CN1395001A

CN1395001A - Abrasion-proof high-elasticity strings structure and its production method

Info

Publication number: CN1395001A
Application number: CN 01120246
Authority: CN
Inventors: 王昭仁
Original assignee: YAOYI INDUSTRY Co Ltd
Current assignee: YAOYI INDUSTRY Co Ltd
Priority date: 2001-07-11
Filing date: 2001-07-11
Publication date: 2003-02-05
Anticipated expiration: 2021-07-11
Also published as: CN1289751C

Abstract

The present invention relates to a wear-resistant high-elasticity racket string structure and its production method. Said racket string is a core wire made up by using several nylon 6 or nylon 6/66 copolymer monofilaments and mixed TPE monofilaments through bundling process, its outer layer is made up by covering of TPU and nylon mixed layer, a TPE and nylon mixed layer and a TPU layer in turn.

Description

Wear-resisting high-elasticity strings structure and method for making thereof

Technical field

The invention relates to a kind of wear-resisting high-elasticity strings structure and method for making thereof, it utilizes the TPE of fusion to be mixed between each wire harness of nylon monofilament, make that TPE can be evenly and be stabilized under the state of control and be present between each nylon monofilament of stamen line, coat three road clads such as TPU and nylon mixed layer, TPE and nylon mixed layer, TPU layer more thereon successively, form the structure of racket string body, guarantee that this racket string has more stable ABRASION RESISTANCE and elasticity, and best industry applications and practical value is provided.

Background technology

Generally speaking, judge the very corrupt of racket quality, except that the racket body of rod itself, more focus on the ABRASION RESISTANCE and the elasticity performance of racket string, this also is related to the service life and the batting usefulness of racket string; Therefore, manufacturing in the middle of the process of all racket string bodies needs stamen line process thermoplastic plastic impregnation program more at present, and has the characteristic of preferable elastic force by thermoplastic plastic itself, increases the elasticity of racket string, in the hope of reaching people's requirement.

Yet, the mode that this kind utilizes impregnation that thermoplastic plastic and stamen toe-in are closed, has the blind spot in the use, because this mode also can't definitely be controlled the impregnation amount and the distribution situation thereof of stamen line impregnation plasticity plastic cement, so often cause plasticity plastic cement skewness, and technology and quality instability, disqualification rate are also high relatively.In other words, it can't get a desired effect in physical characteristic performances such as the special ABRASION RESISTANCE of paying attention to of general racket string, elasticity; The related personnel is perplexed by this bottleneck deeply, so the necessity that breaks through and improve is arranged, more attains perfection to expect its quality.

For this reason, the present inventor by feat of the individual for a long time for various wear-resisting high-elasticity strings structures and the research of method for making and the design of digesting, inventing out a kind of TPE of fusion that utilizes is mixed between each wire harness of nylon monofilament, make that TPE can be evenly and be stabilized under the state of control and be present between each nylon monofilament of stamen line, coat TPU and nylon mixed layer more thereon successively, TPE and nylon mixed layer, three road clads such as TPU layer, form the structure of racket string body, guarantee that this racket string has more stable ABRASION RESISTANCE and elasticity, to reach best industry applications and practicality.

Summary of the invention

Therefore, main purpose of the present invention provides a kind of wear-resisting high-elasticity strings structure and method for making thereof, it mainly is by the TPE of fusion pressurization is blended between the wire harness of some nylon monofilaments, makes that TPE can be evenly and be stabilized under the state of control and be present between each nylon monofilament of stamen line; Like this, can guarantee that the stamen line combines closely, more stable elasticity is provided simultaneously.

Another object of the present invention provides a kind of wear-resisting high-elasticity strings structure and method for making thereof, it is to coat a TPU and nylon mixed layer outside the stamen line successively, one TPE and nylon mixture layer and a TPU layer, and has a characteristic that can increase the racket string abrasion performance by the TPU in first clad, make this TPU and nylon mixed layer can increase the interface brute force that coats, have preferable elastic recovery rate and recovery rate by the second clad TPE and nylon mixture layer after stressed simultaneously, outermost TPU layer has stable and preferable abrasivity, utilize the made racket string of this method to have stable ABRASION RESISTANCE and elasticity simultaneously and make, thereby can be widely used in various rackets.

In order to further specify energy of the present invention, below enumerate a preferred embodiment, and cooperate diagram, figure number, constitution content of the present invention and the effect that reached thereof are described in detail as follows:

Description of drawings

Fig. 1 is the composition structural map of racket string of the present invention;

Fig. 2 is the making general flow chart of racket string of the present invention;

Fig. 3 is the making process block diagram of racket string of the present invention.

Among the figure:

