CN106466923A - The manufacture method of the ball fabric made with heat plasticity polyurethane material - Google Patents
The manufacture method of the ball fabric made with heat plasticity polyurethane material Download PDFInfo
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- CN106466923A CN106466923A CN201510506609.0A CN201510506609A CN106466923A CN 106466923 A CN106466923 A CN 106466923A CN 201510506609 A CN201510506609 A CN 201510506609A CN 106466923 A CN106466923 A CN 106466923A
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- heat plasticity
- polyurethane material
- plasticity polyurethane
- thermoplastic expanded
- fabric made
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Abstract
The invention discloses a kind of ball fabric made with heat plasticity polyurethane material and its manufacture method, comprise the steps of, first, heat plasticity polyurethane material addition foaming agent is foamed, then, by this heat plasticity polyurethane material extrusion molding, to obtain thermoplastic expanded material, then, roll-in is carried out to this thermoplastic expanded material, to obtain sheet material semi-finished product, then, embossed surface is carried out to a surface of this sheet material semi-finished product, so that predetermined stricture of vagina road to be printed off on this surface, and obtain sheet material pressed flower craft product, then, this sheet material pressed flower craft product is cut, connect lamellar body to obtain plural number, then, adjacent two connection lamellar bodies are taken to partly overlap and carries out high-cycle welding, to obtain connecting epidermis, finally, with high frequency, at least one groove mark is depicted to the surface being formed with this predetermined lines on this connection epidermis, to obtain ball fabric.
Description
Technical field
The invention relates to a kind of ball fabric, particularly relate to a kind of manufacture method of the ball fabric made with heat plasticity polyurethane material.
Background technology
Modern's life is busy, in order to maintain healthy and figure, motion miscellaneous can be engaged in, maintained or the personal physical function of strengthening and lifting immunity with reaching, general motion includes running, ball game, swimming etc., wherein, again with basketball, vollyball, tennis, and the ball game such as badminton is the most prevailing, compare up with other motions, not only study threshold is relatively low, also belong to suitable for all ages and can be happy together with friend "sport for all", in addition, space for activities due to them is not limited to indoor or outdoors, therefore, more become one of optimum selection activity of body-building and leisure in daily life.
For lifting with basketball, can be used as selecting direction from basketball specification, using area, severity, to meet the demand in different places and different behaviour in service.In recent years, because basketball movement development gets over precision, it is to consider to coordinate the affordable weight of all ages and classes layer and size, basketball is subdivided into and is suitable for less than 8 years old, less than 11 years old, the women of institute's has age, and the specification of the user of more than 12 years old, to lift the safety of use.
And the using area of basketball is divided into three kinds of place properties such as indoor and outdoor, room inside/outside shares, wherein, covered court mostly is wood floor, belong to the match level contest of high severity, therefore, indoor ball just must can stand the consume of fierce contest using corium or high-grade synthesis skin material (as superfine fibre, ZK), the feel of the material such as this, durability, and intensity.In addition, outdoor sports refer to the ground of the extremely roughs such as pitch or cement, because coarse surface can make basketball consume improve, so outdoor use ball is all quality of rubber materials, and for different ball match severity, the rubber of mixing different proportion, to provide the optimal ruggedness of player and feel.
In addition, the place that room inside/outside shares refers to the court on PU ground, can be used in various ground, its material is general synthesis skin, PU, PVC, ZK, by criteria for selections such as sex, age, place property, contest degree, to select the suitable basketball itself using.
Refering to Fig. 1, it is that TaiWan, China invents No. 200750 patent " basketball manufacture method ", it comprises the steps：It is in spherical interior plies 11 after one inflation is provided；This interior plies inflation is made to form a winding layer 12 after its outer surface；One rubber layer and a PU layer 13 are provided respectively；This rubber layer and this PU layer are combined and is divided into multiple empiecements 14 of reservation shape；The plurality of empiecement is incorporated into this winding layer outer surface and is collectively forming a spheroid 15；And this spheroid is heated sulfuration 16.
Whereby by interior plies, winding layer, rubber layer, and PU layer combines to carry out simultaneously, processing procedure can be simplified, shorten man-hour and reduces cost, and PU layer is through vulcanizing treatment, therefore basketball finished surface abrasion resistance can be improved, and PU layer and rubber interlayer are more tight because it through vulcanizing treatment, can be made to combine, and improve stability in use and the ruggedness of basketball finished product.
