CN101450248A - Sports ball inner-bag, ball and production method thereof - Google Patents
Sports ball inner-bag, ball and production method thereof Download PDFInfo
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- CN101450248A CN101450248A CNA200710194152XA CN200710194152A CN101450248A CN 101450248 A CN101450248 A CN 101450248A CN A200710194152X A CNA200710194152X A CN A200710194152XA CN 200710194152 A CN200710194152 A CN 200710194152A CN 101450248 A CN101450248 A CN 101450248A
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- enhancement layer
- tyre
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/02—Inflatable articles
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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
- A63B41/00—Hollow inflatable balls
- A63B41/02—Bladders
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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
- A63B45/00—Apparatus or methods for manufacturing balls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/04—Spherical articles, e.g. balls
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
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- Professional, Industrial, Or Sporting Protective Garments (AREA)
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Abstract
The invention provides a ball for sports, an inner of the ball for sports and a method thereof. The method includes steps as follows: providing an inflatable inner tube; rewinding fiber coated with adhesive substance on the inner tube for forming a first enhancing layer; applying a second enhancing layer on the first enhancing layer; and applying a coating layer. The ball for sports includes a rubber inner tube, the first enhancing layer, a medium layer, the second enhancing layer and the coating layer. The method is simple and easy to operate. The ball for sports manufactured by the method has an enhancing dual-layer, and has advantages of waterproof, anti-impact, adaptable, well ball shape, steady and uniform thickness of the ball wall and the ball orthocenter, good shape keeping ability and durability.
Description
Technical field
[0001] the present invention relates generally to ball for sports, the preparation method that is specifically related to the ball for sports inner bag and uses the ball for sports of this inner bag.
Background technology
[0002] generally speaking, the ball for sports that football, vollyball and handball etc. have an inflatable structure generally all has the rubber inner tube of inflation, the epidermal area that enhancement Layer and leather support.According to the different preparation methods of epidermal area, ball for sports can be divided into ball sewed by hand and paste ball.
[0003] no matter for pasting ball or ball sewed by hand, substantially all one deck enhancement layer that has can prevent that promptly rubber inner tube is out of shape and departs from the positive sphere of its application in the use of ball, also can prevent influences the service life of ball owing to wearing out that Effect of Environmental causes.Therefore, except other layer, the making of enhancement layer is also very important.
[0004] United States Patent (USP) discloses a kind of stickup ball No. 4333648, it comprises 5 layers: butyl rubber, strengthen wire winding layer, this wire winding layer is made by the nylon wire with certain intensity and fracture elongation, the intermediate rubber layer that forms by mould cure, adhesive linkage and corium or leatheret skin, this skin uses bonding way to make.Wire winding layer is difficult for fixing, and rubber layer applies complex process.
[0005] the United States Patent (USP) ball that also discloses a kind of like this structure No. 5772545: comprising: the inner tube of a tyre the same with above-mentioned ball, the same with above-mentioned stickup ball, the nylon wire of winding number km forms the coiling enhancement layer on the inner tube of a tyre, the end limit of multi-disc leather ball sheet is bent inwards, use line (about 500 Denier) to sew up and form epidermal area with sewing machine again, owing to existing enhancement layer, leather ball sheet not to need back lining materials, the leather ball sheet that uses is thin and soft, can use stitching sewing machine.The enhancement layer of Zhi Zuoing is difficult for fix in position like this, can produce slip, and the wall unevenness of inner bag is even.
[0006] U.S. Patent application the US2003/0078119A1 also discloses a kind of ball for sports, it comprises: the elasticity inner tube of a tyre of the sphere that is used to inflate, be formed on the lip-deep enhancement layer of the whole inner tube of a tyre, multi-disc leather ball sheet directly or by the whole or local rubber layer that covers bonds on the enhancement layer, wherein the outer edge part of leather ball sheet bends inwards, because bending part and increased thickness and regulate part, its backing leather layer.According to this patent application, the inner tube of a tyre also can have butyl rubber to be made into the sky spheroid, be useful on the pore of inflation above, enhancement layer is bonded on the inner tube of a tyre surface at the overlapping coiling of all directions on the inner tube of a tyre after the inflation and with it by for example about 3000 meters normal nylon yarns, perhaps fabric is sewn into sphere.Carry out after coiling owing to bonding, therefore, will around after line be fixed to the inner tube of a tyre of inflation before, be easy to generate around the back line is whole and move in time fix in position and cause enhancement layer phenomenon in uneven thickness, thereby make the ball center of gravity of making inhomogeneous, and complex manufacturing technology.
