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    DIN EN ISO 24341-2012 Resilient and textile floor coverings - Determination of length width and straightness of sheet (ISO 24341 2006) German version EN ISO 24341 2012《弹性织物地板覆盖物 覆盖.pdf

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    DIN EN ISO 24341-2012 Resilient and textile floor coverings - Determination of length width and straightness of sheet (ISO 24341 2006) German version EN ISO 24341 2012《弹性织物地板覆盖物 覆盖.pdf

    1、April 2012 Translation by DIN-Sprachendienst.English price group 7No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 5

    2、9.080.60; 97.150!$?“1882804www.din.deDDIN EN ISO 24341Resilient and textile floor coverings Determination of length, width and straightness of sheet(ISO 24341:2006)English translation of DIN EN ISO 24341:2012-04Elastische und textile Bodenbelge Bestimmung der Lnge, Breite und Geradheit einer Bahn (I

    3、SO 24341:2006)Englische bersetzung von DIN EN ISO 24341:2012-04Revtements de sol rsilients et textiles Dtermination de la longueur, de la largeur et de la rectitude des ls (ISO 24341:2006)Traduction anglaise de DIN EN ISO 24341:2012-04SupersedesDIN EN 426:1993-10www.beuth.deDocument comprises pagesI

    4、n case of doubt, the German-language original shall be considered authoritative.1003.12 DIN EN ISO 24341:2012-04 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee ISO/TC 219 “Floor coverings” of the International Organization for Standa

    5、rdization (ISO) and has been taken over as EN ISO 24341:2012 by Technical Committee CEN/TC 134 “Resilient, textile and laminate floor coverings”, (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Kunststoffe (Plastics Standards Commit

    6、tee), Joint Working Committee NA 054-04-08 GA Gemeinschaftsausschuss FNK/NHM: Spiegelausschuss zu CEN/TC 134 und ISO/TC 219. Amendments This standard differs from DIN EN 426:1993-10 as follows: a) Clause 1 “Scope” has been revised; b) Clause 2 “Principle” has been extended; c) Clause 5 “Sampling and

    7、 selection of specimens” has been extended; d) Clause 6 “Test procedure” has been editorially revised; e) Clause 9 “Test report” has been modified. Previous editions DIN EN 426: 1993-10 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 24341 February 2012 ICS 97.150 Supersedes EN 426:1993Engl

    8、ish Version Resilient and textile floor coverings - Determination of length, width and straightness of sheet (ISO 24341:2006) Revtements de sol rsilients et textiles - Dtermination de This European Standard was approved by CEN on 24 December 2011. CEN members are bound to comply with the CEN/CENELEC

    9、 Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or t

    10、o any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the offici

    11、al versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slova

    12、kia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved wo

    13、rldwide for CEN national Members. Ref. No. EN ISO 24341:2012: Ela longueur, de la largeur et de la rectitude des ls (ISO 24341:2006) Elastische und textile Bodenbelge - Bestimmung der Lnge, Breite und Geradheit einer Bahn (ISO 24341:2006)Contents DIN EN ISO 24341:2012-04 EN ISO 24341:2012 (E) 2 Page

    14、 Foreword 3 1 Scope 4 2 Principle 4 3 Apparatus .4 4 Atmosphere for conditioning and testing .4 5 Sampling and selection of specimens 4 6 Test procedure .5 6.1 Measurement of width .5 6.2 Measurement of length .5 6.3 Measurement of straightness .6 7 Calculation and expression of results .7 8 Precisi

    15、on statement .7 9 Test report 7 Bibliography 8 Foreword The text of ISO 24341:2006 has been prepared by Technical Committee ISO/TC 219 “Floor coverings” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 24341:2012 by Technical Committee CEN/TC 134 “Resilie

    16、nt, textile and laminate floor coverings” the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2012, and conflicting national standards shall be withdraw

    17、n at the latest by August 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 426:1993. According to the

    18、 CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

    19、 Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 24341:2006 has been approved by CEN as a EN ISO 24341:2012 without any modification. DIN EN ISO 24341:2012-

