EN 13781:2001

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.RERYSchutzhelme für Fahrer und Mitfahrer von Schneemobilen und BobsCasques de protection pour conducteurs et passagers de motoneiges et bobsleighsProtective helmets for drivers and passengers of snowmobiles and bobsleighs97.220.20Oprema za zimske športeWinter sports equipment13.340.20Varovalna oprema za glavoHead protective equipmentICS:Ta slovenski standard je istoveten z:EN 13781:2001SIST EN 13781:2002en01-junij-2002SIST EN 13781:2002SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13781November 2001ICS 13.340.20English versionProtective helmets for drivers and passengers of snowmobilesand bobsleighsCasques de protection pour conducteurs et passagers demotoneiges et bobsleighsSchutzhelme für Fahrer und Mitfahrer von Schneemobilenund BobsThis European Standard was approved by CEN on 14 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 13781:2001 ESIST EN 13781:2002

Test results – Uncertainty of measurement.24Annex ZA (informative)
Clauses of this European Standard addressing essential requirements or otherprovisions of EU Directive 89/686/EEC.25Bibliography.26SIST EN 13781:2002

A protective helmet type may include a range of helmet sizes, provided that the thickness of the protectivepadding in each size in the range is at least equal to that in the protective helmet which when subjected to the testssatisfied the requirements of this standard.3.23snowmobileoff-road vehicle moved on the snow by a track driven by a gasoline engine and which is steered by turningfront skies3.24bobsleighsports equipment without any inside or outside driving power, for using in downhill gliding in ice channels4 Requirements4.1 Construction4.1.1 The basic construction of the helmet shall be in the form of a shell, containing means of absorbingimpact energy, and a retention system. The helmet usually has also connection systems for accessories.4.1.2 The helmet may be fitted with accessories such as a communication system, hearing protectors, eyeprotectors, face shield or a lower face cover. It may also have a detachable peak.4.1.3 The design of the helmet shall be such that the temperature in the space between the head and thehelmet does not rise or decrease inordinately. Ventilation holes or other means may be provided in theshell.4.1.4 The outer surface of the shell shall be perfectly smooth. Above the reference plane, the shape shallbe in the form of a continuous convex curve, except where shaping is provided for functional purposes.SIST EN 13781:2002

in Figure 1, and shall extend downwards at least as far asthe lines CDEF on both sides of the headform.4.4 Retention system4.4.1.The helmet shall be held in place on the wearer's head by means of a retention system which issecured under the lower jaw. All parts of the retention system shall be permanently attached to the systemor to the helmet. Testing in accordance with 5.1.4.4.2. If the retention system includes a chin-strap the strap shall be not less than 20 mm wide under aload of (150
5) N applied in accordance with 5.6.2. The chin-strap shall not include a chin-cup.4.4.3 The device to open the retention system shall not be capable of opening other than as a result of adeliberate act. In the case of a press-fastener opening device, the press-fastener shall be recessed, thesurface to which the pressure is applied shall be fitted with a fairing about its whole periphery so thatopening does not occur when the surface is pressed with a sphere of 100 mm diameter. Testing inaccordance with 5.1.4.4.4 If a retention system includes a quick-release mechanism, then the method of release of thismechanism shall be self-evident. Any levers, tabs, buttons or other components which need to beoperated to release the mechanism shall be coloured red, those parts of the rest of the system which arevisible when closed shall not be similarly coloured, and the mode of operation shall be permanentlyindicated. Testing in accordance with 5.1.4.4.5 The retention of the helmet on the head by the retention system shall be verified in accordance with5.6. When a helmet type includes a range of sizes, the helmet subjected to the test shall be thatpresenting the least favourable conditions (such as the thickest padding).SIST EN 13781:2002

with the basic plane and whose edge is the straight line K1 K2.4.7 Face shields4.7.1 The helmet, fitted with the face shield being tested, shall be placed on a test headform of appropriatesize, selected from those listed in Table 3.4.7.2 When the face shield is in the raised position, the angle between the secant MN shown in Figure 3and the horizontal shall be at least 5 , with the point M situated below the horizontal plane passing throughpoint N.4.8 Face-shields and eye protectorsFace-shields and eye protectors used with the helmet shall fulfil the requirements of EN 13178.SIST EN 13781:2002
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