Summary of the invention
[0007] one of purpose of the present invention provides making ball for sports that overcomes above-mentioned prior art shortcoming and preparation method thereof.Method provided by the invention is easy and simple to handle, is easy to implement, and is suitable for producing in enormous quantities.The ball for sports sphere of using method of the present invention to make is good, and the thickness and the ball steadily of centre of gravity of the ball wall after the formation are even, and the retentivity and the durability of shape are are all stabilized and increased with respect to prior art, are not subject to the influence of external environment factor.No matter rainy day in four seasons cold snap can use, and performance and life-span can not be affected.
[0008] according to an aspect of the present invention, provide a kind of method of making the inner bag of ball for sports, may further comprise the steps: the described inner tube of a tyre is inflated by the valve on the inner tube of a tyre; The fiber that is coated with adhesive is formed first enhancement layer on the inner tube of a tyre; Outside described first enhancement layer, apply second enhancement layer; And the inner tube of a tyre that is applied with enhancement layer carried out drying.
[0009] according to the further feature of this invention, described second enhancement layer is the TR thin rubber layer that forms by electrostatic spraying.The amount of the thin layer rubber that is sprayed is the 5-20 gram.
[0010], also is included in and applies the step that described second enhancement layer applies intermediary layer before according to the further feature of this invention.Described intermediary layer is the conductive agent layer, and it immerses by the inner tube of a tyre that will have first enhancement layer, and certain hour forms in the conductive agent.Described Immersion time is 1-4 minute.Described Immersion time is preferably 2 minutes, dry 5 minutes then.
[0011], comprises that also the inner tube of a tyre that will have the TR thin rubber layer places the lane device of controlled temperature to heat, to promote dry step according to the further feature of this invention.Described baking temperature is 30-50 degree centigrade, and be 15 minutes the duration of heat.Comprise heated inner tube of a tyre air drying 8-10 minute, form standby inner bag.
[0012], also is included in after intact fibrage and carries out 30 minutes step of air dry according to the further feature of this invention.
[0013] according to the further feature of this invention, described fiber comprises nylon wire, artificial silk, cotton thread or their combination.The described inner tube of a tyre is made with rubber.
[0014], utilizes the step of coating unit adhesive coating and on the inner tube of a tyre of described inflation, twine the described step that is coated with the fiber of adhesive and almost carry out simultaneously, to form described first enhancement layer by coil winding machine according to the further feature of this invention.
[0015] according to another aspect of the present invention, provide a kind of inner bag that is used for ball for sports, comprising: the inflatable inner tube of a tyre, by the fiber that scribbles adhesive first enhancement layer of forming on the inner tube of a tyre of inflation, intermediary layer, and second enhancement layer.
[0016] according to the further feature of this invention, described intermediary layer is formed by conductive agent, and described second enhancement layer is easier to carry out so that apply.Described intermediary layer is to immerse in the conductive agent 2 minutes by the inner tube of a tyre that will be formed with first enhancement layer, forms in dry 5 minutes then.
[0017] according to the further feature of this invention, described second enhancement layer is the TR thin rubber layer that forms by electrostatic spraying.Described electrostatic spraying amount is the 5-20 gram.
[0018] according to another aspect of the present invention, provide a kind of method of making ball for sports, may further comprise the steps: the inner tube of a tyre that inflation is provided; The fiber that is coated with adhesive is formed first enhancement layer on the inner tube of a tyre; Outside described first enhancement layer, apply second enhancement layer; And apply exodermis.
[0019] according to the further feature of this invention, utilize the step of coating unit adhesive coating and on the inner tube of a tyre of described inflation, twine the described step that is coated with the fiber of adhesive and almost carry out simultaneously by coil winding machine, air dry is 30 minutes after twining, to form described first enhancement layer.
[0020] according to the further feature of this invention, also be included in and apply before described second enhancement layer, on the inner tube of a tyre, form the step of intermediary layer with described first enhancement layer, be easy to carry out so that spray the step of described second enhancement layer.Described intermediary layer is to immerse in the conductive agent by the inner tube of a tyre that will have described first enhancement layer to form in 2 minutes.
[0021] according to the further feature of this invention, described second enhancement layer forms by electrostatic spraying.Described second enhancement layer contains rubber, and the amount that is sprayed is the 5-20 gram.Comprise that further the inner tube of a tyre that will have the TR thin rubber layer places the tunnel-shaped device of controlled temperature to heat,, form second enhancement layer to promote rapid draing.Heating-up temperature is 30-50 degree centigrade, and be 15 minutes heat time heating time.
