CN102998192A - Anti-puncturing testing method of wrapping cloth of brassiere steel ring - Google Patents
Anti-puncturing testing method of wrapping cloth of brassiere steel ring Download PDFInfo
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- CN102998192A CN102998192A CN2012105797618A CN201210579761A CN102998192A CN 102998192 A CN102998192 A CN 102998192A CN 2012105797618 A CN2012105797618 A CN 2012105797618A CN 201210579761 A CN201210579761 A CN 201210579761A CN 102998192 A CN102998192 A CN 102998192A
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Abstract
The invention relates to an anti-puncturing testing method of wrapping cloth of a brassiere steel ring. The anti-puncturing testing method comprises the following steps of: preparing a plurality of test samples of the wrapping cloth of the brassiere steel ring, cutting an opening in one side of each test sample which is not contacted with skin, carrying out humidifying on the test samples for at least 4 hours under the environment that the relative humidity is 65+/-4% and the temperature is 20+/-2 DEG C, then respectively clamping each test sample and the brassiere steel ring onto a constant speed tensile strength testing machine, carrying out tensile testing on the test samples by the constant speed tensile strength testing machine, recording a tensile strength value when each test sample is punctured or damaged by the brassiere steel ring, and counting an average value of the tensile strength values, wherein the average value is larger, the anti-puncturing performance is stronger. The anti-puncturing testing method of the wrapping cloth of the brassiere steel ring has the beneficial effects that the anti-puncturing testing method is simple and feasible, is not only suitable for brassieres in various constituents and sizes and provided with the steel rings, but also is suitable for testing of other hollow fabrics which are taken as the wrapping cloths of the steel rings; and an assessment criterion is provided for domestic and overseas manufacturers and suppliers, and the safety of women wearing the brassiere provided with the steel ring is improved.
Description
[technical field]
The present invention relates to fabric anti-puncture property testing technical field, specifically a kind of bra steel ring infantees anti-puncture method of testing.
[background technology]
Brassiere is a kind of as women's underskirt, and Main Function is the protection female chest, prevents injury gained in sports, has simultaneously the effect that beautifies body concurrently.The brassiere that inserts steel ring in the infantees pipeline of cup feather edge has been known as steel ring bra, can play to chest the effect of support and stable breast, and can mould better and beautify the moulding of breast.For such operating position of steel ring bra is arranged, it exists a potential problem perplexing the female friend always, namely because steel ring is to be inserted and secured in the infantees pipeline of brassiere, if steel ring produces slippage in taking process, then have the phenomenon generation that steel ring pierces through infantees, thereby human body is caused direct injury.Therefore, existence for such problem, at present in the urgent need to a method of testing anti-puncture of bra steel ring infantees is tested and estimated, and still do not have a kind of like this method of testing in the testing standard outside the Now Domestic, thereby restricted quality of production management and the product control level that steel ring bra is arranged.Therefore, if a kind of method that bra steel ring infantees anti-puncture is tested can be provided, at home and abroad have very important significance in the testing standard.
[summary of the invention]
Purpose of the present invention is exactly to solve above-mentioned deficiency, and provide a kind of bra steel ring infantees anti-puncture method of testing, thereby the steel ring of not only having avoided the slippage of invar circle to cause pierces through infantees to be occured the phenomenon that human body damages, and this method of testing is simple, has filled up the blank of this technical field in the domestic and international testing standard.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of bra steel ring infantees anti-puncture method of testing may further comprise the steps:
1) preparation specimen: measure the bra steel ring infantees of many tubuloses, cut off an opening in noncontact skin one side of bra steel ring infantees;
2) be 65 ± 4% with specimen in relative humidity, temperature is damping at least four hours under 20 ± 2 ℃ the environment;
3) after the damping, specimen and bra steel ring are clamped on the constant speed tensile strength testing machine, the opening of cutting off on the specimen is aimed at the bra steel ring jag, and specimen is the stretching plumbness of nature;
4) draw speed of constant speed tensile strength testing machine is set, specimen is carried out extension test, after specimen is pierced through or destroys by bra steel ring, stop to stretch the tensile force value when record pierces through or destroys;
5) repeating step 3) and step 4), the tensile force value when recording each specimen and being pierced through or destroy by bra steel ring, and calculating mean value;
6) record and evaluation test result, the mean value in the step 5) is larger, and then the anti-puncture of bra steel ring infantees is stronger.
Described constant speed tensile strength testing machine comprises upper grip and lower chuck, described upper grip is equipped with intermediate plate, described lower chuck is equipped with anchor clamps, be fixed with sample holder on the described anchor clamps, on the described sample holder bra steel ring is housed, described specimen is inserted in bra steel ring jag and naturally stretching from the opening part of cutting off, and the described specimen other end clamps by the intermediate plate of upper grip, and described specimen in vertical state.
