CN201337790Y

CN201337790Y - Seamless ball structure improvement

Info

Publication number: CN201337790Y
Application number: CNU2008201825938U
Authority: CN
Inventors: 林美笋
Original assignee: LONGWEI INDUSTRY Co Ltd
Current assignee: LONGWEI INDUSTRY Co Ltd; Long Way Enterprise Co Ltd
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2009-11-04
Anticipated expiration: 2018-12-30
Also published as: US20100167850A1

Abstract

Disclosed is a seamless ball structure improvement, in particular to a seamless ball structure improvement applied to sports balls such as footballs, volleyballs and basketballs, an inner yarn layer, an emulsion layer and a sheath layer are disposed on the external surface of an inner liner, the emulsion layer filters into yarn gaps of the inner yarn layer, and an inner cloth layer disposed on the inner edge of the sheath layer is glued on the surface of the emulsion layer, wherein, the gluing state of the emulsion layer after heating and compression enables the emulsion layer to fully glue with the inner yarn layer and the sheath layer in a sealing way, so as to increase the structural strength, simplify and expedite manufacture procedures, and reduce costs, thereby forming an improved ball structure without sewing process.

Description

Seamless spherical structure improvement

Technical field

The utility model relates to a kind of seamless spherical structure improvement, refers to that especially a kind of spy is applicable to the seamless spherical structure improvement as football, vollyball and basketball and so on motion ball.

Background technology

In located by prior art, ball for athletic competition or amusement usefulness as football and vollyball etc., be the center at the inner bag ball of forming on the structure mostly all with the rubber material, outside cloth with the canvas material is around coating composition.

See also accompanying drawing 1, in wherein a kind of commonly using in the ball structure of diagram, described motion ball is made up of inner bag 10, inseam layer 11 and out-seam layer 12; The processing procedure of this kind located by prior art is: be most pieces with cloth cutting at first, it is all identical given shape, then the inner surface of out-seam layer 12 is coated viscose 13 and is attached inseam layer 11, then drying viscose 13 backlash cuts down and merge its sewing joint, turn-over formed a pocket after stitching finished, and sealed and inflate the adjustment shape behind the inner bag 10 of packing into.

In the above-mentioned structure of commonly using ball, at two adjacent layer of cloth intersections, that is suture 14, it is yielding to have a stressed back of pullling, and causes suture to expose gradually, in the course of time even further the shortcoming of fracture; And the inseam layer 11 of this kind located by prior art and out-seam layer 12 typically use canvas and make, and are not easy to attach fully firmly when multi-level attaching is binded, and cause 11 dislocation of out-seam layer 12 and inseam layer crooked when being subjected to shearing action easily.

See also accompanying drawing 2, commonly use in the ball structure in illustrated another kind, described motion ball is made up of inner bag 20, interior layer 21 and out-seam layer 22, and fills material 24 prior to being provided with one in the out-seam layer 22, again layer 21 in inner surface is coated viscose 23 attachings; Though commonly using ball, this kind replace described inseam layer 11 with interior layer 21, and to fill material 24 increase ball thickness, the raising structural strength is used and is avoided distortion and fracture, but still have and the accompanying drawing 1 described identical shortcoming of ball of commonly using at out-seam layer 22, even because the thickness of suture 25 reduces, so yielding all the better fracture when the suture 25 that approaches is subjected to shearing.

See also accompanying drawing 3, in illustrated another commonly use in the ball structure, described motion ball is made up of inner bag 30, inseam layer 31, out-seam layer 32 and exodermis 35, and described exodermis 35 is bonding on out-seam layer 32 surface, and in the staggered mode that coincides suture 34 is not exposed; Though commonly using ball, this kind increase ball thickness and structural strength with exodermis 35, but still have and the accompanying drawing 1 described identical shortcoming of ball of commonly using at inseam layer 31 and out-seam layer 32, more can cause the ball surface irregularity, be difficult to use because of the distortion or the broken string of suture 34.

