BS EN 12773-2000 Footwear - Test methods for outsoles - Needle tear strength《鞋靴 外底的试验方法 针刺破强度》.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12773:2000 The Euro

2、pean Standard EN 12773:1999 has the status of a British Standard ICS 61.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Footwear Test methods for outsoles Needle tear strengthThis British Standard, having been prepared under the direction of the Sector Committee for Materi

3、als and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 February 2000 BSI 02-2000 ISBN 0 580 35616 7 BS EN 12773:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is the official English languag

4、e version of EN 12773:1999. The UK participation in its preparation was entrusted to Technical Committee TCI/69, Footwear and leather, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposal

5、s for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement internati

6、onal or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include

7、all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN ti

8、tle page, pages 2 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.(8523($167$1$5 1250(8523e(11( (8523b,6 4,0 mm 0,2 mm for semiexpanded and cellular outsoles; for leather outsoles the original thickness shall be tested. The test

9、is being performed with at least three specimens. Their uniform thickness (see specification below) shall be obtained by means of an appropriate splitting machine. If feasible, smooth original “skin” surfaces of the sample shall remain unchanged in the specimens. This leads to three possible types o

10、f specimen: Specimen with 2 original “skins” S 2 Specimen with 1 original “skin” S 1 Specimen with no original “skin” S O The final result shall be based only on specimens of the same type, which shall be stated in the report.3DJH (1 %6, 6 Test method Measure the thickness of the test piece, using t

11、he thickness gauge (see 4.4). Pierce the piece with a needle of 1 mm diameter (see 4.2), 5 mm from the edge at the centre of the narrow side (see Figure 1), as nearly perpendicular as possible with the aid of a template. The piece shall not have been previously bored or punched. Place the needle, wh

12、ich is now stuck in the piece, in the clamping device (see 4.3). The distance between the support links shall be adjusted so that they just touch the piece. Clamp the lower end of the piece in the lower grip (shown in Figure 1 as a scissors-clamp). Stress the piece with a feedrate of 100 mm/min 10 m

13、m/min on the clamps. Read off the maximum strength in newtons which occurs during the tearingout of the needle. 7 Expression of results The needle tear strength S sexpressed in newtons per millimetres of thickness is given by the formula S s= F/d where F is the maximum force in newtons d is the thic

14、kness in millimetres The result will be the average of the three determinations. 8 Test report The test report shall include the following information: a) results, expressed in accordance with clause 7; b) thickness of the test pieces; c) full description of the samples tested including commercial s

15、tyles, codes, colours, nature, etc.; d) reference to this method of test; e) date of testing; f) any deviation from this test method.3DJH (1 %6, Dimensions in mm Figure 1 - Example of clamping deviceBS EN 12773:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | |

16、 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for pr

17、eparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or edit

18、ions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the in

19、side front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should

20、be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a

21、wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: 020 89

22、96 7111. Fax: 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: 020 8996 7002. Fax: 020 8996 7001. Copyright C

23、opyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any

24、form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070.