ISO INTERNATIONAL STANDARD 13015 First edition 2013-08-01 Woven fabrics Distortion Determination of skew and bow Etoffes tissées -Déformation -Deétermination de I'écart angulaire etducintrage Reference number IS0 13015:2013(E) LSO IS02013 IHS under lic ted without license from IHS Not for Resale IS0 13015:2013(E) COPYRIGHTPROTECTEDDOCUMENT ISO2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 13015:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions ..1 4 Principle .1 5 Apparatus ..1 6 Conditioning and testing atmosphere ..2 7 Test specimens .2 8 Procedure. .2 8.1 General . 2 8.2 Preparation by marking 2 8.3 Preparation by fraying. .2 8.4 Determination of the overall skew and local skew .2 9 Calculation and expression of the results .6 9.1 Calculation for the overall skew. .6 9.2 Calculation with two triangles for local skew .6 9.3 Calculation with three triangles for local skew .7 10 Test report .7 Annex A (normative) Weft bow and warp bow determination .8 Bibliography .10 iii d by IHS under se with IS thout license from IHS Not for Resale