[0022] according to the further feature of this invention, also comprise the heat treated inner tube of a tyre of process was continued in air air dry 8-10 minute, form standby inner bag.
[0023] according to the further feature of this invention, described exodermis is to be sewed together by the nonwoven layer that will have leather skin and backing to form.
[0024] according to another aspect of the present invention, a kind of ball for sports is provided, comprise: the inflatable inner tube of a tyre, first enhancement layer that on the inner tube of a tyre of inflation, forms, second enhancement layer and exodermis, it is characterized in that described second enhancement layer is the TR thin rubber layer, it is applied on first enhancement layer by electrostatic spraying.
[0025] according to the further feature of this invention, described first enhancement layer is to be formed on the inner tube of a tyre by the fiber that is coated with adhesive so that around the inner tube of a tyre of fiber in described inflation on fix in position.
[0026], also is included in the intermediary layer that described first enhancement layer outside forms according to the further feature of this invention.Described intermediary layer immerses formation in 2 minutes in the conductive agent by the inner tube of a tyre that will have described first enhancement layer.
[0027] according to the further feature of this invention, described exodermis comprises the nonwoven layer of leather skin and backing.Described exodermis is to be formed by the polygonal leather sheet that the multi-disc of making has an arc limit.
[0028] inner bag and the ball for sports interindividual variation of the ball for sports of use method making of the present invention are little, and impact resistance is stronger, and long service life is not yielding, wear-resistant.Overcome the shortcoming of the ball of making in the prior art.
Description of drawings
[0029] below in conjunction with the drawings and specific embodiments purpose of the present invention and further feature are described in further detail.
[0030] Fig. 1 illustrates the flow chart of making the inner bag of ball for sports according to an embodiment of the invention.
[0031] Fig. 2 illustrates the flow chart of making the inner bag of ball for sports according to an embodiment of the invention.
[0032] Fig. 3 illustrates the sectional schematic diagram of the inner bag of the ball for sports of making according to an embodiment of the invention.
[0033] Fig. 4 illustrates the flow chart according to the making ball for sports of one embodiment of the present invention.
[0034] Fig. 5 illustrates the flow chart according to the making ball for sports of one embodiment of the present invention.
[0035] Fig. 6 illustrates the schematic diagram of the polygon ball sheet that is used to form exodermis.
[0036] Fig. 7 illustrates the sectional schematic diagram of the ball for sports of making according to an embodiment of the invention.
[0037] Fig. 8 illustrates the sectional schematic diagram of the ball for sports of making according to an embodiment of the invention.
The specific embodiment
[0038] Fig. 1 is a flow chart of making the inner bag of ball for sports according to an embodiment of the invention, make the method for the inner bag of ball for sports according to the present invention, may further comprise the steps:, inflate by 12 pairs of described inner tubes of a tyre 1 of the valve on the inner tube of a tyre, with the inner tube of a tyre 1 that inflation is provided in step 100; In step 102, the fiber that is coated with adhesive is formed first enhancement layer 2 on the inner tube of a tyre; In step 104, outside described first enhancement layer, apply second enhancement layer 4.
[0038] Fig. 2 illustrates the flow chart of an embodiment of the invention, in this embodiment, in step 200, is formed with valve 12 on the inner tube of a tyre made from rubber 1, with ready rubber inner tube inflation.In step 202, with the preprepared long fibre, for example nylon yarn or line, cotton, suitable any other union twist yarn or like fibrous wire rod stick with glue agent coating unit even adhesive coating on it, and adhesive can be this area adhesive with suitable hardening time or bonding agent commonly used.Utilize coil winding machine according to the thickness of the enhancement layer that will twine then or will just be coated with fiber all directions uniform winding on the inner tube of a tyre 1 of inflation of adhesive around the fiber plant (not shown), perhaps coating unit 21 and coil winding machine are successively almost started working simultaneously, coating unit 21 is adhesive coating or bonding agent 20 on fiber on one side, send to coil winding machine on one side, at this moment be fixed with the inner tube of a tyre of inflation on the coil winding machine, along with the fiber that is coated with adhesive transmits, coil winding machine begins and will be coated with the fiber of adhesive with all directions uniform winding on the inner tube of a tyre of inflation, up to the thickness of needs, referring to step 204.Coating unit 21 comprises container that adhesive 20 is housed and is placed on wherein driven running roller, and it places between the inner tube of a tyre 1 of inflation of yarn tube 22 and fiber to be wound, and the inner tube of a tyre 1 of inflation is rotatably mounted on fiber running roller 23.In step 206, the inner tube of a tyre that is wound with fiber is placed on air dry in air on (for example suspending) support 24, also can use the way of low temperature short time oven dry to carry out rapid draing, for example use drying unit (not shown) etc.Under the situation of air dry, generally the time that needs is about about 30 minutes in air.Different according to the difference of the adhesive that uses and weather