liner surface, cementing layer is included outside yarn layer twining, the raw material of cementing layer is raw stock, and cementing layer and external leather layer are through vulcanizate integrator.Sport ball is divided into four-layer structure by the present invention, and arrangement twines yarn layer on rubber liner, and cementing layer is included outside yarn layer twining, and cementing layer and external leather layer vulcanize gluing, and leather layer is made of several skin grafts for constituting movement ball surface.It combines together after low temperature short vulcanization processing between cementing layer and skin graft, both any glue class binder is not used, the raising production and the use upper feature of environmental protection and fastness of amplitude peak, it is connected again without using any sewing line, product manufacturing is automatically performed by mold, it effectively saves labour turnover, improves working efficiency.
Description
Technical field
The present invention relates to ball sports articles field, especially a kind of sport ball and sport ball production method.
Background technique
The sport ball of the rubber material such as football and vollyball is common sport ball, is generally made in ball sport
With.The surface of football is usually spliced by 32 skin grafts, including 12 regular pentagon skin grafts and 20 regular hexagon skin grafts.Root
According to the difference of manufacture craft, football can be divided into rubber football, sewing football and manual sticker football.Rubber football is led to by rubber
Rolled-to-death rubber is in blocks, and patch in a mold, is made, spherome surface is one by high temperature, the direct heat cure processing molding of high pressure by hand
Whole, the lines on surface is to suppress.This technology is due to being the direct heat cure shaping of rubber, and texture is hard, roundness
It is poor, and rubber smell is larger, and comforts of use are not high.Sewing football includes rubber liner, twines yarn layer and epidermis leather
Three layers, leather is cut into the piece number of needs by slicer, by machine or by hand using sewing line sewing connection, then will twine yarn
Rubber liner afterwards is put into the epidermis leather sewed, is sealed, is completed the production by hand.This technology is connected by sewing line
The firmness of each skin graft, product is not high, is easy to happen breakage and bursts at the seams, and does not have the effects of waterproof, sand control, sewn by hand
When producing efficiency it is low, higher cost.Manual sticker football includes rubber liner, non-woven fabrics and three layers of surface leather, and leather passes through
Slicer is cut into the piece number of needs, and brush coating water pastes non-woven fabrics on rubber liner, then by the skin graft back side brush coating of well cutting
Water is pasted on non-woven fabrics, is completed the production.This technology is pasted using glue, in every skin graft glue of football surface bonding
Conjunction area is small, and firmness is poor, is easy to happen cracking and falls off, and not can be carried out operation of cooling down, and make without waterproof, sand control etc.
With.Therefore, the prior art there are between skin graft or between skin graft and internal layer independently of one another, be connected with each other the disadvantages of not secured enough.
Summary of the invention
The applicant between skin graft existing for above-mentioned existing sport ball manufacture craft or between skin graft and internal layer each other
Independently, the disadvantages such as interconnection is insecure, easy cracking and damaged, complex manufacturing technology, and production efficiency is low, provide a kind of knot
The reasonable sport ball of structure and sport ball production method, can be realized by vulcanization gelatinization joint the one of internal layer raw rubber and leather layer at
Type improves the firm reliability of sphere epidermis leather, simplifies manufacture craft, improves production efficiency.
The technical solution adopted in the present invention is as follows:
A kind of sport ball, including rubber liner, yarn layer, cementing layer and four layers of leather layer are twined, it twines yarn layer and is arranged in rubber liner table
Face includes cementing layer twining outside yarn layer, the raw material of cementing layer is raw stock, and cementing layer and external leather layer are glued through vulcanization
Integrally.
As a further improvement of the above technical scheme:
Leather layer is made of several skin grafts for constituting movement ball surface.
It twines yarn layer and twines yarn sizing in the progress coiling of rubber liner surface.