(A) line body

(10) heart stamen

(11) TPE

(12) nylon monofilament

(20) TPU and nylon mixture layer

(30) TPE and nylon mixture layer

(31) nylon monofilament

(32) TPE

(40) TPU layer

(50) former

(51) (52) unwrapping wire platform

(511) bobbin

(53) (54) buncher

(55) baking oven

(56) (57) coating unit

(58) take-up platform

The specific embodiment

See also shown in Figure 1, it is the composition structural map of racket string of the present invention, racket string body of the present invention (A) mainly is to be melted in formed wholeheartedly stamen (10) between some nylon 6 or nylon 6/66 copolymer nylon monofilament (12) by TPE (thermoplastic elastomer (TPE)) (11), coats (coating) TPU (thermoplastic poly amido formate) in the outside successively and forms with a nylon mixture layer (30) and a TPE layer (40) with nylon mixture layer (20), a TPE; Wherein, this heart stamen (10) is after being twined mutually with forward by some nylon monofilaments (12), and again the TPE (11) of fusion being pressurizeed to be blended between each nylon 6 or nylon 6/66 copolymer nylon monofilament (12) forms, thereby it is into a single integrated structure to combine closely; Like this, it can evenly and under the controlled state be present between each nylon monofilament (12) of heart stamen (10) stamen line, thereby can obtain stable elasticity effect; Secondly, peripheral TPU and the nylon mixture layer (20) that coats of this heart stamen (10) stamen line is the physical characteristic that makes full use of TPU itself, and increasing its abrasion resistance, and the relative line body of mixed layer of integral body is the interface brute force that can increase its coating; In addition, the TPU of this coating ground floor is to coat one deck TPE identical with heart stamen (10) and nylon mixture layer (30) again with nylon mixture layer (20) periphery, its difference is that this nylon monofilament (31) is with after oppositely twining mutually, again the TPE (32) of fusion being pressurizeed to be blended between each nylon monofilament (32) forms, with the imporosity that increases this racket string body (A) and stressed after elastic recovery rate and recovery rate; Need the baking and curing through a baking oven (OVEN) again after TPE that coats the second layer and nylon mixture (30) flow process, and treat to coat a TPU layer (40) again in the periphery behind its curing molding, TPU layer (40) can increase the abrasion performance of this racket string body A by this.

See also shown in Figure 2, it is the making general flow chart of racket string of the present invention, it is provided with a former (50), and it is to comprise twice unwrapping wire platform (51) (52), twice buncher (53) (54), a baking oven (55), two coating units (56) (57) and a take-up platform (58); During moulding, earlier respectively the nylon monofilament (12) of nylon 6 or nylon 6/66 copolymer is discharged (please cooperate consult shown in Figure 3) simultaneously by the bobbin (511) on the unwrapping wire platform (50), and after twining mutually, forward brings shape being aligned body structure together in buncher (53), utilize fusion TPE (11) pressurization to be fused to again and form a bunch between each nylon monofilament (12) as heart stamen (10), again with the heart stamen (10) made through first coating unit (56), make its outside be coated a TPU and nylon mixture layer (20), again it is passed through the second road unwrapping wire platform (52) and buncher (54) afterwards, make its outside again with reverse winding one nylon monofilament (31) layer, be fused between each nylon monofilament (31) with TPE (32) again and form second clad of TPE and nylon mixture layer (30), after treating that it is covered to complete, it is given baking and curing by a baking oven (55), pass through last one coating unit (57) again, after making it coat a TPU layer (40), can finish the moulding flow process of racket string body-centered, by take-up platform (58) it be furled again and finish.

In sum, high-elasticity strings structure that the present invention is wear-resisting and method for making thereof, be that a kind of TPE of fusion that utilizes is mixed between each wire harness of nylon monofilament, make TPE evenly and be stabilized under the state of control and be present between each nylon monofilament of stamen line, coat TPU and nylon mixed layer more thereon successively, TPE and nylon mixed layer, three road clads such as TPU layer, thereby form the method and the structure thereof of racket string body, it can guarantee that this racket string has more stable ABRASION RESISTANCE and elasticity, meeting industrial applicability and cost benefit, and it constitutes structure and be not seen in books and periodicals or public use again.

It is to be noted, the above is specific embodiments of the invention and the know-why used, if comply with the change that conception of the present invention is done, when the function that it produced does not exceed specification and graphic contain spiritual yet, all should be within the scope of the invention.

Claims

1, a kind of method for making of wear-resisting high-elasticity strings, it is characterized in that: the line body of this racket string mainly is to utilize following method to make: thermoplastic elastomer (TPE) TPE melting mixing is brought together between some nylon 6 or nylon 6/66 copolymer monofilament and is formed wholeheartedly stamen structure, coats a thermoplastic poly amido formate TPU and nylon polymer layer, a TPE and nylon mixture layer and a TPU layer more successively in the outside.

2, the method for making of wear-resisting high-elasticity strings according to claim 1, wherein, when making the described heart stamen and second clad, its some nylon monofilaments adopt one fixing to canoe.

3, the method for making of wear-resisting high-elasticity strings according to claim 2, wherein, in described heart stamen and second layer clad, described nylon monofilament adopts just the opposite canoe.

4, the method for making of wear-resisting high-elasticity strings according to claim 1, wherein, after described second layer TPE and nylon mixture layer are covered to complete, through a baking oven with line body baking and curing.

5, a kind of structure of wear-resisting high-elasticity strings, it is characterized in that: this racket string comprises following structure: thermoplastic elastomer (TPE) TPE melting mixing is brought the heart stamen structure of formation together between some nylon 6 or nylon 6/66 copolymer monofilament; The outside of described heart stamen structure the thermoplastic poly amido formate TPU and nylon polymer layer, a TPE and nylon mixture layer and the TPU layer that coat successively.

6, the structure of wear-resisting high-elasticity strings according to claim 5, wherein, in the described heart stamen and second clad, its some nylon monofilaments adopt one fixing to canoe.

7, the structure of wear-resisting high-elasticity strings according to claim 6, wherein, in described heart stamen and second layer clad, described nylon monofilament adopts just the opposite canoe.

8, the structure of wear-resisting high-elasticity strings according to claim 5, wherein, after described second layer TPE and nylon mixture layer are covered to complete, through a baking oven with line body baking and curing.