BS EN 812-2012 Industrial bump caps《工业安全帽》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 812:2012Industrial bump capsBS EN 812:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 812:2012. Itsupersedes BS EN 812:1998 which

2、 is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PH/6/1, Industrial safety helmets.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a c

3、ontract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 68424 1ICS 13.340.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the au

4、thority of theStandards Policy and Strategy Committee on 29 February 2012.Amendments issued since publicationDate Text affectedBS EN 812:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 812 February 2012 ICS 13.340.20 Supersedes EN 812:1997English Version Industrial bump caps Casquettes anti

5、-heurt pour lindustrie Industrie-Anstokappen This European Standard was approved by CEN on 17 December 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any altera

6、tion. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC 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

7、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 official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia

8、, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION

9、 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 worldwide for CEN national Members. Ref. No. EN 812:2012: EBS EN 812:2012EN 812:2012 (E) 2 Contents Page Foreword . 4g31g3 Scope 5g32g3 Norma

10、tive references . 5g33g3 Terms and definitions . 5g34g3 Physical requirements 7g34.1g3 Materials and construction 7g34.2g3 Cradle . 7g34.3g3 Comfort band or sweatband 7g34.4g3 Retention 7g34.5g3 Headband/nape strap 7g34.6g3 Chin strap 8g34.7g3 Ventilation 8g34.8g3 Accessories . 8g35g3 Performance re

11、quirements 8g35.1g3 Mandatory requirements 8g35.1.1g3 Impact protection 8g35.1.2g3 Resistance to penetration 8g35.1.3g3 Chin strap anchorages . 8g35.2g3 Optional requirements 8g35.2.1g3 Very low temperature (20 C or 30 C) 8g35.2.2g3 Resistance to flame 9g35.2.3g3 Electrical properties 9g36g3 Test re

12、quirements . 9g36.1g3 Samples . 9g36.2g3 Conditioning for testing . 10g36.2.1g3 Temperature conditioning cabinet 10g36.2.2g3 Low temperature . 10g36.2.3g3 High temperature 10g36.2.4g3 Water immersion . 10g36.2.5g3 Artificial ageing . 10g36.2.6g3 Very low temperature 11g36.3g3 Testing atmosphere 11g3

13、6.4g3 Headforms . 11g36.4.1g3 Construction 11g36.4.2g3 Selection of size 11g36.5g3 Impact protection 11g36.5.1g3 Principle . 11g36.5.2g3 Apparatus 11g36.5.3g3 Procedure 12g36.6g3 Resistance to penetration 12g36.6.1g3 Principle . 12g36.6.2g3 Apparatus 12g36.6.3g3 Procedure 13g36.7g3 Chin strap anchor

14、ages . 13g36.7.1g3 Principle . 13g36.7.2g3 Apparatus 13g36.7.3g3 Procedure 13g36.8g3 Resistance to flame 14g36.8.1g3 Principle . 14g3BS EN 812:2012EN 812:2012 (E) 3 6.8.2g3 Apparatus 14g36.8.3g3 Test procedure 14g36.9g3 Electrical properties 14g36.9.1g3 Test 1 14g36.9.2g3 Test 2 15g36.9.3g3 Test 3 1

15、5g37g3 Marking and information 15g37.1g3 Markings on the bump cap 15g37.2g3 Additional information to be supplied by the manufacturer 16g3Annex A (informative) Recommendations for materials and construction 18g3Annex B (informative) Alternative method for artificial ageing . 19g3Annex C (informative

16、) Significant technical changes between this European Standard and EN 812:1997 . 20g3Annex ZA (normative) Relationship between this European Standard and the Essential Requirements of EU Directive 89/686/EEC Personal Protective Equipment 21g3Bibliography . 22g3BS EN 812:2012EN 812:2012 (E) 4 Forewor

17、d This document (EN 812:2012) has been prepared by Technical Committee CEN/TC “Head protection”, 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 201

18、2, and conflicting national standards shall be withdrawn 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.

