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है”ह”ह

IS 14358 (1996): Textiles - Nylon Laces for Shoes and Boots[TXD 12: Narrow Fabrics, Webbings and Braids]

IS14358:1996

Indian Standard

TEXTILES - NYLON LACES FOR SHOES AND BOOTS - SPECIFICATION

ICS 61.060

0 BIS 1996 I

BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

May 1996 Price Group 2

Narrow Fabrics, Webbings and Braids Sectional Committee, TX 12

FOREWORD

This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized by the Narrow Fabrics, Webbings and Braids Sectional Committee had been approved by the Textile Division Council.

This standard covers requirements of laces made of nylon for shoes and boots and is based on defence specification INlYTU0304.

For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis shall be rounded off in accordance with IS 2 : 1960 ‘Rules for rounding off numerical values (revised)‘. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.

IS 14358 : 1996

Indian Stmdard

TEXTILES - NYLON LACES FOR SHOEmS AND BOOTS - SPECIFICATION

1 SCOPE

This specification covers the requirement of nylon laces to be used in shoes and boots.

2 REFERENCES

The Indian Standards listed in Annex A are necessary adjuncts to this standard.

3 MATERIALS

3.1 Laces shall be manufactured from bulked nylon 6 or nylon 6.6 multifilament yarn.

3.2 The tips shall be made from transparent cellulose acetate film.

4 MANUFACTURE

4.1 The laces shall be firmly and uniformly braided throughout with equal tension on each end/yarn.

4.2 The laces shall be cut to the required length for shoes and boots as the case may be.

4.3 The tips of the laces shall be 15 mm in length and

shall be securely fixed at both the ends so that these do not come off. The tips shall not slip easily even on wetting. Alternatively heat or chemical fusing may be adopted for formation of tips. The nylon laces shall not protude out of tips at the end.

5 WORKMANSHIP AND FINISH

The laces shall be free from broken filaments. Knots, if any, shall be as small as possibleand firm, with the ends neatly trimmed off. The laces shall be evenly dyed, free from stains and streaks when judgedby visual inspection.

6 REQUIREMENTS

The laces shall conform to the requirements given in Table 1.

7 PACKING

The laces shall be packed in pairs. The laces shall then be bundled or packeh as agreed to between the buyer and the seller. Only laces of same type, length and colour shall be packed together in the same bundle or package.

Table 1 Requirements of Laces ( Clause 6 )

Sl No.

(1)

9

ii)

iii)

iv)

v)

vi)

vii)

viii)

ix)

Characteristics

(2)

Length, cm

Flat width, mm

Mass per 10 pairs, g, Min

Number of plaits per 2.5 cm

Number of spindles

Breaking load, N, Min

pH of aqueous extract

Colour fastness to :

a) light b) washing:Test 3

Elongation under 5.0 kg load, percent, MUX

Requirements

Laces for Boots Laces for Shoes

(3) (4)

90.0 f 2 60.0 i 2

6.0 + 0.5 5.0 + 0.5 - 0.0 - 0.0

70.0 45.0

30.0 f 2 30.0 * 2

32.0 32.0

750.0 550.0

6.5-8.5 6.5-8.5

4 or better 4 or better 4 or better 4 or better

25.0 25.0

Method of Test

(5)

IS 1954 : 1990

IS 1954 : 1990

Annex B

Annex C

IS 1969 : 1985

IS 1390 : 1983

(Cold Method)

IS 2454 : 1985 IS 764 : 1979

IS 1969 : 1985

1

IS 14358 : 1996

8 MARKING

8.1 Each pair of laces shall be bound by paper band bearing the following information:

a) Manufacturer’s namejnitials or trade-mark;

b) Material (for example, nylon lace ); and

c) Length in cm.

8.2 Bach bundle or package shall have a label securely attached and bearing the following information:

a) Manufacturer’s name, initials or trade-mark;

b) Material ( for example, nylon lace );

c) Length in cm;

d) Colour; and

e) Number of pairs.

