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Method for testing stitch slipping of clothes

A test method and cracking technology, applied in the direction of applying stable tension/pressure to test the strength of materials, can solve problems such as confusion of inspectors and differences in actual operation, and achieve the effect of easy promotion, high test accuracy and simple process

Inactive Publication Date: 2014-09-24
HENGYUANXIANG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The actual test found that the differences in the actual operation of these methods caused confusion to the testers

Method used

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  • Method for testing stitch slipping of clothes

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Experimental program
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Effect test

Embodiment 1

[0029] A method for testing the cracks of clothing, the specific steps are:

[0030] 1. Test instruments and tools

[0031] Fabric strength machine, the distance between the clamps can be adjusted to 10.0cm, the moving speed of the clamp can be adjusted to 5.0cm / min when there is no load, the pre-tension (weight) is 2N, and the effective clamping area of ​​the clamp to the sample is 5cm ×5cm;

[0032] cutting scissors;

[0033] Vernier caliper with a division value of 1mm;

[0034] 2. Test environment

[0035] Standard atmosphere for humidity control and testing, temperature (20±2)°C, relative humidity (65±4)%;

[0036] 3. Test sample requirements and preparation

[0037] Sample size: 5.0cm×20.0cm, its straight center line should be perpendicular to the seam (the seam line is located in the middle of the two clips);

[0038] Number of samples: three pieces are cut from each sampling part (or sewing sample) of the finished garment;

[0039] Sample treatment: in an atmosp...

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Abstract

The invention relates to a method for testing stitch slipping of clothes, which concretely comprises: 1) apparatuses and tools for testing, 2)testing environment, 3) requirement and preparation of the testing sample, and 4) the concrete testing steps. The concrete steps comprise 1) separating two clamps of a tensometer to 10.0+ / -0.1cm, wherein the edge of two clamps should be parallel and perpendicular to the movement direction; 2)fixing a sample in the clamp, preloading 2N tension force so that a sample straight direction center line is mutually perpendicular to the edge of the clamp, and a seam line is positioned at the middle part of two clamps; if the fabrics and a lining are stitched, clamping fabrics and the lining together, loading according to loading prescription of fabrics; if fabrics and the lining are respectively stitched, respectively testing the fabrics and the lining; and 3)gradually increasing the load to a prescribed value at a speed of 5.0cm / min, or stopping movement of the clamp when the largest load is not reached and the percentage elongation of the sample can reach 30%, then vertically measuring the largest disconnection distance of the seam on the sample, and exacting the measured value to 0.05cm. The method for testing stitch slipping of clothes has the advantages of simple technology, easy popularization and high test precision.

Description

【Technical field】 [0001] The present invention relates to the technical field of clothing testing, and specifically relates to a clothing flaw testing method. 【Background technique】 [0002] Cracks refer to the seams or cracks that occur when the stitched fabric is subjected to the tensile force of the vertical seam, and the yarn in one direction slips on the yarn in the other direction. The appearance of cracks will not only affect the appearance of the clothing, but more importantly, it will seriously reduce the wearing performance of the clothing. In my country, the problem of clothing rips has attracted the attention of the textile and apparel industry since the late 1990s. The national standards and textile and clothing industry standards revised after 1999 have added assessment indicators for seams. However, various clothing standards have more or less different provisions on the test methods for cracks. Practical inspection found that the differences in the actual o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08
Inventor 刘瑞旗陈忠伟何爱芳邱洪生王慧张晓霞
Owner HENGYUANXIANG GRP
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