19、 This document supersedes EN 812:1997. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an

20、 integral part of this document. Annex C provides details of significant technical changes between this European Standard and the previous edition. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European

21、Standard: 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey an

22、d the United Kingdom. BS EN 812:2012EN 812:2012 (E) 5 1 Scope This European Standard specifies physical and performance requirements, methods of test and marking requirements for industrial bump caps. Industrial bump caps are intended to provide protection to the wearer against the effects of striki

23、ng his head against hard, stationary objects with sufficient severity to cause laceration or other superficial injuries. They are not intended to provide protection against the effects of falling or thrown objects, or moving or suspended loads. NOTE An industrial bump cap should not be confused with

24、 an industrial safety helmet, as specified in EN 397. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (includi

25、ng any amendments) applies. EN 960:2006, Headforms for use in the testing of protective helmets ISO 6487:2002, Road vehicles Measurement techniques in impact tests Instrumentation 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 industrial bum

26、p cap headgear, hereinafter referred to as a “bump cap”, intended to protect the wearers head against injury caused by striking the head against hard, stationary objects NOTE It may consist of the items defined in 3.2, 3.3, 3.4, 3.5 and 3.6. 3.2 shell hard, smoothly finished material that may provid

27、e the general outer form of the bump cap NOTE It may be fitted with external coverings, which may provide a means of maintaining the bump cap on the head. 3.3 harness 3.3.1 assembly complete assembly that may provide a means: a) of maintaining the bump cap in position on the head; b) of absorbing ki

28、netic energy during an impact. NOTE A harness may include the items defined in 3.3.2, 3.3.3, 3.3.4 and 3.3.5. BS EN 812:2012EN 812:2012 (E) 6 3.3.2 headband part of the harness, if fitted, completely or partly surrounding the head above the eyes at approximately the largest horizontal circumference

29、of the head NOTE The headband may include a nape strap. 3.3.3 nape strap adjustable or self-adjusting strap that fits behind the head below the plane of the headband NOTE A nape strap may be an integral part of the headband, and may be elasticated. 3.3.4 cradle assembly of parts of the harness, if f

30、itted, in contact with the head, excluding the headband and nape strap, if fitted NOTE The cradle may be either fixed or adjustable. 3.3.5 comfort band or sweatband accessory to cover at least the inner front surface of the headband, if fitted, to improve wearer comfort 3.4 ventilation holes holes p

31、rovided in the shell, and/or external coverings, which can allow circulation of air inside the bump cap 3.5 chin strap strap which fits under the chin to help secure the bump cap on the head 3.6 chin strap anchorages means by which the material of the chin strap is attached to the bump cap NOTE This

32、 includes, for example: the component(s) fitted to the ends of the chin strap material for this purpose; that part of the bump cap shell or of the headband where the chin strap is attached. 3.7 bump cap accessories any additional parts for special purposes NOTE Examples of accessories are chin strap

33、, neck protector, nape strap, external coverings. 3.8 wearing height vertical distance from the lower edge of the headband, if fitted, (or from the lower edge of the bump cap if there is no headband) to the highest point of the headform on which the bump cap is mounted, measured either at the front

34、(midway between the sides of the headform) and at the side (midway between the front and back of the headform) whichever gives the greater distance BS EN 812:2012EN 812:2012 (E) 7 4 Physical requirements 4.1 Materials and construction The bump cap may consist of a smooth shell, which may be enclosed

35、 by an outer covering. The bump cap shall incorporate means to absorb the energy of an impact. NOTE Recommendations for materials and construction of bump caps are given in Annex A. For those parts of the bump cap that come into contact with the skin, materials which are known to be likely to cause

36、skin irritation or any adverse effect on health shall not be used. There shall be no sharp edge, roughness or projection on any part of the bump cap which is in contact, or potential contact, with the wearer when the bump cap is worn, such as is likely to cause injury to the wearer. Any part of the