conditions, can adjust drying time.And use therein adhesive can be any adhesive that gets final product the prior art of air dry in air, in another embodiment according to this invention, the step of adhesive coating was just being carried out before the described fiber that is coated with adhesive of all directions uniform winding on the inner tube of a tyre 1 of described inflation by coil winding machine, be fixed on the inner tube of a tyre of inflation more easily and better so that be coated with the fiber of adhesive, and avoid around after fiber or wire rod produces the slip of different directions owing to itself or extraneous reason or cause the coiling thickness of a part of spheroid thicker or thin than another part, thereby can be fixed on the inner tube of a tyre of inflation in time, produce uniformly around fiber or line layer thickness, handle through super-dry again, form first enhancement layer.In step 207, the inner tube of a tyre with first enhancement layer of drying is immersed a period of time in the conductive agent 26, take out air-dryly then, form interlayer 3.In step 208, outside the first fortifying fibre layer, on described first enhancement layer, spray skim rubber equably with electrostatic sprayer 28.In step 210, after evenly spraying rubber layer, can dry at suitable temperature passing through in the drying unit that is placed on Controllable Temperature on the inner tube of a tyre line timber 24 that sprays, for example in the heater of about 30-50 degree, heated about 10-20 minute at channel-type, preferred about 15 minutes, quickening drying, thereby form second enhancement layer.Also can select the heating of shorter time, air dry in air then.The air drying time is about 8-10 minute, to form the standby double-deck inner bag that strengthens structure that has.Should be appreciated that for technology implement easy, also can select the method for high-temperature heating slightly or long-time air drying separately.The use of this second enhancement layer makes the first fortifying fibre layer keep well putting in place, even also can not come off or landing, but also can prevent first fortifying fibre layer suction when sleety weather uses ball in different climate temperature condition (for example subzero 10 Celsius ° to above freezing 40 Celsius °).
[0039] thickness of the thin layer that sprays as required can be selected spraying to the amount with the rubber on first enhancement layer, and preferred quantity for spray is about 5-20 gram.The inner bag good springiness of the sport ball with extra enhancement layer and fixation that forms according to embodiments of the invention, waterproof, wall thickness is even, can use in any common weather, and manufacture method is simple and easy to do.Under situation about producing in enormous quantities, still can guarantee the stability of performance between single ball and each ball.
[0040] according to another implementation of the invention, before applying second enhancement layer, can also apply intermediary layer 3.Described intermediary layer is the conductive agent layer, can help electrostatic spraying by applying the conductive agent layer, and follow-up electrostatic painting process is easier to carry out thereby make.This conductive agent layer is to apply by following method: the inner tube of a tyre that is formed with the first coiling enhancement layer above inciting somebody to action is immersed in the container 26 that conductive agent is housed one by one to be placed about 1-4 minute, for example about 2 minutes, be suspended on the support 24 the natural air drying number then and minute get final product, be preferably about 5 minutes drying time.Described conductive agent can be an electrostatic spraying field conductive agent commonly used.
Should be appreciated that [0041] inner tube of a tyre also can be the inner tube of a tyre of other suitable material, for example natural or artificial rubber.
[0042] sectional schematic diagram of the inner bag of the ball for sports that provides according to an embodiment of the invention is provided Fig. 3, as shown in FIG., it comprises: the inflatable inner tube of a tyre 1, by fibroplastic first enhancement layer 2 that scribbles adhesive, intermediary layer 3, and second enhancement layer 4.
[0043] above-mentioned intermediary layer 3 is formed by conductive agent, so that apply described second enhancement layer, 4 easier carrying out.Described intermediary layer 3 is that the inner tube of a tyre 1 by will being formed with first enhancement layer 2 immerses in the container 26 that conductive agent is housed and to form in about 2 minutes.Described second enhancement layer 4 is TR thin rubber layers, and it forms with the rubber of electrostatic sprayer 28 by the about 5-20 gram of electrostatic spraying.Also can spray other material with similar performance and water-proof function.The rubber layer of spraying can also be filled the many little space that first fibrage stays except effect above-mentioned, so that the wall of inner container or the ball wall that form are more even.Go up on the inner tube of a tyre of inflation and after fiber that is coated with adhesive or line, inner tube of a tyre air dry a period of time in air also can be able to be adopted other mode drying faster.After evenly spraying the TR thin rubber layer, can in heater, heat certain hour and promote rapid draing, and in air drying a period of time, for example dry about 8-10 minute, to guarantee the inner bag bone dry.Such inner bag has improved dual enhancing waterproofing protection function after the exodermis of putting into ball, suitable various weather conditions use down; even also can guarantee not absorb water in rainy day cold and use in hot day; guarantee the serviceability of ball, the ball good springiness of manufacturing, good endurance.