Described specimen is the bra steel ring infantees auxiliary material of tubulose, at first measure length during preparation and be five of the tubings of 250mm, then one by one with the tubing doubling, perform mark at the position of center line of noncontact skin one side, cut off the opening of 3mm width along center line.
Bra steel ring on the described sample holder is peg, described peg simulation bra steel ring finished product is made, the outstanding distance of described peg jag is 15mm, the opening of cutting off on the described specimen is aimed at the jag of peg, described upper grip clamps two free ends of specimen, two free end alignment of described specimen.
Described specimen is the bra steel ring infantees finished product of tubulose, during preparation at first along the bra steel ring Subsampling, oxter and position, shirtfront are respectively got five, sample length is 100mm, sampling comprises the reinforcing noose, extracts bra steel ring out, reinforces noose 1cm place in distance, noncontact skin one side at bra steel ring infantees finished product is cut off an opening, and A/F is consistent with the width of steel ring.
Bra steel ring on the described sample holder is the bra steel ring finished product, and the outstanding distance of described bra steel ring finished product jag is 15mm, and the opening of cutting off on the described specimen is inserted in the jag of bra steel ring finished product, and described upper grip clamps the specimen other end.
Draw speed in the described step 4) is 100mm/min.
Test result evaluation in the described step 6) is according to being, mean value is more than or equal to 15kgf, and it is qualified then to be judged to be; Mean value then is judged to be defective less than 15kgf.
Beneficial effect of the present invention: by preparing many bra steel ring infantees specimen, and each root specimen is clamped on the constant speed tensile strength testing machine with bra steel ring respectively, by constant speed tensile strength testing machine specimen is carried out extension test, tensile force value when recording each root specimen and being pierced through or destroy by bra steel ring, and calculate their mean value, mean value is larger, then anti-puncture is stronger, estimate the anti-puncture of bra steel ring infantees specimen with this, this method of testing is simple, not only can be applicable to the steel ring bra that has of various compositions and size, and can be applicable to simultaneously test other tubings as steel ring wrapping fabric, for both at home and abroad production firm and supplier provide appraisal standards, also improved the security when female friend's dress has steel ring bra.
[embodiment]
Further specify below below in conjunction with embodiment the present invention being done:
The invention provides a kind of bra steel ring infantees anti-puncture method of testing, may further comprise the steps:
1) preparation specimen: measure the bra steel ring infantees of many tubuloses, cut off an opening in noncontact skin one side of bra steel ring infantees;
2) be 65 ± 4% with specimen in relative humidity, temperature is damping at least four hours under 20 ± 2 ℃ the environment;
3) after the damping, specimen and bra steel ring are clamped on the constant speed tensile strength testing machine, the opening of cutting off on the specimen is aimed at the bra steel ring jag, and specimen is the stretching plumbness of nature;
4) draw speed that constant speed tensile strength testing machine is set is 100mm/min, and specimen is carried out extension test, stops to stretch the tensile force value when record pierces through or destroys after specimen is pierced through or destroys by bra steel ring;
5) repeating step 3) and step 4), the tensile force value when recording each specimen and being pierced through or destroy by bra steel ring, and calculating mean value;
6) record and evaluation test result, mean value in the step 5) is larger, then the anti-puncture of bra steel ring infantees is stronger, the evaluation of test result is according to being, test result is accurate to 0.01kgf, it is qualified that the mean value of test result then is judged to be more than or equal to 15kgf, and mean value then is judged to be defective less than 15kgf.
Constant speed tensile strength testing machine among the present invention comprises upper grip and lower chuck, upper grip is equipped with intermediate plate, intermediate plate is of a size of 25mmX75mm, but lower chuck is installed the anchor clamps of fixed sample support, folder is set apart from for 100mm, bra steel ring is housed on the sample holder, specimen is inserted in bra steel ring jag and naturally stretching from the opening part of cutting off, the specimen other end clamps by the intermediate plate of upper grip, and specimen in vertical state.
The technical solution adopted in the present invention is applicable to respectively the anti-puncture test of the bra steel ring infantees auxiliary material of tubulose and bra steel ring infantees finished product, and the preparation of its specimen and clamping can be respectively according to following operations:
Preparation when (1) specimen is the bra steel ring infantees auxiliary material of tubulose: five of tubings that at first measure length and be 250mm, then one by one with the tubing doubling, position of center line in noncontact skin one side performs mark, cuts off the opening of 3mm width with scissors along center line;
Clamping when specimen is the bra steel ring infantees auxiliary material of tubulose: select the sample holder that peg is housed, peg simulation bra steel ring finished product is made, and this peg is designed to dismantled and assembled form, and be equipped with different sizes, take the diameter at peg tip as 3mm and 4mm as main, the outstanding distance at peg tip is 15mm, lower chuck clamps sample holder, the opening of cutting off on the specimen is aimed at the jag of peg, upper grip clamps two free ends of specimen simultaneously, these two free ends should align, and the good specimen of clamping in vertical state.