The technical solution adopted in the present invention further include:
A kind of sport ball production method making the sport ball, comprising the following steps:
Step S1: production rubber liner twines yarn sizing in the progress coiling of rubber liner surface using yarn machine is twined, and formation twines yarn layer；
Step S2: the rubber liner for having twined yarn sizing and raw stock inclusion are integrated by automatic tape-wrapping machine, form cementing layer；
Step S3: artificial leather is cut into the skin graft of needs by slicer according to mold requirement；
Step S4: the skin graft of well cutting is put into order in lotus flower mold, and the bladders in step S2 is put into mold and is carried out
Molding processing, high pressure gas is filled in rubber liner and is heated to 50~60 degrees Celsius, and heating time is 40~60 seconds, then
Die sinking forms substantially spherical；
Step S5: substantially spherical is put into sulfurizing mould, and high pressure gas is filled with after molding and is heated to 90~100 degrees Celsius,
Heating time is 10~20 minutes, and raw stock is integrated in heating sulfidation with skin graft gluing, is then opened, sphere production
It completes.
As a further improvement of the above technical scheme:
In step S4, heating temperature is 55 degrees Celsius, and heating time is 50 seconds.
It in step S4, is vacuumized by the vacuum evacuation device in lotus flower mold, is adsorbed on skin graft securely in lotus flower mold.
In step S4, the inner wall of the upper mold of lotus flower mold and lower mold is spliced by several module unit pieces, upper mold
A spherical inner cavity, the shape and position distribution of unit piece and the skin graft of spherome surface are surrounded jointly after tool and lower mold clamping
It is corresponding.
In step S5, heating temperature is 98 degrees Celsius, and heating time is 15 minutes.
In step S5, the inner wall of the upper mold of sulfurizing mould and lower mold is an entirety, by several module unit piece groups
At surrounding a spherical inner cavity after upper mold and lower mold clamping jointly, the shape and position distribution and sphere table of unit piece
The skin graft in face is corresponding, has the raised line for forming skin graft impression in the boundary of unit piece.
Lotus flower mold lower mold a unit on piece be equipped with gaseous core pipe, on the lower mold of sulfurizing mould be equipped with pair
The gaseous core pipe answered, gaseous core pipe is inserted into rubber liner, for being filled with high pressure gas.
Beneficial effects of the present invention are as follows:
Sport ball is divided into four-layer structure by the present invention, and arrangement twines yarn layer on rubber liner, and cementing layer is included outside yarn layer twining,
Cementing layer and external leather layer vulcanize gluing, and leather layer is made of several skin grafts for constituting movement ball surface.Cementing layer and skin
It combines together after low temperature short vulcanization processing between piece, does not both use any glue class binder, the raising of amplitude peak
Production and the use upper feature of environmental protection and fastness, and connected without using any sewing line, product is automatically performed by mold
Manufacture, effectively saves labour turnover, and improves working efficiency.Cementing layer of the invention combines together with skin graft, and structure is stronger
Reliably, manufacture craft is more simple and efficient, improves production efficiency, while effectively solving sport ball and being easy to happen cracking and breakage etc.
Problem prolongs the service life, and comfort is more preferable.
The present invention carries out leading roughing by lotus flower mold, operates convenient for patch, and it is relatively artificial to adsorb patch
Patch and suture connection are more accurate, effectively solve the docking of movement ball surface not just, the problems such as line code is uneven, burst at the seams, fold,
Vulcanization finishing is carried out by sulfurizing mould, improves the quality and quality of sport ball finished product.Four-layer structure of the invention forms one
A close-connected entirety, waterproof in use, sand control, is unlikely to deform, the service life is longer by long-term use.Of the invention
Manufacture craft is to breach the bottleneck of the prior art for a technological innovation of traditional ball making process, have good economy
Value.
Detailed description of the invention
Fig. 1 is the schematic diagram of sport ball of the present invention.
Fig. 2 is the structure chart of sport ball of the present invention.
Fig. 3 is the schematic diagram of lotus flower mold, only shows lower mold in figure.