[0044] Fig. 4 illustrates another embodiment of the invention, and this mode provides a kind of method of making ball for sports, may further comprise the steps: the inner tube of a tyre (step 310) that inflation is provided; The fiber that is coated with adhesive is formed first enhancement layer (step 312) on the inner tube of a tyre of inflation; Apply second enhancement layer (step 314) in the outside of described first enhancement layer; And applying exodermis (step 316), it is put into the exodermis of making then and realizes by having the inner bag venting of dual enhancement layer.
[0045] Fig. 5 illustrates the flow chart of making ball for sports according to an embodiment of the invention, inflates to rubber inner tube by the valve on the inner tube of a tyre 12 in step 400, with the inner tube of a tyre 1 that inflation is provided.In step 402, with coating unit 21 adhesive coating 20 on fiber, in step 404, the fibre guide that is coated with adhesive has been placed the coil winding machine 23 of inflatable inner tube on it, and the step of adhesive coating just realizes by coating unit 21 being placed between fiber wheel or yarn tube 22 and the coil winding machine 23 carrying out this by coil winding machine 23 before the described fiber that is coated with adhesive of the inner tube of a tyre 1 all directions uniform winding of described inflation.The inner tube of a tyre after twining hung on the support 24 in air air dry about 30 minutes, to form described first enhancement layer 2, referring to step 406, the generation type of this first enhancement layer makes wire winding layer fix in position in time, can be after not finishing winding step, because extraneous factor causes around the fibrage change, thereby makes first enhancement layer of formation inhomogeneous.In step 408, the inner tube of a tyre 1 that will have described first enhancement layer 2 is immersed in the container 26 that conductive agent is housed successively, stopped about 1 to 4 minute, preferred 2 minutes, taking-up suspends air-dry, form intermediary layer 3, the purpose that applies intermediary layer or conductive agent layer 3 is to make that follow-up spraying step is easier carries out, and use therein conductive agent can be normally used those conductive agents in the electrostatic spraying field.In step 410, utilize electrostatic sprayer 28 spraying skim rubber layers in intermediary layer 3 outsides, quantity for spray for example is about 5-20 gram.In step 412, the inner tube of a tyre that is coated with the TR thin rubber layer is placed on to send in the heater (not shown) on the support 24 heats, heating-up temperature for example is about 30-50 ℃, time is about 10-20 minute, it for example is 15 minutes, to promote rate of drying, to form second enhancement layer 4.Heater wherein can be a baking oven, tunnel-shaped or elongate tubular low-temperature heat stove, or similar heater.In step 414,, for example 8-10 minute, form second enhancement layer 4 of bone dry thus with above-mentioned inner tube of a tyre air dry a period of time in air.The formation of this enhancement layer can further strengthen the function of first enhancement layer, makes fibrage be difficult for suction, and inner bag has water-proof function, and anti-bad weather makes ball more shock-resistant.In step 416, multi-disc polygon leather ball sheet is sewn into exodermis, will have in the exodermis of packing into after the inner bag venting of dual enhancement layer, sew up opening, form ball for sports.Leather ball sheet wherein can bonding back sheet, nonwoven layer for example, and the ball sheet can be by making or pasting the formation exodermis, and exodermis can be made by natural leather or dermatine.
