Ball bag built-in sewn ball

A center-mounted, sewing-type technology, applied in the direction of balls, inflatable hollow balls, sports accessories, etc., can solve the problems of lack of curvature, easy collapse of the ball, lack of softness, etc., to achieve uniform softness and broad market Foreground, the effect of low manufacturing cost
CN1411880AInactive Publication Date: 2003-04-23欧陈丽卿
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
欧陈丽卿
Publication Date
2003-04-23
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention relates to a sewed ball with built-in ball bag. Said ball is formed from a ball surface layer and a ball bag internal bladder placed in the interior of ball surface layer. Said ball bag internal bladder includes an inflatable air bag with an inflatable hole, a built-in ball bag which has a receiving space for receiving said inflatable air bag and a movable air hole from which the inflatable hole can be passed through and extended outward. Said ball surface layer can be used for receiving said ball bag internal bladder, after said ball bag internal bladder is inflated, said ball surface layer can be expanded and formed into a ball with a certain radian and flexibility. Said invention also provides its sewing method.
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Description

(1) Technical field:

[0001] The present invention relates to a leather ball, especially a sewn ball with a built-in center pocket, wherein the center pocket can increase the surface curvature of the ball without reducing its softness. (two) background technology:

[0002] A traditional sewn-on ball usually includes a spherical surface, an inner layer and an inflatable airbag. The inflatable air bag is located in the inner inner layer, and can be used to strengthen the spherical surface layer after being inflated. The spherical surface of a traditional sewn ball is usually sewn from multiple small pieces of the surface made of vinyl chloride or polyurethane. Inflatable bladders are usually made of ordinary elephant rubber, making them resistant to high-pressure pumped air and durable.

[0003] The manufacturing method of traditional sewing formula ball comprises the following steps:

[0004] (1) cutting the surface layer of each small piece into the same shape;

[0005] (...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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