Fig. 4 is the schematic diagram of sulfurizing mould, only shows lower mold in figure.
Fig. 5 is the flow chart of sport ball production method of the present invention.
In figure: 1, rubber liner；2, yarn layer is twined；3, cementing layer；4, leather layer；5, skin graft；6, lotus flower mold；7, vulcanizing mold
Tool；8, unit piece；9, gaseous core pipe；10, raised line.
Specific embodiment
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.The present embodiment is illustrated this hair by taking football as an example
Bright technical solution.
As depicted in figs. 1 and 2, sport ball of the present invention includes rubber liner 1, twines yarn layer 2, cementing layer 3 and leather
4 four layers of layer.Rubber liner 1 is spherical shape, has a normally closed blow vent, twines yarn layer 2 and be distributed in 1 surface of rubber liner, twining
Cementing layer 3 is included outside yarn layer 2, cementing layer 3 and external leather layer 4 vulcanize gluing, if leather layer 4 is by constituting football surface
Dry hide piece 5 forms.Rubber liner 1 is the inner most structure of sphere, is made, is used for by the vulcanizing treatment of mold of natural rubber
Storage gas props up external structure and forms sphere, and natural rubber can guarantee the elasticity and air-tightness of football.Using twining yarn machine in rubber
1 surface of glue liner carries out coiling and twines yarn sizing, and formation twines yarn layer 2.Yarn machine is twined using fixed wire length and grams to guarantee to be made
The roundness and fastness of football occur the inflation of rubber liner 1 deformation and are squeezed and deformed, extend football after avoiding football from inflating
Service life.The raw material of cementing layer 3 is raw stock, and raw stock adds synthesis material to be process by refining glue by raw rubber.Pass through
The rubber liner 1 for having twined yarn sizing and raw stock inclusion are integrated by automatic tape-wrapping machine, form cementing layer 3.Leather layer 4 uses people
Work leather, leather base fabric use high resiliency high-density non-woven fabrics, and leather is required the skin for being cut into needs by slicer according to mold
Piece 5, each skin graft 5 compose an entirety by short vulcanization processing and cementing layer 3 in a mold.
Referring to Fig. 5, sport ball production method of the present invention includes: firstly, passing through the vulcanization of mold by natural rubber
Rubber liner 1 is made in processing, twines yarn sizing in the progress coiling of 1 surface of rubber liner using yarn machine is twined, formation twines yarn layer 2.Pass through
The rubber liner 1 for having twined yarn sizing and raw stock inclusion are integrated by automatic tape-wrapping machine, form cementing layer 3.Select leather base fabric
For the artificial leather of high resiliency high-density non-woven fabrics, artificial leather is cut into the skin of needs by slicer according to mold requirement
Piece 5.The skin graft 5 of well cutting is put into order in the upper/lower die of lotus flower mold 6, the vacuum means in lotus flower mold 6 are passed through
It sets and vacuumizes, be adsorbed on skin graft 5 securely in lotus flower mold 6, the bladders with cementing layer 3 is put into mold, is molded
Processing, high pressure gas is filled in rubber liner 1 and is heated to 50 ~ 60 degrees Celsius, preferably 55 degrees Celsius, heating time 40
~ 60 seconds, preferably 50 seconds.Then it is opened, forms substantially spherical.Substantially spherical is put into sulfurizing mould 7, height is filled with after molding
It calms the anger and body and is heated to 90 ~ 100 degrees Celsius, preferably 98 degrees Celsius, heating time is 10 ~ 20 minutes, preferably 15 minutes.It is raw
Film is impregnated with leather base fabric in heating sulfidation, is integrated by low temperature short vulcanization and 5 gluing of skin graft.Die sinking, football
It completes.As shown in figure 3, the inner wall of the upper mold of lotus flower mold 6 and lower mold is spliced by several module unit pieces 8,
The inner cavity of a football-shaped, the shape and position distribution and football of unit piece 8 are surrounded after upper mold and lower mold clamping jointly
The skin graft 5 on surface is corresponding.As shown in figure 4, the structure of sulfurizing mould 7 and lotus flower mold 6 are consistent, the difference is that its upper mold
Tool and lower mould inner wall are an entirety, have the raised line 10 for forming 5 impression of skin graft in the boundary of unit piece 8.In lotus flower
One unit piece 8 of the lower mold of mold 6 is equipped with gaseous core pipe 9, sets on a unit piece 8 of the lower mold of sulfurizing mould 7
There is a corresponding gaseous core pipe 9, gaseous core pipe 9 is filled with high pressure gas for being inserted into rubber liner 1 when processing.