[0046] according to an embodiment of the invention, described second enhancement layer 4 forms by the suitable coating of electrostatic spraying outside first enhancement layer.Described second enhancement layer contains rubber, and the amount that is sprayed is about 5-20 gram.Pen Tu rubber or similar material not only play waterproof and strengthen flexible effect like this, and, can also fill the slight void that stays between the fiber of first enhancement layer or the line effectively.According to an embodiment of the invention, after the TR thin rubber layer being sprayed on first enhancement layer 2, the inner tube of a tyre that will have described TR thin rubber layer places the tunnel-shaped heater (not shown) of controlled temperature to heat, and to promote rapid draing, forms second enhancement layer 4.Also can directly adopt the method for air dry in the air to carry out drying.If the employing mode of heating, heating-up temperature is about 30-50 degree centigrade, and be about 10-40 minute heat time heating time, preferred about 15 minutes.Heater can be similar devices such as special Chang Guandao shape low-temperature heat stove, baking oven.Can also continue air dry a period of time in air through the heat treated inner tube of a tyre, for example about 8-10 minute, make its bone dry, form standby inner bag.Then, with multi-disc polygon ball sheet (for example pentagon and or hexagon, have the arc limit) be sewn into sphere (referring to Fig. 6) at reverse side, reserve one or the twice edge wouldn't make, be turned to the front, and in the exodermis 5 of packing into after will exitting by the inner bag with dual enhancement layer that said method is made, the edge of remainder is sewed up, form ball for sports.Wherein the edge of being made becomes certain radian.Also can adopt and outside standby inner bag, directly paste the method making exodermis that polygon ball sheet forms exodermis.Exodermis can adopt natural leather, the material that dermatine etc. are suitable.
[0047] Fig. 7 illustrates the sectional drawing of ball for sports of the present invention, the ball for sports that provides according to this mode comprises: the inflatable inner tube of a tyre 1, by to the inflation the inner tube of a tyre on around fibroplastic first enhancement layer 2, second enhancement layer 4 and exodermis 5, wherein said second enhancement layer is the TR thin rubber layer, and it uses flush coater to be applied on first enhancement layer by electrostatic spraying.
[0048], can also provide intermediary layer 3 in described first enhancement layer 2 outsides according to an embodiment of the invention.Described intermediary layer immerses formation in about 2 minutes in the conductive agent by the inner tube of a tyre that will have described first enhancement layer.Intermediary layer 3 makes the rubber layer of follow-up electrostatic spraying easier of on first enhancement layer.
[0049] according to an embodiment of the invention, referring to Fig. 8, described exodermis comprises leather outer 5 and back sheet 6, and for example nonwoven layer if exodermis uses natural leather, also can not used back sheet 6.Described exodermis 5 is to have (referring to Fig. 6) that the polygonal leather sheet on arc limit forms by the multi-disc of making, and also can form by the polygon exodermis being bonded on second enhancement layer 4.The formation of second enhancement layer makes the inner bag of ball for sports of the present invention have dual enhancing function, shock resistance, and good springiness, sphere is good, and the wall thickness of ball is even, and has the function of waterproof, has both made in the sleet sky and also can use.
[0050] according to an embodiment of the invention, described fiber was coated with adhesive before being wound, so that around the inner tube of a tyre of fiber in described inflation on fix in position, adhesive applies by coating unit 21, the fiber that will just coat adhesive then before adhesive solidification, utilize coil winding machine 23 with all directions uniform winding to the rubber inner tube 1 of inflation, be wound into certain thickness as required, air dry a period of time in air then, for example dry 10 minutes to one hour, preferred dry 30 minutes, to form first enhancement layer 2.
[0051] inner bag and the ball for sports good springiness of the ball for sports of use method making of the present invention, impact resistance is stronger, waterproof, long service life, not yielding, wear-resistant.Overcome the shortcoming of the ball that uses the prior art making.
[0052] though invention has been described and explanation with reference to the specific embodiment and accompanying drawing, above-mentioned specific or detail also is not intended to limit the invention.The person of ordinary skill in the field can carry out suitable change, omission or replacement to above-described step or parts, for example, omit intermediary layer 3 (referring to Fig. 7), directly spray suitable material, do not utilize heating, and directly air dry etc. in air, and these modifications and changes all without departing from the spirit and scope of the present invention.Therefore, protection scope of the present invention is as the criterion with claims.
Claims (35)
1. method of making the inner bag of ball for sports may further comprise the steps:
The inner tube of a tyre of inflation is provided;
The fiber that is coated with adhesive is formed first enhancement layer on the inner tube of a tyre of described inflation;
And
Outside described first enhancement layer, apply second enhancement layer.
2. method according to claim 1 is characterized in that: described second enhancement layer is the TR thin rubber layer that forms by electrostatic spraying.
3. method according to claim 2 is characterized in that: the amount of the thin layer rubber that is sprayed is the 5-20 gram.
4. method according to claim 1 is characterized in that: further be included in and apply the step that described second enhancement layer applies intermediary layer before.
5. method according to claim 4 is characterized in that: described intermediary layer is the conductive agent layer, and it immerses by the inner tube of a tyre that will have first enhancement layer, and certain hour forms in the conductive agent.
6. method according to claim 5 is characterized in that: described Immersion time is 1-4 minute.