Via above narration it is known that existing basketball manufacture method still has the shortcomings that following generation when actually used：
First, expend the energy
Existing basketball is that to improve stability in use and the ruggedness of basketball finished product, and the length of cure time is depending on sizing material material, curing temperature and products thickness through vulcanizing treatment by PU layer with rubber interlayer.Only, known used sizing material material does not have the characteristic shortening cure time, does not simply fail to shorten processing time, also cannot reduce the energy of required consuming, and not have effect of environmental protection and energy saving.
2nd, do not meet economic benefit
Prior art is to produce basketball using PU material, produces because PU is used mostly moulding by casting mode, so produced waste material during manufacturing PU layer（Overflow burr, extrusion scrap rubber）, produce the final waste product occurring such as NG waste material of flaw, only can be reclaimed by recycle bin, and cannot directly return recycling, and not meet economic benefit.
3rd, process efficiency is not good
Existing is using stick adhesive rubber layer and PU layer, and mechanically press, cut into this plural empiecement again, afterwards each empiecement is incorporated into the outer surface of this winding layer using stick, and form a groove between adjacent two empiecements, finally multiple rubber strips are incorporated into groove on the spheroid after sulfuration using stick, third dimension, so numerous and diverse production procedure are had with basketball finished product, not only expends manufacturing man-hours, increase the expenditure of manufacturing cost more simultaneously, and cannot effectively lift process efficiency.
Disadvantages mentioned above all manifests variety of problems derived from existing basketball manufacture method institute on using, if design to be effectively improved existing processing procedure shortcoming, develop a kind of design shortening processing time and lifting prouctiveness, and simultaneously using the material that can be able to reuse after simple regeneration, to reach the target of the environmental protection and energy saving reducing environmental pollution, not only bigger business opportunity can be created for dealer, more can lift the competitiveness on market.
Content of the invention
In order to solve above-mentioned technical problem, one purpose of the present invention, providing a kind of manufacture method of the ball fabric made with heat plasticity polyurethane material, comprise a foamable step, an extrusion step, calandering steps, an embossing step, a cutting step, a welding step, and an indentation step.
First，Carry out this foamable step，One heat plasticity polyurethane material is added a foaming agent to be foamed，Then，Carry out this extrusion step，By this heat plasticity polyurethane material extrusion molding，To obtain a thermoplastic expanded material，Then，Carry out this calandering steps，Roll-in is carried out to this thermoplastic expanded material，To obtain a thickness uniform sheet material semi-finished product，Then，Carry out this embossing step，Embossed surface is carried out to a surface of this sheet material semi-finished product，So that a predetermined lines to be printed off on this surface，And obtain sheet material pressed flower craft product，Then，Carry out this cutting step，This sheet material pressed flower craft product is cut，To obtain multiple connection lamellar bodies，Then，Carry out this welding step，Adjacent two connection lamellar bodies are taken it to partly overlap and carry out high-cycle welding，To obtain a connection epidermis，Finally，Carry out this indentation step，With high frequency, at least one groove mark is depicted to the surface being formed with this predetermined lines on this connection epidermis，To obtain a ball fabric.
Another technological means of the present invention, it is to be that the manufacture method of the above-mentioned ball fabric made with heat plasticity polyurethane material is further included one and first mixes color step between this foamable step and this extrusion step, first mix in color step at this, it is to add a colorant in this heat plasticity polyurethane material, to change the color of this heat plasticity polyurethane material.
The another technological means of the present invention, be be the manufacture method of the above-mentioned ball fabric made with heat plasticity polyurethane material further include one between this extrusion step and this calandering steps heating stepses, in this heating steps, it is that this thermoplastic expanded material is heated, to soften this thermoplastic expanded material.
Another technological means of the present invention, it is to be that the manufacture method of the above-mentioned ball fabric made with heat plasticity polyurethane material is further included one and is located at second to mix color step after this calandering steps, second mix in color step at this, it is that the surface to this sheet material semi-finished product carries out surface coloring, to form a predetermined color on this surface.
Another technological means of the present invention, it is to be that the manufacture method of the above-mentioned ball fabric made with heat plasticity polyurethane material further includes a laminating step between this calandering steps and this embossing step, in this laminating step, it is two sheet material semi-finished product to be overlapped and with high-cycle welding together, to obtain a pair of layer of sheet material.