The present invention is illustrated by taking football as an example, but is not limited to football when implementation, applies also for production vollyball, olive
Ball etc., the i.e. present invention to the shapes and sizes of sport ball there is no limit, as long as it is ball to meet the rubber made by mold cure,
It the technical solution can be made through the invention.Above description is explanation of the invention, is not to invention
It limits, without departing from the spirit of the invention, the present invention can make any type of modification.
Claims (10)
1. a kind of sport ball, it is characterised in that: including rubber liner, twine yarn layer, cementing layer and four layers of leather layer, twine yarn layer arrangement
On rubber liner surface, cementing layer is included outside yarn layer twining, the raw material of cementing layer is raw stock, cementing layer and external leather
Layer is through vulcanizate integrator.
2. sport ball according to claim 1, it is characterised in that: leather layer moves several skin graft groups of ball surface by constituting
At.
3. sport ball according to claim 1, it is characterised in that: twine yarn layer and on rubber liner surface carry out coiling to twine yarn fixed
Type.
4. a kind of sport ball production method for making sport ball described in claim 1, it is characterised in that: the following steps are included:
Step S1: production rubber liner twines yarn sizing in the progress coiling of rubber liner surface using yarn machine is twined, and formation twines yarn layer；
Step S2: the rubber liner for having twined yarn sizing and raw stock inclusion are integrated by automatic tape-wrapping machine, form cementing layer；
Step S3: artificial leather is cut into the skin graft of needs by slicer according to mold requirement；
Step S4: the skin graft of well cutting is put into order in lotus flower mold, and the bladders in step S2 is put into mold and is carried out
Molding processing, high pressure gas is filled in rubber liner and is heated to 50 ~ 60 degrees Celsius, and heating time is 40 ~ 60 seconds, is then opened
Mould forms substantially spherical；
Step S5: substantially spherical is put into sulfurizing mould, and high pressure gas is filled with after molding and is heated to 90 ~ 100 degrees Celsius, is added
The hot time is 10 ~ 20 minutes, and raw stock is integrated in heating sulfidation with skin graft gluing, is then opened, sphere has made
At.
5. sport ball production method according to claim 4, it is characterised in that: in step S4, heating temperature is 55 Celsius
Degree, heating time are 50 seconds.
6. sport ball production method according to claim 4, it is characterised in that: in step S4, by lotus flower mold
Vacuum evacuation device vacuumizes, and is adsorbed on skin graft securely in lotus flower mold.
7. sport ball production method according to claim 4, it is characterised in that: in step S4, the upper mold of lotus flower mold
Be spliced with the inner wall of lower mold by several module unit pieces, surrounded jointly after upper mold and lower mold clamping one it is spherical
Inner cavity, the shape and position distribution of unit piece are corresponding with the skin graft of spherome surface.
8. sport ball production method according to claim 4, it is characterised in that: in step S5, heating temperature is 98 Celsius
Degree, heating time are 15 minutes.
9. sport ball production method according to claim 4, it is characterised in that: in step S5, the upper mold of sulfurizing mould
Inner wall with lower mold is an entirety, is made of several module unit pieces, surrounds one jointly after upper mold and lower mold clamping
The inner cavity of a spherical shape, the shape and position distribution of unit piece are corresponding with the skin graft of spherome surface, have in the boundary of unit piece
The tangible raised line at skin graft impression.