7. method according to claim 6 is characterized in that: described Immersion time is 2 minutes, dry 5 minutes then.
8. according to claim 2 or 3 described methods, it is characterized in that: comprise that further the inner tube of a tyre that will have the TR thin rubber layer places the lane device of controlled temperature to heat, to promote dry step.
9. method according to claim 8 is characterized in that: described baking temperature is 30-50 degree centigrade, and be 15 minutes the duration of heat.
10. method according to claim 9 is characterized in that: further comprise the heated inner tube of a tyre forming standby inner bag at air drying 8-10 minute.
11. method according to claim 1, it is characterized in that: utilize the step of coating unit adhesive coating and on the inner tube of a tyre of described inflation, twine the described step that is coated with the fiber of adhesive and almost carry out simultaneously, to form described first enhancement layer by coil winding machine.
12. method according to claim 1 is characterized in that: further be included in 30 minutes step of air dry after intact fibrage.
13. method according to claim 1 is characterized in that: described fiber comprises nylon wire, artificial silk, cotton or their combination.
14. according to the described method of claim 1-7, it is characterized in that: the described inner tube of a tyre is made with rubber.
15. an inner bag that is used for ball for sports comprises: the inflatable inner tube of a tyre, by the fiber that scribbles adhesive first enhancement layer of forming on the inner tube of a tyre of inflation, intermediary layer, and second enhancement layer.
16. inner bag according to claim 15 is characterized in that: described intermediary layer is formed by conductive agent, and described second enhancement layer is easier to carry out so that apply.
17. according to claim 15 or 16 described inner bags, it is characterized in that: described intermediary layer is to immerse in the conductive agent by the inner tube of a tyre that will be formed with described first enhancement layer to form in 2 minutes.
18. according to claim 15 or 16 described inner bags, it is characterized in that: described second enhancement layer is the TR thin rubber layer that forms by electrostatic spraying.
19. inner bag according to claim 18 is characterized in that: described electrostatic spraying amount is the 5-20 gram.
20. a method of making ball for sports may further comprise the steps:
The inner tube of a tyre of inflation is provided;
The fiber that is coated with adhesive is formed first enhancement layer on the inner tube of a tyre of described inflation;
Outside described first enhancement layer, apply second enhancement layer; And
Apply exodermis.
21. method according to claim 20, it is characterized in that: utilize the step of coating unit adhesive coating and on the inner tube of a tyre of described inflation, twine the described step that is coated with the fiber of adhesive and almost carry out simultaneously by coil winding machine, air dry is 30 minutes after twining, to form described first enhancement layer.
22. method according to claim 20 is characterized in that: further be included in and apply before described second enhancement layer, on the inner tube of a tyre, form the step of intermediary layer, be easy to carry out so that spray the step of described second enhancement layer with described first enhancement layer.
23. method according to claim 21 is characterized in that: described intermediary layer is to immerse in the conductive agent 2 minutes by the inner tube of a tyre that will have described first enhancement layer, forms in dry 5 minutes then.
24. method according to claim 20 is characterized in that: described second enhancement layer forms by electrostatic spraying.
25. method according to claim 24 is characterized in that: described second enhancement layer is the TR thin rubber layer, and the amount that is sprayed is the 5-20 gram.
26. method according to claim 25 is characterized in that: comprise that further the inner tube of a tyre that will have described TR thin rubber layer places the heater of controlled temperature to heat, to promote rapid draing.
27. method according to claim 26 is characterized in that: heating-up temperature is 30-50 degree centigrade, and be 15 minutes heat time heating time.
28. method according to claim 27 further comprises the heat treated inner tube of a tyre of process was continued in air dry 8-10 minute, forms standby inner bag.
29. method according to claim 20 is characterized in that: described exodermis is to be sewed together by the nonwoven layer that will have leather skin and backing to form.
30. a ball for sports comprises: the inflatable inner tube of a tyre, first enhancement layer that on the inner tube of a tyre of inflation, forms, second enhancement layer and exodermis is characterized in that, and described second enhancement layer is the TR thin rubber layer, and it is applied on described first enhancement layer by electrostatic spraying.
31. ball for sports according to claim 30 is characterized in that: described first enhancement layer is to be formed on the inner tube of a tyre by the fiber that is coated with adhesive so that around the inner tube of a tyre of fiber in described inflation on fix in position.
32. ball for sports according to claim 30 is characterized in that: also be included in the intermediary layer that described first enhancement layer outside forms.
33. ball for sports according to claim 32 is characterized in that: described intermediary layer immerses formation in 2 minutes in the conductive agent by the inner tube of a tyre that will have described first enhancement layer.