Hence one can see that, except that indivedual shortcomings, the shortcoming that causes because of stitching arranged all in above-mentioned located by prior art, can't avoid truly having necessity of being improved because of suture suture distortion stressed, that caused when particularly being subjected to shear stress and fracture situation.

Summary of the invention

Main purpose of the present utility model is to provide a kind of seamless spherical structure improvement, can remedy the defective of the yielding and fracture of suture in the located by prior art, improves the structural strength of ball.

Being of a time syllabus of the present utility model provides a kind of seamless spherical structure improvement, and its manufacturing process is simple and easy fast, uses reducing cost.

In order to achieve the above object, the utility model is a kind of seamless spherical structure improvement, and the ball structure of described seamless ball comprises at least: an inner bag, this inner bag are the ball structure centre; Layer in one, layer twines the outer surface that is coated on described inner bag in this; One emulsion layer, this emulsion layer are applied in described interior layer outer surface; And an exodermis, this exodermis is attached at described emulsion layer outer surface.

In a possible embodiments, described exodermis inner surface is further smeared another emulsion layer.

In another possible embodiments, described exodermis is attached at the pressurization of heating behind the emulsion layer surface, makes emulsion layer present bonding state.

In a preferred embodiment, described exodermis comprises at least: an internal layer cloth, this internal layer cloth are inwardly directly fitted and are contacted emulsion layer; One seamless outer layer, this seamless outer layer is rearranged by the identical shaped outer adjacent spaces of most pieces; And one fill material, and this filling material is arranged at the central interlayer of internal layer cloth and seamless outer layer.

In a preferred embodiment, described seamless outer layer uses TPU (hot plastic polyurethanes) as making raw material; Filling material uses EVA (ethylene vinyl acetate copolymer) as making raw material.

The utility model is via the composition of the emulsion layer of interior layer, exodermis and central authorities, avoid using in the located by prior art suture to sew up adjacent cloth, the shortcoming that easily makes suture expose or rupture when stressed, improve the ball structural strength, more make make flow process simple and easy fast, can reduce cost, thereby form a kind of ball structure-improved that uses suturing skill that do not have.

Description of drawings

Fig. 1 is a kind of partial structurtes cross-section cutaway view of commonly using ball;

Fig. 2 is the partial structurtes cross-section cutaway view that another kind is commonly used ball;

Fig. 3 is another partial structurtes cross-section cutaway view of commonly using ball;

Fig. 4 is the partial perspective cutaway view of the utility model one preferred embodiment;

Fig. 5 is the cross-section cutaway view of Fig. 4 partial structurtes; And

Fig. 6 is the manufacturing flow chart of the utility model possible embodiments.

The primary clustering symbol description

10.. inner bag 32.. out-seam layer

11.. inseam layer 33.. viscose

12.. out-seam layer 34.. suture

13.. viscose 35.. exodermis

14.. suture 40.. ball

20.. inner bag 41.. inner bag

21.. layer in the interior layer 42..

22.. out-seam layer 43.. exodermis

23.. viscose 431.. seamless outer layer

Fill material 24.. fill material 432..

25.. suture 433.. internal layer cloth

30.. inner bag 44.. emulsion layer

The pressurized equipment 31.. inseam layer 50.. heats

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.

At first see also shown in the accompanying drawing 4,5, in an illustrated preferred embodiment, the inside center of ball 40 is an inflatable inner bag 41, and this inner bag 41 is selected rubber-like rubber material usually for use.

In described inner bag 41 surperficial winding yarns, being provided with one has specific thicknesses and fills the interior layer 42 of part applying inner bag 41, since should in layer 42 form by yarn, therefore when inner bag 41 inflations and venting, can be in response to the expansion and the contraction of inner bag 41, avoid the fold distortion, produce rough surface.

The latex of specific materials is smeared on layer 42 surfaces in described, form an emulsion layer 44, this emulsion layer 44 is in smearing to during layer 42, because interior layer 42 is made up of yarn, crack infiltration between emulsion layer 44 is understood evenly in yarn, the contact area of increase latex and yarn.