8.3 BIS Certification Marking

The laces may also be marked with Standard Mark.

8.3.1 The use of the Standard Mark is governed by the provisions of the Bureau of Indian Standards

Act, 1986 and the Rules and Regulations may there- under. The details of conditions under which the licence for the use of Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau of Indian Standards.

9 SAMPLING AND CRITERIA FOR CONFORMITY

9.1 Sampling

9.1.1 Lot

The quantity of laces of the same size and shade delivered to a buyer against one despatch note shall constitute a lot.

9.1.2 The conformity of a lot to the requirements of the standard shall be determined on the basis of the tests carried out on the laces selected from the lot.

9.1.3 Unless otherwise agreed to between the buyer and the seller, the number of pairs of laces to be selected at random for inspection shall be in accordance with Table 2.

9.2 Criteria for Conformity

It shall be as follows:

Characteristics No. of Samples Criteria for Conformip

Visual inspection According to co1 2 of Table 2 All samples shall pass.

Length, width, mass of 10 pairs According to co1 3 of Table 2 The number of non-conforming and number of plaits pairs shall not exceed the corresponding

number given in co1 4 of Table 2

Breaking load, pH of aqueous According to co1 5 of Table 2 All test pieces shall meet the require- extract, colour fastness and ments specified elongation under 5 kg load

Table 2 Sampling Plan

( Clause 9.1.3 )

Lot Size, No. of Sample Size for Sub Sample for Non- Permissible No. Subsample Size Pairs Visual Inspection Destructive Tests of Non-Conforming for Destructive

units Tests

(1) (2) (3) (4) (5)

up to 50 8 3 0 3

51 to 100 13 4 1 3

101 to 150 20 5 2 4

151 to 300 32 8 3 5

301 to 500 ’ 50 12 5 6

501 and above 80 20 I 8 *

2

IS 14358 : 1996

IS No.

764 : 1979

1390 : 1983

1954 : 1990

ANNEXA ( Clause 2 )

LIST OF REFERRED INDIAN-STANDARDS

Title

Method for determination of colour fastness of textile materials to washing : Test 3 ( second revision )

IS No.

1969 : 1985

Methods for determination of pH value of aqueous extracts of textile materials (first revision ) 2454 : 1985 Determination of length and width of fabrics - Methods ( second revision )

Title

Methods for determination of breaking load and elongation of woven textile fabrics ( second revision )

Methods for determination of colour fastness of textile materials to artificial light ( Xenon lamp ) ( first revision )

ANNEXB ( Clause 6; and Table 1 )

DETERMINATION OF MASS

Take a set of 10 pairs of laces from the test sample. Condition them to moisture equilibrium for

24 hours and weigh them to an accuracy of 0.5 g.

ANNEXC ( Clause 6; and Table 1)

METHOD FOR DETERMINATION OF PLAITS/2.5 cm

C-l The test specimen shall be conditioned at 65 f 2 percent relative humidity and 27 f 2°C temperature for 48 hours. The laces shall be laid down on a smooth flat measuring surface and the countmg shall be carried out in a relaxed condition.

C-2 The plaits shall be counted to the nearest l/2 plait over a distance of 25 mm. Five such determinations shall be made at random on the sample under test and then average taken.

3

Bureau of Indian Standards

BIS is a statutory institution established under the Bureau ofIndian StandardsAct. 1986 to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country.

Copyright

BIS has the copyright of all its publications. No part of these publications may be reproduced in any form without the prior permission in writing of BIS. This does not preclude the free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright be addressed to the Director (Publications), BIS.

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed periodically; a standard along with amendments is reaffirmed when such review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standards should ascertain that they are in Possession of the latest ~amendments or edition.

This Indian Standard has been developed from Dot No. TX 12 (2 15 1)

Amendments Issued Since Publication

Amend No. Date of Issue Text Affected

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