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    BS ISO 1957-2000 Machine-made textile floor coverings - Selection and cutting of specimens for physical tests《机织铺地织物 物理试验用试样的选择和截取》.pdf

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    BS ISO 1957-2000 Machine-made textile floor coverings - Selection and cutting of specimens for physical tests《机织铺地织物 物理试验用试样的选择和截取》.pdf

    1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 1957:2000 ICS 59.0

    2、80.60 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Machine-made textile floor coverings Selection and cutting of specimens for physical testsThis British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published un

    3、der the authority of the Standards Committee and comes into effect on 15 October 2000 BSI 10-2000 ISBN 0 580 36440 2 BS ISO 1957:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 1957:2000 and implements it as the UK natio

    4、nal standard. It supersedes BS 4664:1985 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/3, Textile floor coverings, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee

    5、 any enquiries on the interpretation, or proposals 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-reference

    6、s The British Standards which implement international 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

    7、Standard does not purport to include 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 co

    8、ver, an inside front cover, the ISO title page, pages ii and iii, a blank page, pages 1 to 3 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.INTERNATIONAL STANDARD ISO 1957 Thirdedition 2000-07-15 Referencenumber ISO1957:2000(E) Machi

    9、ne-madetextilefloorcoverings Selectionandcuttingofspecimensfor physicaltests Revtements de sol textiles fabriqus la machine Slection et prlvement des prouvettes en vue des essais physiquesISO1957:2000(E) ii ISO1957:2000(E)iii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefe

    10、derationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcom- mittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhasthe righttoberepresentedonthatcommittee.Internationalorganizations,governm

    11、entalandnon-governmental,inliai- sonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission (IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStan

    12、dardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthisInternationalStandardmaybethesubjectof patentrights.ISOshallnotbeheld

    13、responsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO1957waspreparedbyTechnicalCommitteeISO/TC219, Floor coverings. Thisthirdeditioncancelsandreplacesthesecondedition(ISO1957:1986),whichhasbeentechnicallyrevised. AnnexAofthisInternationalStandardisforinformationonly.INTERNATION

    14、ALSTANDARD ISO1957:2000(E)1 Machine-madetextilefloorcoveringsSelectionandcuttingof specimensforphysicaltests 1Scope ThisInternationalStandardspecifiesaproceduretobefollowedwhenspecimensarecutfromsamplesifsuchspec- imensaretobeusedforphysicaltests. Thereferencemethodforselectionofthesamplefromthebulk

    15、materialisgivenininformativeannexA. UnlessselectedinaccordancewithannexAitisacceptedthatthesampletakenmaynotnecessarilybecompletely representativeofthebulk.Itisrecommendedthatthemethodofsamplingbepreviouslyagreedbythepartiesinter- estedintheresultsofthetest. Theprocedureisapplicabletomachine-madetex

    16、tilefloorcoveringswithorwithoutpile. 2 Principle Proceduresaregivenfortheselectionoftestspecimensfromasampleinsuchawaythattheyareasrepresentative ofthebulkaspossible. 3 Procedure 3.1Examinethesampleandnoteandrecordanyphysicalvariationacrossthesample.Suchvariationswouldin- clude,forinstance,rowsoflon

    17、gorshorttuftsorvariationsinpile-layoruse-surfacebetweendifferentpartsofthe sample. 3.2Wherethespecimensarerequiredtobesquareorrectangularinshape,cutthemsothattheedgesareparallel tothewarpandweftdirectionsor,incertaintypesoftextilefloorcovering,parallelandatrightanglestothemachine productiondirection

    18、.Ifthesampledoesnothaveaperfectlysquareconstruction,stillcutthespecimensasdescribed aboveandnoteinthereportthefactthataslightlyskewspecimenisproduced. 3.3Wherethesampleincludesaselvedgeoredgeoftuftsformingtheactualpile,suchanedgerunninginthema- chinedirection,cutthespecimensothatnopartofitlieswithin