10. sport ball production method according to claim 4, it is characterised in that: at one of the lower mold of lotus flower mold
Unit on piece is equipped with gaseous core pipe, and corresponding gaseous core pipe is equipped on the lower mold of sulfurizing mould, and gaseous core pipe is inserted into rubber liner, uses
In being filled with high pressure gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415490.6A CN109276860A (en) | 2018-11-26 | 2018-11-26 | Sport ball and sport ball production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415490.6A CN109276860A (en) | 2018-11-26 | 2018-11-26 | Sport ball and sport ball production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109276860A true CN109276860A (en) | 2019-01-29 |
Family
ID=65172678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811415490.6A Pending CN109276860A (en) | 2018-11-26 | 2018-11-26 | Sport ball and sport ball production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109276860A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865263A (en) * | 2019-04-16 | 2019-06-11 | 安平 | It is integrally formed ball and preparation process |
| CN110053286A (en) * | 2019-04-26 | 2019-07-26 | 惠州市浩强文体用品有限公司 | A kind of encapsulated football production technology of no oil spout |
| CN111603733A (en) * | 2020-06-16 | 2020-09-01 | 东莞市赫柏运动用品有限公司 | Production process of thermal bonding match football |
| WO2021022481A1 (en) * | 2019-08-02 | 2021-02-11 | 陈红维 | Foamed middle tire, rubber-pasted ball, and manufacturing method |
| CN115253222A (en) * | 2022-07-22 | 2022-11-01 | 南京鼎辉体育科技发展有限公司 | Production process of frame leather-covered sports ball |
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| CN103935058A (en) * | 2014-04-24 | 2014-07-23 | 福建元吉体育用品有限公司 | Novel manufacturing process of mechanically fitted basketball |
| CN104960213A (en) * | 2015-06-11 | 2015-10-07 | 通城辉隆体育用品有限公司 | Non-glue veneer gluing ball and manufacturing technology |
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| CN105797329A (en) * | 2016-03-18 | 2016-07-27 | 通城辉隆体育用品有限公司 | Inner tube and making method thereof |
| CN106984011A (en) * | 2016-01-21 | 2017-07-28 | 顽石运动智能科技（北京）有限公司 | Tire in a kind of basketball |
| CN108099231A (en) * | 2017-12-21 | 2018-06-01 | 王冠华 | A kind of manufacture craft of basketball |
| CN207493143U (en) * | 2017-11-22 | 2018-06-15 | 姚科冰 | integrated basketball |
| CN209500689U (en) * | 2018-11-26 | 2019-10-18 | 姚月良 | Sport ball |
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| CN103935058A (en) * | 2014-04-24 | 2014-07-23 | 福建元吉体育用品有限公司 | Novel manufacturing process of mechanically fitted basketball |
| CN104960213A (en) * | 2015-06-11 | 2015-10-07 | 通城辉隆体育用品有限公司 | Non-glue veneer gluing ball and manufacturing technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865263A (en) * | 2019-04-16 | 2019-06-11 | 安平 | It is integrally formed ball and preparation process |
| CN109865263B (en) * | 2019-04-16 | 2024-08-30 | 杨永灏 | Integrated ball and preparation process thereof |
| CN110053286A (en) * | 2019-04-26 | 2019-07-26 | 惠州市浩强文体用品有限公司 | A kind of encapsulated football production technology of no oil spout |
| WO2021022481A1 (en) * | 2019-08-02 | 2021-02-11 | 陈红维 | Foamed middle tire, rubber-pasted ball, and manufacturing method |
| CN111603733A (en) * | 2020-06-16 | 2020-09-01 | 东莞市赫柏运动用品有限公司 | Production process of thermal bonding match football |
| CN115253222A (en) * | 2022-07-22 | 2022-11-01 | 南京鼎辉体育科技发展有限公司 | Production process of frame leather-covered sports ball |
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