34. ball for sports according to claim 30 is characterized in that: described exodermis comprises the nonwoven layer of leather skin and backing.
35. ball for sports according to claim 30 is characterized in that: described exodermis is to be formed by the polygonal leather sheet that the multi-disc of making has an arc limit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710194152XA CN101450248A (en) | 2007-12-05 | 2007-12-05 | Sports ball inner-bag, ball and production method thereof |
| PCT/CN2008/001949 WO2009079918A1 (en) | 2007-12-05 | 2008-12-01 | Method of making an inner bladder for sports ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710194152XA CN101450248A (en) | 2007-12-05 | 2007-12-05 | Sports ball inner-bag, ball and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101450248A true CN101450248A (en) | 2009-06-10 |
Family
ID=40732844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710194152XA Pending CN101450248A (en) | 2007-12-05 | 2007-12-05 | Sports ball inner-bag, ball and production method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101450248A (en) |
| WO (1) | WO2009079918A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2689812A1 (en) * | 2011-03-25 | 2014-01-29 | Junnan Lin | A new type two-layer leak-proof ball and manufacturing method thereof |
| 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 |
| CN109107118A (en) * | 2017-06-23 | 2019-01-01 | 天津市赫恩思体育用品有限公司 | One bulb liner twines yarn feeding device |
| CN109518469A (en) * | 2018-11-09 | 2019-03-26 | 南通高桥体育用品有限公司 | The preparation process of tire yarn gallbladder in a kind of sport ball |
| CN115006806A (en) * | 2022-06-20 | 2022-09-06 | 南京鼎辉体育科技发展有限公司 | Process for invisible sewing of ball epidermis by utilizing closed cell structure foam |
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| CN109865263B (en) * | 2019-04-16 | 2024-08-30 | 杨永灏 | Integrated ball and preparation process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS188687B1 (en) * | 1977-04-13 | 1979-03-30 | Vladimir Uruba | Method of making the winder,wrapping the surface of inflated,provided with the filling valve ruibber air tube |
| DE19536844C1 (en) * | 1995-10-02 | 1997-04-10 | Bayer Ag | Process for electrostatic painting of non-conductive surfaces |
| CN2415793Y (en) * | 2000-02-24 | 2001-01-24 | 杨三福 | Volleyball with superfine fibre foam sponge layer structure |
| US6793597B2 (en) * | 2002-09-12 | 2004-09-21 | Jarrar Hussain Awan | Machine stitched soccer balls with floating bladder |
| CN2865784Y (en) * | 2005-08-02 | 2007-02-07 | 姚文中 | Exercising ball |
| CN1962075A (en) * | 2005-11-08 | 2007-05-16 | 佛山市顺德区汉达精密电子科技有限公司 | Method for electrostatic coating of rubber substrate |
-
2007
- 2007-12-05 CN CNA200710194152XA patent/CN101450248A/en active Pending
-
2008
- 2008-12-01 WO PCT/CN2008/001949 patent/WO2009079918A1/en active Application Filing
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| EP2689812A1 (en) * | 2011-03-25 | 2014-01-29 | Junnan Lin | A new type two-layer leak-proof ball and manufacturing method thereof |
| EP2689812A4 (en) * | 2011-03-25 | 2014-10-29 | Russell Brands Llc | A new type two-layer leak-proof ball and manufacturing method thereof |
| 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 |
| CN103935058B (en) * | 2014-04-24 | 2016-06-01 | 福建元吉体育用品有限公司 | Novel machine pastes the manufacture craft of basketball |
| CN109107118A (en) * | 2017-06-23 | 2019-01-01 | 天津市赫恩思体育用品有限公司 | One bulb liner twines yarn feeding device |
| CN109107118B (en) * | 2017-06-23 | 2020-07-24 | 天津市赫恩思体育用品有限公司 | Ball inner bag twines yarn device |
| CN109518469A (en) * | 2018-11-09 | 2019-03-26 | 南通高桥体育用品有限公司 | The preparation process of tire yarn gallbladder in a kind of sport ball |
| CN109518469B (en) * | 2018-11-09 | 2021-09-07 | 南通高桥体育用品有限公司 | Preparation process of yarn liner of middle tire of sports ball |
| CN115006806A (en) * | 2022-06-20 | 2022-09-06 | 南京鼎辉体育科技发展有限公司 | Process for invisible sewing of ball epidermis by utilizing closed cell structure foam |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009079918A1 (en) | 2009-07-02 |
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Open date: 20090610 |