Preparation when (2) specimen is the bra steel ring infantees finished product of tubulose: at first along the bra steel ring Subsampling, oxter and position, shirtfront are respectively got five, sample length is 100mm, sampling comprises the reinforcing noose, after extracting bra steel ring out, reinforce noose 1cm place in distance, the infantees of noncontact skin one side is cut off an opening, A/F is consistent with the width of steel ring, and the steel ring of extraction will identify oxter or position, shirtfront.
Clamping when specimen is the bra steel ring infantees finished product of tubulose: select the sample holder that the bra steel ring finished product can be installed, this sample holder is fixed in the lower chuck of constant speed tensile strength testing machine, the test lead of bra steel ring finished product is inserted sample holder, so that the outstanding distance of bra steel ring finished product jag is 15mm, the opening of cutting off on the specimen is inserted in the jag of bra steel ring finished product, and naturally stretching specimen, upper grip clamps another free end of specimen, and the good specimen of clamping in vertical state.
Embodiment 1
One, specimen: white tubing, diameter 8mm;
Two, main experimental instrument: constant speed tensile strength testing machine (model TITAN);
Three, testing procedure:
1) preparation specimen: from testing sample, get length and be five of the tubulose steel ring wrapping fabrics of 250mm, then one by one with the sample doubling, perform mark at the position of center line of noncontact skin one side, cut off the opening of 3mm width along center line with scissors;
2) be 65 ± 4% with specimen in relative humidity, temperature is damping balance at least four hours under 20 ± 2 ℃ the environment;
3) upper grip of constant speed tensile strength testing machine is installed the intermediate plate of 25mmX75mm, but lower chuck is installed the anchor clamps of fixed sample support, folder is set apart from being 100mm, select the sample holder that 3mm diameter metal nail is housed to test, the distance that checks the outstanding sample holder of peg is 15mm, lower chuck clamps sample holder, and specimen is fixed in sample holder and upper grip, and the checkout sample is the stretching plumbness of nature;
4) test power value and collapse state that the record peg bears when piercing through specimen or producing other collapse states with the draw speed of 100mm/min;
5) finish the test of whole five specimen.
Four, test result is estimated foundation:
Mean value is more than or equal to 15kgf, and it is qualified then to be judged to be; Mean value then is judged to be defective less than 15kgf.
Five, test result is: 38.37kgf, 35.55kgf, 41.84kgf, 36.78kgf, 42.05kgf;
Mean value is: 38.92kgf;
Conclusion is: qualified.
Claims (8)
1. a bra steel ring infantees anti-puncture method of testing is characterized in that, may further comprise the steps:
1) preparation specimen: measure the bra steel ring infantees of many tubuloses, cut off an opening in noncontact skin one side of bra steel ring infantees;
2) be 65 ± 4% with specimen in relative humidity, temperature is damping at least four hours under 20 ± 2 ℃ the environment;
3) after the damping, specimen and bra steel ring are clamped on the constant speed tensile strength testing machine, the opening of cutting off on the specimen is aimed at the bra steel ring jag, and specimen is the stretching plumbness of nature;
4) draw speed of constant speed tensile strength testing machine is set, specimen is carried out extension test, after specimen is pierced through or destroys by bra steel ring, stop to stretch the tensile force value when record pierces through or destroys;
5) repeating step 3) and step 4), the tensile force value when recording each specimen and being pierced through or destroy by bra steel ring, and calculating mean value;
6) record and evaluation test result, the mean value in the step 5) is larger, and then the anti-puncture of bra steel ring infantees is stronger.
2. method of testing as claimed in claim 1, it is characterized in that: described constant speed tensile strength testing machine comprises upper grip and lower chuck, described upper grip is equipped with intermediate plate, described lower chuck is equipped with anchor clamps, be fixed with sample holder on the described anchor clamps, on the described sample holder bra steel ring be housed, described specimen is inserted in bra steel ring jag and naturally stretching from the opening part of cutting off, the described specimen other end clamps by the intermediate plate of upper grip, and described specimen in vertical state.