The another technological means of the present invention, it is to be that the manufacture method of the above-mentioned ball fabric made with heat plasticity polyurethane material is further included one and prolongs pressure step between this laminating step and this embossing step, prolong in pressure step at this, it is that this double layer sheet is carried out prolonging pressure, to obtain a thickness uniform double layer sheet semi-finished product.
Another object of the present invention, that is, providing a kind of ball fabric made with heat plasticity polyurethane material, it comprises a thermoplastic expanded material, and the thickness of this thermoplastic expanded material is between 2 ~ 6mm, and its density is between 0.2
g/cm3~0.8g/cm3.
The another technological means of the present invention, be above-mentioned another thermoplastic expanded material is further included with the ball fabric that heat plasticity polyurethane material is made, and this two thermoplastic expanded material is to be superimposed together up and down, and carries out welding with high frequency.
Another technological means of the present invention, be above-mentioned thermoplastic expanded material include a first surface, one in contrast to this first surface second surface, and one be formed at the embossed channels on this first surface.
Another technological means of the present invention, are to be that above-mentioned thermoplastic expanded material further includes at least one and delineates the groove mark on this embossed channels.
The beneficial functional of the present invention is, using the ball fabric made by this thermoplastic expanded material, it is not required to process through heat cure such as rubber or PU material, not only can effectively shorten production procedure, improving production efficiency, also can energy saving use, in addition, this thermoplastic expanded material more can in environment natural decomposition, produced with the doubt reducing manufacturing environment pollution, and by using this connection lamellar body of high-cycle welding, by the waiting drying time of adjacent for sticker capable of reducing using fixation two connection lamellar bodies, to shorten processing time, and then lift the efficiency of processing procedure.
Brief description
Fig. 1 is a schematic diagram, illustrates that existing TaiWan, China invents a kind of No. 200750 basketball manufacture method；
Fig. 2 is a generalized section, and the ball fabric that the present invention is made with heat plasticity polyurethane material is described；
Fig. 3 is a schematic perspective view, the aspect of the basketball made using this ball fabric；
Fig. 4 is a schematic flow sheet, and the first preferred embodiment of the manufacture method of the ball fabric that the present invention is made with heat plasticity polyurethane material is described；And
Fig. 5 is a schematic flow sheet, and the second preferred embodiment of the manufacture method of the ball fabric that the present invention is made with heat plasticity polyurethane material is described.
Description of reference numerals
3 thermoplastic expanded materials；
The thermoplastic expanded material of 3'；
31 first surfaces；
32 second surfaces；
33 lines；
34 groove marks；
900 ~ 911 steps.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Related Applications Patent characteristic for the present invention and technology contents, in the detailed description with reference to two preferred embodiments of schema for the following cooperation, can clearly present.
It should be noted that similar element is to make to represent to be identically numbered before being described in detail.
Special instruction, in this first preferred embodiment, is that this ball fabric is fabricated to basketball, during actual enforcement, also can be fabricated to other ball, such as vollyballs, dodgeball etc., should not be limited with person disclosed by this.Furthermore, because the composition of basketball has inner bag from the inside to surface, twines yarn, middle gallbladder, foaming layer, and epidermis etc., and the manufacture method of the ball fabric that the present invention is made with heat plasticity polyurethane material is to make the epidermis fabric of basketball, the emphasis of other parts not this case, therefore seldom repeat in this.
Refering to Fig. 2,3, be the ball fabric that the present invention is made with heat plasticity polyurethane material, this ball fabric comprises a thermoplastic expanded material 3, and the thickness of this thermoplastic expanded material 3 be between 2 ~ 6mm, and its density is between 0.2 g/cm3~0.8g/cm3.
This thermoplastic expanded material 3 has the physical and mechanical propertiess of vulcanite and the performance of technical process of soft plastic, so being not required to process through heat cure as rubber, only need to can be made into final products using simple plastic processing machine tool, not only can effectively shorten production procedure, improving production efficiency, also can energy saving use, furthermore, produced waste material in production process, can directly return recycling, to reduce environmental pollution, and then reach the environmental protection demand of recycling.In addition, this thermoplastic expanded material 3 except have good breathability, water proofing property and transparent be outside one's consideration, more can in environment natural decomposition, with reduce manufacturing environment pollution doubt produce.
