1、Designation:F184907(Reapproved 2012)An American National StandardStandard Specification forHelmets Used in Short Track Speed Ice Skating(Not toInclude Hockey)1This standard is issued under the fixed designation F1849;the number immediately following the designation indicates the year oforiginal adop
2、tion or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers performance requirements forhelmets used by short tra
3、ck speed ice skaters(excludinghockey).This specification recognizes the desirability of light-weight construction and ventilation;however,it is a perfor-mance standard and is not intended to restrict design.1.2 All testing and requirements of this specification shallbe in accordance with Test Method
4、s F1446,except where notedherein.1.3 Partial utilization of this specification is prohibited.Anystatement of compliance with this specification must be acertification that the headgear meets all of the requirements ofthe specification in their entirety.A headgear that fails to meetany one of the req
5、uirements of this specification is consideredto have failed the specification,and shall not be sold with anyindication that it meets parts of the specification.1.4 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.5 This standard
6、 does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Stan
7、dards:2F1446 Test Methods for Equipment and Procedures Used inEvaluating the Performance Characteristics of ProtectiveHeadgear3.Labels and Warnings3.1 Labels and warnings shall meet the requirements of TestMethods F1446.3.2 Labels and warnings shall have the words“For shorttrack speed ice skating(ex
8、cluding hockey)”inscribed on one ofthe interior permanent labels.3.3 Headgear designed to comply with this and otherstandards may proclaim uses as certified by the manufacturer.4.Marking the Test Line4.1 The test line is shown in Fig.1 and shall be marked inaccordance with Test Methods F1446.5.Condi
9、tioning and Number of Samples5.1 Conditioning shall be in accordance with Test MethodsF1446.5.2 The test requires a minimum of four samples of eachshell/liner combination.6.Retention System Testing6.1 Retention system tests shall be performed before impacttesting.6.2 The ambient helmet shall be subj
10、ected to the positionalstability(roll-off)test in accordance with Test Methods F1446using a 4-kg drop mass from a height of 0.6 m.6.3 The retention system shall remain intact,and the helmetmust remain on the headform.6.4 The hot,cold,and wet helmets shall be subjected to thedynamic strength retentio
11、n test in accordance with Test Meth-ods F1446 using a 4-kg drop mass from a height of 0.6 m.6.5 The retention system shall remain intact without elon-gating more than 30 mm.7.Impact Sites and Projections7.1 Impact sites are described in Test Methods F1446.7.2 ProjectionsAny unfaired projection exten
12、ding morethan 7 mm from the helmets outer surface shall break away orcollapse when impacted with forces equivalent to those pro-duced by applicable impact-attenuation tests described in1This specification is under the jurisdiction of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilit
13、iesand is the direct responsibility ofSubcommittee F08.53 on Headgear and Helmets.Current edition approved Nov.1,2012.Published December 2012.Originallyapproved in 1998.Last previous edition approved in 2007 as F1849 07.DOI:10.1520/F1849-07R12.2For referenced ASTM standards,visit the ASTM website,ww
14、w.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Section 9.Th
15、ere shall be no fixture on the helmets innersurface projecting more than 2 mm into the helmet interiorexcept occipital stabilizers and foam fit pads.8.Impacting Schedule8.1 All impacting shall be performed in accordance withTest Methods F1446.8.2 Helmets shall be impacted with the anvils centered on
16、 orabove the test line described in Fig.1.8.3 The test anvils can be oriented in any horizontal,centered position.9.Impact Testing9.1 Retention system testing shall be completed prior toimpact testing.9.2 The helmet can be impacted such that the theoreticalcenter of impact described in Test Methods F1446 is anywhereon or above the test line.9.3 Anvils to be used are the flat anvil from Test MethodsF1446 and the skate blade anvil shown in Fig.2.9.4 The helmet shall be dropped onto the flat anvil