3. method of testing as claimed in claim 2, it is characterized in that: described specimen is the bra steel ring infantees auxiliary material of tubulose, at first measure length during preparation and be five of the tubings of 250mm, then one by one with the tubing doubling, position of center line in noncontact skin one side performs mark, cuts off the opening of 3mm width along center line.
4. method of testing as claimed in claim 3, it is characterized in that: the bra steel ring on the described sample holder is peg, described peg simulation bra steel ring finished product is made, the outstanding distance of described peg jag is 15mm, the opening of cutting off on the described specimen is aimed at the jag of peg, described upper grip clamps two free ends of specimen, two free end alignment of described specimen.
5. method of testing as claimed in claim 2, it is characterized in that: described specimen is the bra steel ring infantees finished product of tubulose, during preparation at first along the bra steel ring Subsampling, oxter and position, shirtfront are respectively got five, and sample length is 100mm, and sampling comprises the reinforcing noose, extract bra steel ring out, reinforce noose 1cm place in distance, cut off an opening in noncontact skin one side of bra steel ring infantees finished product, A/F is consistent with the width of steel ring.
6. method of testing as claimed in claim 5, it is characterized in that: the bra steel ring on the described sample holder is the bra steel ring finished product, the outstanding distance of described bra steel ring finished product jag is 15mm, the opening of cutting off on the described specimen is inserted in the jag of bra steel ring finished product, and described upper grip clamps the specimen other end.
7. such as each described method of testing of claim 1-6, it is characterized in that: the draw speed in the described step 4) is 100mm/min.
8. method of testing as claimed in claim 7 is characterized in that: the test result evaluation in the described step 6) is according to being, mean value is more than or equal to 15kgf, and it is qualified then to be judged to be; Mean value then is judged to be defective less than 15kgf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210579761.8A CN102998192B (en) | 2012-12-27 | 2012-12-27 | Anti-puncturing testing method of wrapping cloth of brassiere steel ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210579761.8A CN102998192B (en) | 2012-12-27 | 2012-12-27 | Anti-puncturing testing method of wrapping cloth of brassiere steel ring |
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| CN102998192A true CN102998192A (en) | 2013-03-27 |
| CN102998192B CN102998192B (en) | 2014-12-10 |
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| CN201210579761.8A Active CN102998192B (en) | 2012-12-27 | 2012-12-27 | Anti-puncturing testing method of wrapping cloth of brassiere steel ring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114047067A (en) * | 2022-01-12 | 2022-02-15 | 海安腾昱智能科技有限公司 | Cellucotton cup tensile properties monitoring facilities |
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| JP2004325325A (en) * | 2003-04-25 | 2004-11-18 | Yokohama Rubber Co Ltd:The | Puncture testing device for tire |
| CN1587964A (en) * | 2004-09-24 | 2005-03-02 | 东华大学 | Combined measuring method and device for stretching, compressing, bursting and prick-cut |
| JP2005291925A (en) * | 2004-03-31 | 2005-10-20 | Wacoal Corp | Elastic force measuring device and method for fiber product |
| CN102494960A (en) * | 2011-12-06 | 2012-06-13 | 江南大学 | Simple stab-resistant body testing device |
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2012
- 2012-12-27 CN CN201210579761.8A patent/CN102998192B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004325325A (en) * | 2003-04-25 | 2004-11-18 | Yokohama Rubber Co Ltd:The | Puncture testing device for tire |
| JP2005291925A (en) * | 2004-03-31 | 2005-10-20 | Wacoal Corp | Elastic force measuring device and method for fiber product |
| CN1587964A (en) * | 2004-09-24 | 2005-03-02 | 东华大学 | Combined measuring method and device for stretching, compressing, bursting and prick-cut |
| CN102494960A (en) * | 2011-12-06 | 2012-06-13 | 江南大学 | Simple stab-resistant body testing device |
Non-Patent Citations (2)
| Title |
|---|
| INTERNATIONAL ORGANIZATION FOR STANDARDIZATION: "《ISO 13995 Protective clothing-Mechanical properties-Test method for the determination of the resistance to puncture and dynamic tearing of materials》", 31 December 2000 * |
| 中华人民共和国国家质量监督检验检疫总局 等: "《GB/T 20655-2006/ISO 13996：1999 防护服装 机械性能 抗刺穿性的测定》", 31 December 2006 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114047067A (en) * | 2022-01-12 | 2022-02-15 | 海安腾昱智能科技有限公司 | Cellucotton cup tensile properties monitoring facilities |
| CN114047067B (en) * | 2022-01-12 | 2022-04-01 | 海安腾昱智能科技有限公司 | Cellucotton cup tensile properties monitoring facilities |
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| Publication number | Publication date |
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| CN102998192B (en) | 2014-12-10 |
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