Wherein, this thermoplastic expanded material 3 includes the embossed channels 33 that a first surface 31, is formed on this first surface 31 in contrast to the second surface 32, of this first surface 31, and at least one delineates the groove mark 34 on this embossed channels 33.
It is preferred that the present invention further includes another thermoplastic expanded material 3' with the ball fabric that heat plasticity polyurethane material is made, and this two thermoplastic expanded material 3,3' are to be superimposed together up and down, so that wherein two surface phases abut against, and carry out welding with high frequency.
Cooperation refers to Fig. 4, first preferred embodiment of the manufacture method of the ball fabric made with heat plasticity polyurethane material for the present invention, and this first preferred embodiment is according to the above-mentioned preparation method being carried out with the ball fabric that heat plasticity polyurethane material is made, and comprise a foamable step 900, one first mix color step 901, an extrusion step 902, calandering steps 903, a laminating step 904, prolong pressure step 905, an embossing step 906, a cutting step 907, a welding step 908, and an indentation step 909.
First, carry out this foamable step 900, a heat plasticity polyurethane material is added a foaming agent to be foamed.
In this first preferred embodiment, this heat plasticity polyurethane material is selected from polypropylene, high density polyethylene (HDPE), Low Density Polyethylene, linear low density polyethylene, and these combination, during actual enforcement, the heat plasticity polyurethane material of unlike material can be selected according to use demand, should not be as limit.
Before carrying out this foamable step 900, can be utilized a drying machine first to dry this heat plasticity polyurethane material, excessive moisture is evaporated, it is to avoid in down-stream, deriving surface produces the puzzlement of bubble to material, and then reduces the fraction defective of product.
Then, carry out this and first mix color step 901, be to add a colorant in this heat plasticity polyurethane material, to change the color of this heat plasticity polyurethane material, to meet the demand of different ball fabrics.
Then, carry out this extrusion step 902, by this heat plasticity polyurethane material extrusion molding, to obtain this thermoplastic expanded material 3.During actual enforcement, this heat plasticity polyurethane material can be poured into the entrance of an extruder, then output is extruded by the outlet of this extruder, to obtain this thermoplastic expanded material 3.
Then, carry out this calandering steps 903, roll-in is carried out to this thermoplastic expanded material 3, to obtain a thickness uniform sheet material semi-finished product.In this this calandering steps 903, it is by the thermoplastic expanded material 3 by the extruding output of this extruder, the screw rod being arranged oppositely using two carries out roll-in, to reduce the puzzlement of the film body became uneven of this thermoplastic expanded material 3, to facilitate following process operation.
Then, carry out this laminating step 904, be two sheet material semi-finished product to be overlapped and with high-cycle welding together, to obtain a pair of layer of sheet material.
Then, carry out this and prolong pressure step 905, be that this double layer sheet is carried out prolonging pressure, to obtain a thickness uniform double layer sheet semi-finished product.
Special instruction be, when the thickness of a piece of sheet material semi-finished product is insufficient for the demand of user, this laminating step 904 can be carried out and prolong pressure step 905 with this, to obtain increasing thickness and thickness uniform double layer sheet semi-finished product, otherwise, also this laminating step 904 can be omitted and prolong pressure step 905 with this, end, should not be as limit depending on use demand.
Then, carry out this embossing step 906, embossed surface is carried out to a surface of this sheet material semi-finished product, so that a predetermined lines 33 to be printed off on this surface, and obtain sheet material pressed flower craft product.In this first preferred embodiment, it is to be formed with granular screw rod using surface, multiple grainy surface are printed off on the surface of this sheet material semi-finished product, be fabricated to the skin-friction force after basketball to increase this ball fabric, and then lift the handling of ball-handling.And in order to carry out the screw rod lines of embossed surface, can change according to use demand, to meet customized demand.
Then, carry out this cutting step 907, suitable length is taken to this sheet material pressed flower craft product, and is cut using a guillotine, to obtain multiple connection lamellar bodies.
Then, carry out this welding step 908, adjacent two connection lamellar bodies are taken it to partly overlap and carry out high-cycle welding, to obtain a connection epidermis.By using this connection lamellar body of high-cycle welding, the waiting drying time of adjacent for sticker capable of reducing using fixation two connection lamellar bodies to shorten processing time, and then lifts the efficiency of processing procedure.