    20、04 EN ISO 24341:2012 (E) 3 1ScopeThis International Standard specifies methods for determining the length, width and straightness of resilient ortextile floor coverings in sheet form.The straightness of resilient or textile floor is an important consideration because the installed flooring will have

    21、an objectionable appearance if the machine direction edges of the sheet flooring deviate excessively from astraight line.2 Principle A test piece, resting on a flat surface, is measured at several points along its width and length.The straightness at the deviation point of a test piece of a resilien

    22、t or textile sheet resting on a flat surface iscarried out by measuring the deviation from a virtual straight line passing through both ends of an edge.3 Apparatus3.1 Ruler or semi-rigid tape, accurate .3.2 Table or flat surface, of greater width and, if possible, of greater length than the test pie

    23、ce to bemeasured.3.3 Measuring device, for measuring the length of the sheet to an accuracy of , e.g. a calibratedmeasuring wheel, steel tape.3.4 String line, length .4 Atmosphere for conditioning and testingCondition the test specimen for at least at ambient room temperature and test in the same en

    24、vironment.5 Sampling and selection of specimensUse the entire roll of floor covering if both length and width are to be determined. If only width is to bedetermined, the test piece shall have an approximate length of .In order to determine the straightness of a sheet material, a test piece with a mi

    25、nimum length of shall betaken.0,05 %0,1 %10 m4h200 mm5mDIN EN ISO 24341:2012-04 EN ISO 24341:2012 (E) 4 6 Test procedure6.1 Measurement of widthPlace the test piece on the table, with the wear layer upward. Measure the width, using a ruler or semi-rigid tape(3.1), at three positions, equally divided

    26、 over the length of the test piece, as shown in Figure 1.6.2 Measurement of length6.2.1 Lay out the sheet completely flat with the wear layer upward. Measure with measuring device (3.3) thelength in two places parallel to the axis of the test piece approximately from the edges, as shown inFigure 2.6

    27、.2.2 If the table is shorter than the length of the roll, take the measurement part by part. Unroll as far aspossible and follow the procedure as often as necessary to measure the full length.Alternatively, if the roll is significantly longer than the table, measure the length of the roll by re-roll

    28、ing using adevice with a calibrated measuring wheel.aTest piece width.Test piece length.Figure 1 Measurement of widthl200 mmDIN EN ISO 24341:2012-04 EN ISO 24341:2012 (E) 5 6.3 Measurement of straightnessLay out the test piece completely flat with the wear layer upward. For a measured length of to ,

    29、measure the straightness of an edge against the string line. Record the greatest deviation and the referencelength, as shown in Figure 3.Dimensions in millimetresTest piece length.Figure 2 Measurement of lengthKey1 sheet2 string lineaReference length.bDeviation.Figure 3 Measurement using a string li

    30、nel5 m 10 mDIN EN ISO 24341:2012-04 EN ISO 24341:2012 (E) 6 7 Calculation and expression of resultsCalculate the effective width of the test piece as the smallest of the three measurements. Round off to thenearest and express the result in millimetres.Calculate the mean value of the two recorded len

    31、gths. Round off to the nearest and express the result inmetres.Express the results of the greatest deviation from straightness to the nearest .8 Precision statementAn interlaboratory test will be conducted to determine the precision of this method.9 Test reportThe test report shall contain the follo

    32、wing information:a) a statement that the tests were performed in accordance with this International Standard, i.e.ISO 24341:2006;b) complete identification of the product tested, including type, source, colour and manufacturers referencenumbers;c) previous history of the sample;d) mean value of widt

    33、h in millimetres;e) mean value of length in millimetres;f) value of straightness in millimetres and the reference length in metersg) temperature at which the test was conducted;h) precision statement (see Clause 8);i) any deviation from this International Standard which may have affected the results

    34、.5mm0,05 m5mmDIN EN ISO 24341:2012-04 EN ISO 24341:2012 (E) 7 Bibliography1 EN 426:1993, Resilient Floor Coverings Determination of width, length, straightness and flatness ofsheet material 2 JIS A 1454, Test Methods Resilient floor coverings, section 6.4 Dimension of Floor SheetDIN EN ISO 24341:2012-04 EN ISO 24341:2012 (E) 8


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