37、bump cap which can be adjusted, or removed by the wearer for the purpose of replacement, shall be so designed and manufactured as to facilitate adjustment, removal and attachment without the use of tools. Any adjustment system incorporated within the bump cap shall be so designed and manufactured as

38、 not to become incorrectly adjusted without the wearers knowledge under the foreseeable conditions of use. 4.2 Cradle If the bump cap is fitted with a cradle incorporating textile tapes, their individual widths shall be not less than 15 mm, and the total of the widths of the tapes radiating from the

39、ir intersection shall be not less than 72 mm. NOTE Further reference to textile tapes is made in Annex A. 4.3 Comfort band or sweatband If a sweatband is provided, it shall cover the inner front surface of the headband, if fitted, for a length of not less than 100 mm each side of the centre of the f

40、orehead. The length shall be measured with a flexible measure along a line (10 1) mm above the lower edge of the headband. It shall have a width not less than that of the headband over the length which it covers. NOTE Recommendations regarding characteristics of the sweatband, if fitted, are given i

41、n Annex A. 4.4 Retention Means shall be provided to secure the bump cap on the wearers head. Any one of the following is deemed to satisfy this requirement: a) external coverings to the shell which incorporate an elasticated rear section, passing below the plane of the headband; b) a nape strap; c)

42、a chin strap or means of attaching one. 4.5 Headband/nape strap The length of the headband or the nape strap, if fitted, shall be adjustable in increments of not more than 5 mm. BS EN 812:2012EN 812:2012 (E) 8 4.6 Chin strap Unless specific provision is made for the bump cap to be retained on the he

43、ad by other means, the bump cap or the harness shall be fitted with a chin strap or with means of attaching one. Any chin strap supplied with the bump cap shall be not less than 10 mm wide when un-tensioned and shall be attached either to the shell or to the headband, if fitted. 4.7 Ventilation If t

44、he bump cap is provided with holes for ventilation purposes, the total area of such holes shall be not less than 150 mm2and not more than 450 mm2. NOTE 1 Means of closing the ventilation holes may be provided. NOTE 2 If such means are provided, the holes should be opened to the maximum extent when t

45、he above measurement is performed. NOTE 3 Recommendations regarding design for ventilation are given in Annex A. 4.8 Accessories For the fixing of bump cap accessories, specified in the information accompanying the bump cap in accordance with 7.2.3, the required fixing devices, or appropriate holes

46、in the bump cap, shall be provided by the bump cap manufacturer. 5 Performance requirements 5.1 Mandatory requirements 5.1.1 Impact protection When a bump cap is tested by the method given in 6.5, the force transmitted to the headform shall not exceed 15,0 kN. This requirement shall be satisfied by

47、bump caps treated in accordance with the appropriate conditioning processes given in 6.2, as specified by the list of tests given in 6.1. 5.1.2 Resistance to penetration When a bump cap is tested by the method given in 6.6, the point of the striker shall not contact the surface of the headform. This

48、 requirement shall be satisfied by bump caps treated in accordance with the appropriate conditioning processes given in 6.2, as specified by the list of tests given in 6.1. 5.1.3 Chin strap anchorages When a bump cap is fitted with chin strap anchorages, these shall be tested in accordance with 6.7.

49、 The artificial jaw shall be released at a force of not less than 150 N and not more than 250 N, due to failure only of the anchorages. 5.2 Optional requirements 5.2.1 Very low temperature (20 C or 30 C) When tested for impact protection by the method given in 6.5, the requirement of 5.1.1 shall be satisfied by one bump cap which has been conditioned in accordance with 6.2. BS EN 812:2012EN 812:2012 (E) 9 When tested for resistance to penetration by the method given in 6.6, the requirement of 5.1.2 shall be satisfied by a second bump cap, which has been condi