Finally, carry out this indentation step 909, with high frequency, at least one groove mark 34 is depicted to the surface being formed with this predetermined lines on this connection epidermis, to obtain a ball fabric.
Using the ball fabric made by heat plasticity polyurethane material, its resilience is good with wearability, and the place that may be not only suitable for indoor or outdoors uses, and also can provide the optimal feel of player and ruggedness.
Refering to Fig. 5, second preferred embodiment of the manufacture method of the ball fabric made with heat plasticity polyurethane material for the present invention, this second preferred embodiment is roughly the same with this first preferred embodiment, something in common repeats no more in this, difference is, the manufacture method of this ball fabric be omit this first mix color step 901, this laminating step 904, this prolong pressure step 905, this embossing step 906, this welding step 908, and this indentation step 909, and many heating stepses 910, and one second mix color step 911.
Special instruction, this second preferred embodiment is thermoplastic expanded material 3 to be transported to processing factory carry out successive process, to meet the product manufacturing demand of diversification.
This heating steps 910 is between this extrusion step 902 and this calandering steps 903, in this heating steps 910, is that this thermoplastic expanded material 3 is heated, to soften this thermoplastic expanded material 3.
And this second to mix color step 911 be between this calandering steps 903 and this cutting step 907, second mix in color step 911 at this, be that the surface to this thermoplastic expanded material 3 carries out surface coloring, so that a predetermined color to be formed on this surface.Second mix color step 911 by this heating steps 910 with this, be available for users to the demand producing different ball fabric thicknesses and color.
Finally, then by this thermoplastic expanded material 3 cut using this guillotine, a winding machine also can be additionally set simultaneously, the thermoplastic expanded material 3 after cutting is furled, processing factory is transported to facility and carries out successive process.
Through as shown in the above description, the manufacture method of the ball fabric that the present invention is made with heat plasticity polyurethane material has advantages below really：
First, environmental protection and energy saving
Using the ball fabric made by this thermoplastic expanded material 3, it is not required to process through heat cure such as rubber or PU material, not only can effectively shorten production procedure, improving production efficiency, also can energy saving use, in addition, this thermoplastic expanded material 3 more can in environment natural decomposition, with reduce manufacturing environment pollution doubt produce.
2nd, meet economic benefit
If the thermoplastic expanded material 3 of the present invention has generation waste material in production process, can directly return recycling, to reduce environmental pollution, and then reach the environmental protection demand of recycling, to meet economic benefit.
3rd, lift process efficiency
By using this connection lamellar body of high-cycle welding, the waiting drying time of adjacent for sticker capable of reducing using fixation two connection lamellar bodies to shorten processing time, and then lifts the efficiency of processing procedure.
In sum, the manufacture method of the ball fabric that the present invention is made with heat plasticity polyurethane material, by a series of work flow, by this heat plasticity polyurethane material through foamable, mix color, extrusion molding, roll-in, overlap, prolong pressure, be embossed, cut, welding, the step such as indentation, to obtain this ball fabric, during can reduce the waste of haulage time, reach the processed of coherency, and can time-consuming and cost, and then the competitiveness on lifting market, therefore really can reach the purpose of the present invention.
Embodiment described above is only the preferred embodiment lifted for absolutely proving the present invention, protection scope of the present invention not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is defined by claims.
Claims (10)
1. a kind of manufacture method of the ball fabric made with heat plasticity polyurethane material is it is characterised in that comprise the steps of：
One foamable step, a heat plasticity polyurethane material is added a foaming agent to be foamed；
One extrusion step, by this heat plasticity polyurethane material extrusion molding, to obtain a thermoplastic expanded material；
One calandering steps, carry out roll-in to this thermoplastic expanded material, to obtain a thickness uniform sheet material semi-finished product；
One embossing step, carries out embossed surface to a surface of this sheet material semi-finished product, to print off a predetermined lines on this surface, and obtains sheet material pressed flower craft product；
This sheet material pressed flower craft product is cut, to obtain multiple connection lamellar bodies by one cutting step；
Adjacent two connection lamellar bodies are taken it to partly overlap and carry out high-cycle welding, to obtain a connection epidermis by one welding step；And
One indentation step, depicts at least one groove mark to the surface being formed with this predetermined lines on this connection epidermis with high frequency, to obtain a ball fabric.