    19、 ofthisedge. 3.4Cutspecimenssothatnopartiswithin oftheweft-wiseedge,ortheedgeatrightanglestothema- chinedirection.Ifitisknownthattheweftcutwasmorethan fromapilechange,thencutthespecimenso thatnopartofitlieswithin ofaweftedgeoredgeatrightanglestothemachinedirection. 3.5Ifmorethanonespecimenistobecutf

    20、romthesample,arrangethemequallyandaswidelyaspossibleover theavailablesamplearea,ensuringthat(wheretheconstructionallows)thespecimensdonotcontainthesame warpandweftthreads.Ifduplicationisinevitable,thenavoidtakingrepeatedspecimensinthedirectionofmachine production.Noteinthereportanyduplicationwhichoc

    21、curs.Figure1illustratesthepreferredwaytotakefourtest specimens. NOTEForproductsmanufacturedfromcross-laidwebs,itispreferabletoavoidduplicationinthedirectionatrightanglestothe directionofmachineproduction. 100mm 300mm 300mm 50mmISO1957:2000(E) 2 3.6Whencuttingspecimensfromasample,arrangethemaswidelya

    22、spossibleovertheavailablesamplearea. Whenmultiplespecimensaretaken,theyshallbeequallyarrangedoneithersideofalinebisectingthesampleinthe warpormachinedirection. 3.7Wherespecimensarebeingtakenformorethanonetestprocedure,interspersethespecimensonthesample asfaraspossible,forexamplebytheuseofrandomnumbe

    23、rsdesignatingpositionsonagrid. 3.8Ifthesamplecontainsmorethanonelevelofpileoruse-surface,takespecimensobeyingtheaboverulesin areascontainingasfaraspossibleonlyonelevelofpileoruse-surface,andensurethatanytreatedortestedarea liesentirelyinanareaofonethicknessandatleast fromanychangeinthickness. 4 Samp

    24、lingreport Thesamplingreportshallstate: a)thattheprocedurespecifiedinclause3wasobservedanddetailsofanydeviationfromthisprocedurethatoc- curred; b)whetherthespecimenswereskewedornot; c)whetherduplicationofeitherwarporweftinthespecimensoccurred; d)whetherthespecimenscontainmorethanonelevelofpileoruse-

    25、surface,andtherelationbetweenthetestre- sultsandparticularlevelsofpileoruse-surface. Figure1Exampleofcuttingfourtestspecimens 200mmISO1957:2000(E)3 AnnexA (informative) MachinemadetextilefloorcoveringsSelectionandcuttingsamplesfor physicaltestsReferencemethod A.1Scopeandfieldapplication Thisannexspe

    26、cifiestheidealproceduretobefollowedwhensamplesaretakenfromabulksupplyofmachine-made textilefloorcoverings,orfromspeciallyproducedmaterial,whicharesubsequentlytobeusedforphysicaltesting. Theprocedureisapplicabletomachine-madetextilefloorcoveringswithorwithoutpile. A.2Principle Proceduresaregivenforth

    27、eselectionofasamplefromthebulkmaterialinsuchawaythatitisasrepresentativeof thebulkaspossible. A.3Procedure A.3.1Takeanysampleacrossthewholeproductionwidthoftheproduct,excludinganyportionnormallytrimmed offduringtheproductionprocess. A.3.2Examinethesampleandnoteandrecordanyphysicalvariationacrossthes

    28、ample.Suchvariationswould include,forinstance,rowsoflongorshorttuftsorvariationsinpile-lieoruse-surfacebetweendifferentpartsofthe sample. A.3.3Wherethesampleisrequiredtobesquareorrectangularinshape,cutitsothattheedgesareparalleltothe warpandweftdirectionsor,incertaintypesoftextilefloorcovering,paral

    29、lelandatrightanglestothemachinepro- ductiondirection.Ifthebulkmaterialdoesnothaveaperfectlysquareconstruction,stillcutthesampleasdescribed aboveandnotethefactthataslightlyskewsampleisproduced.BS ISO 1957:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | |

    30、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing

    31、 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 editions. I

    32、t 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 inside fr

    33、ont 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 be addr

    34、essed 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 wide ra

    35、nge 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 8996 7111

    36、. 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 Copyrigh

    37、t 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 form or

    38、 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.


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