SIST EN 13512:2004
(Main)Footwear - Test methods for uppers and lining - Flex resistance
Footwear - Test methods for uppers and lining - Flex resistance
This European Standard specifies a test method for determining the flex resistance of uppers and linings irrespective of the material, in order to assess the suitability for the end use.
Schuhe - Prüfverfahren für Obermaterialien und Futter - Knickfestigkeit
Diese Europäische Norm legt ein Prüfverfahren zur Bestimmung der Knickfestigkeit von Ober- und
Futtermaterialien unabhängig vom Werkstoff fest, um ihre Gebrauchseigenschaften im fertigen Zustand zu
bestimmen.
Chaussures - Méthodes d'essai pour les tiges et les doublures - Résistance a la flexion
La présente Norme européenne spécifie une méthode d'essai pour déterminer la résistance a la flexion des tiges et des doublures, quel que soit le matériau qui les compose, afin d'évaluer leur aptitude a l'utilisation finale.
Footwear - Test methods for uppers and lining - Flex resistance
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Footwear - Test methods for uppers and lining - Flex resistanceSchuhe - Prüfverfahren für Obermaterialien und Futter - KnickfestigkeitChaussures - Méthodes d'essai pour les tiges et les doublures - Résistance a la flexionFootwear - Test methods for uppers and lining - Flex resistance61.060ObuvalaFootwearICS:Ta slovenski standard je istoveten z:EN 13512:2001SIST EN 13512:2004en01-januar-2004SIST EN 13512:2004SLOVENSKI
STANDARD
SIST EN 13512:2004
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13512November 2001ICS 61.060English versionFootwear - Test methods for uppers and lining - Flex resistanceChaussures - Méthodes d'essai pour les tiges et lesdoublures - Résistance à la flexionSchuhe - Prüfverfahren für Schäfte und Futter -KnickfestigkeitThis European Standard was approved by CEN on 3 October 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13512:2001 ESIST EN 13512:2004
EN 13512:2001 (E)2ContentspageForeword.31Scope.42Normative references.43Term and definition.44Apparatus and material.45Sampling and conditioning.56Test method.66.1Principle.66.2Procedure.67Test Report.8SIST EN 13512:2004
EN 13512:2001 (E)3ForewordThis European Standard has been prepared by Technical Committee CEN/TC 309 “Footwear”, the secretariat ofwhich is held by AENOR.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by May 2002, and conflicting national standards shall be withdrawn at the latest byMay 2002.This European Standard is based on the IULTCS/IUP 20 method.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,Switzerland and the United Kingdom.SIST EN 13512:2004
EN 13512:2001 (E)41 ScopeThis European Standard specifies a test method for determining the flex resistance of uppers and liningsirrespective of the material, in order to assess the suitability for the end use.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 12222, Footwear - Standard atmospheres for conditioning and testing of footwear and components forfootwear.EN 13400, Footwear - Sampling location, preparation and duration of conditioning of samples and test pieces.EN ISO 3696, Water for analytical laboratory use - Specification and test methods (ISO 3696:1987).3 Term and definitionFor the purposes of this European Standard, the following term and definition applies.3.1flex resistanceresistance of a material to crack or otherwise fail at flexing creases4 Apparatus and materialThe following apparatus and material shall be used:4.1Test machine, including the following:4.1.1At least four pairs of clamps. The upper clamp consists of a pair of flat plates as shown in Figure 1.The lower clamp is fixed and lies in the same vertical plane as the upper clamp.SIST EN 13512:2004
EN 13512:2001 (E)5Key1Flexing angle 2230'
030'2Clamp tightening screw32 mm radiusFigure 1 — Upper clamp dimensions4.1.2Means of applying a simple harmonic reciprocating action to repeatedly move the upper clamp through anangle of 22 º 30’ ± 0 º 30’. The speed of oscillation shall be 100 cycles/min ± 5 cycles/min.The distance between the upper and lower clamp, when the upper clamp is in the horizontal position, shall be25 mm ± 1 mm.4.1.3Means of counting the total number of cycles4.2For conducting cold tests, a cabinet capable of maintaining an internal atmospheric temperature of at least -5 C ± 2 C and large enough to contain the test machine. If required, temperatures down to -30 C can be used.4.3Press knife (70 mm ± 1 mm) x (45 mm ± 1 mm) or similar for cutting test specimens.4.4For wetting test specimens:4.4.1Pipette, with a capacity greater than 1 cm3.4.4.2Clean hard flat water resistant surface greater than 71 mm x 65 mm.4.4.3Glass rod or scraper.4.4.4Distilled or deionised water complying with Grade 3 of EN ISO 3696.4.5Optical magnifier or stereoscopic microscope, with a magnification of approximately 10 times.5 Sampling and conditioning5.1Cut out the required number (see Table 1) of rectangular test specimens (70 mm ± 1 mm) x (45 mm ± 1mm).Cut half the required number of test specimens with the longer edge parallel with the along direction of the materialSIST EN 13512:2004
EN 13512:2001 (E)6(backbone direction for leather and selvedge (warp) or machine di
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