2. according to the manufacture method of the ball fabric made with heat plasticity polyurethane material described in claim 1, it is characterized in that, also comprise one and first mix color step between this foamable step and this extrusion step, first mix in color step at this, it is to add a colorant in this heat plasticity polyurethane material, to change the color of this heat plasticity polyurethane material.
3. according to the manufacture method of the ball fabric made with heat plasticity polyurethane material described in claim 1, it is characterized in that, also comprise one between this extrusion step and this calandering steps heating stepses, in this heating steps, it is that this thermoplastic expanded material is heated, to soften this thermoplastic expanded material.
4. according to the manufacture method of the ball fabric made with heat plasticity polyurethane material described in claim 3, it is characterized in that, also comprise one and be located at second to mix color step after this calandering steps, second mix in color step at this, it is that the surface to this sheet material semi-finished product carries out surface coloring, to form a predetermined color on this surface.
5. according to the manufacture method of the ball fabric made with heat plasticity polyurethane material described in claim 2 or 4, it is characterized in that, also comprise a laminating step between this calandering steps and this embossing step, in this laminating step, it is two sheet material semi-finished product to be overlapped and with high-cycle welding together, to obtain a pair of layer of sheet material.
6. according to the manufacture method of the ball fabric made with heat plasticity polyurethane material described in claim 5, it is characterized in that, also comprise one and prolong pressure step between this laminating step and this embossing step, prolong in pressure step at this, it is that this double layer sheet is carried out prolonging pressure, to obtain a thickness uniform double layer sheet semi-finished product.
7. a kind of ball fabric made with heat plasticity polyurethane material, comprise a thermoplastic expanded material it is characterised in that：
The thickness of this thermoplastic expanded material is between 2 ~ 6mm, and its density is between 0.2
g/cm3~0.8g/cm3.
8. according to the ball fabric made with heat plasticity polyurethane material described in claim 7 it is characterised in that also comprising another thermoplastic expanded material, and this two thermoplastic expanded material is to be superimposed together up and down, and carries out welding with high frequency.
9. according to the ball fabric made with heat plasticity polyurethane material described in claim 7 it is characterised in that this thermoplastic expanded material include a first surface, one in contrast to this first surface second surface, and one be formed at the embossed channels on this first surface.
10. according to described in claim 7, the groove mark on this embossed channels is delineated it is characterised in that this thermoplastic expanded material further includes at least one with the ball fabric that heat plasticity polyurethane material is made.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510506609.0A CN106466923B (en) | 2015-08-18 | 2015-08-18 | With the manufacturing method of ball fabric made of heat plasticity polyurethane material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506609.0A CN106466923B (en) | 2015-08-18 | 2015-08-18 | With the manufacturing method of ball fabric made of heat plasticity polyurethane material |
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| CN106466923A true CN106466923A (en) | 2017-03-01 |
| CN106466923B CN106466923B (en) | 2019-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973959A (en) * | 2020-09-15 | 2020-11-24 | 洞口县昌冠隆体育用品有限公司 | Manufacturing method of ball, TPU leather, vulcanizing mold and machine-pasted ball |
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| US7544318B2 (en) * | 2004-04-05 | 2009-06-09 | Illinois Tool Works Inc. | Method and apparatus for producing oriented plastic strap |
| CN101804704A (en) * | 2010-04-14 | 2010-08-18 | 全利机械股份有限公司 | Fibre product embossing device |
| CN102814050A (en) * | 2011-06-10 | 2012-12-12 | 赵东林 | Producing method and producing device of poly urethane (PU) foamed toy ball capable of touch-reading sounding through optical identification (OID) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7544318B2 (en) * | 2004-04-05 | 2009-06-09 | Illinois Tool Works Inc. | Method and apparatus for producing oriented plastic strap |
| CN101804704A (en) * | 2010-04-14 | 2010-08-18 | 全利机械股份有限公司 | Fibre product embossing device |
| CN102814050A (en) * | 2011-06-10 | 2012-12-12 | 赵东林 | Producing method and producing device of poly urethane (PU) foamed toy ball capable of touch-reading sounding through optical identification (OID) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111973959A (en) * | 2020-09-15 | 2020-11-24 | 洞口县昌冠隆体育用品有限公司 | Manufacturing method of ball, TPU leather, vulcanizing mold and machine-pasted ball |
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