See also accompanying drawing 6, in shown in the making flow chart in, after emulsion layer 44 is smeared and finished, promptly insert the pressurized equipment 50 of heating, this pressurized equipment 50 of heating have one with ball 40 big small-sized shapes corresponding in concave space, and can be closed up and down; The described pressurized equipment 50 of heating is before the semi-finished product of inserting ball 40, in advance an exodermis 43 is arranged and pieced together the inner edge that is arranged at described interior concave space, use behind exodermis 43 applying emulsion layers 44, the pressurization of can heating rapidly, in the process of the pressurization of heating, emulsion layer 44 presents a bonding state, and layer 42 and seamless outer layer 43 fully closely attach in making, in the process of the pressurization of heating simultaneously in the side of the pressurized equipment 50 of heating with ball 40 inflations, make ball 40 be integrated into desire shape.

The composition of described exodermis 43, at least comprise seamless outer layer 431 from outside to inside, fill material 432 and internal layer cloth 433, described seamless outer layer 431 can directly visual member for the user, can present different external forms by adjacent the piecing together of difform blocks, external form as football, vollyball and basketball, in preferable production method, can use TPU (hot plastic polyurethanes) as making raw material; Described filling material 432 mainly can increase the thickness of exodermis 43, further improves structural strength to avoid the distortion damage, and in preferable production method, it can use EVA (ethylene vinyl acetate copolymer) as making raw material; Described internal layer cloth 433 is arranged at the innermost layer of exodermis 43, in order to inside bonding emulsion layer 44, selects comparatively coarse, the cloth assembly that coefficient of friction is bigger in surface usually for use, makes the long-pending increase of its contact surface with emulsion layer 44, difficult drop-off.

Again, in another feasible embodiment, also can be when not inserting the semi-finished product of ball 40 as yet, smear one deck latex prior to the inner surface overbrushing of exodermis 43 in advance, the internal layer cloth 433 of layer 41 and exodermis 43 bottoms fills a part infiltration attaching with latex respectively earlier in making, insert the pressurized equipment 50 of heating again, make the latex hot-melt binding on both sides, further improve structural strength.

The utility model is via the composition of the emulsion layer of interior layer, exodermis and central authorities, avoid using in the located by prior art suture to sew up adjacent cloth, the shortcoming that easily makes suture expose or rupture when stressed, improve the ball structural strength, more make make flow process simple and easy fast, can reduce cost, thereby form a kind of ball structure-improved that uses suturing skill that do not have

The above only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, all simple equivalent of being done according to the utility model claim and utility model description change and modify, and all must include in the utility model claim.

Claims

1, a kind of seamless spherical structure improvement, it is characterized in that: the ball structure of described seamless ball comprises at least:

One inner bag, this inner bag are the ball structure centre;

Layer in one, layer twines the outer surface that is coated on described inner bag in this;

One emulsion layer, this emulsion layer are applied in described interior layer outer surface; And

One exodermis, this exodermis are attached at described emulsion layer outer surface.

2, seamless spherical structure improvement according to claim 1, it is characterized in that: this exodermis inner surface is further smeared another emulsion layer.

3, seamless spherical structure improvement according to claim 1 is characterized in that: this exodermis is attached at the pressurization of heating behind the emulsion layer surface, makes emulsion layer present bonding state.

4, seamless spherical structure improvement according to claim 1, it is characterized in that: this exodermis comprises at least:

One internal layer cloth, this internal layer cloth are inwardly directly fitted and are contacted emulsion layer;

One seamless outer layer, this seamless outer layer is rearranged by the identical shaped outer adjacent spaces of most pieces; And

One fills material, and this filling material is arranged at the central interlayer of internal layer cloth and seamless outer layer.

5, seamless spherical structure improvement according to claim 4, it is characterized in that: this seamless outer layer uses hot plastic polyurethanes as making raw material; Filling material uses ethylene vinyl acetate copolymer as making raw material.