1、Designation: F1492 08 (Reapproved 2015) An American National StandardStandard Specification forHelmets Used in Skateboarding and Trick Roller Skating1This standard is issued under the fixed designation F1492; the number immediately following the designation indicates the year oforiginal adoption or,
2、 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 to be used in the
3、activities of skateboarding and trickroller skating.1.2 All testing and requirements of this specification shallbe in accordance with Test Methods F1446, except where notedherein.1.3 Partial utilization of this specification is prohibited. Anystatement of compliance with this specification shall be
4、acertification that the headgear meets all of the requirements ofthe specification in their entirety. A headgear that fails to meetany one of the requirements of this specification is consideredto have failed the specification, and shall not be sold with anyindication that it meets parts of the spec
5、ification.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 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 esta
6、blish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2F1446 Test Methods for Equipment and Procedures Used inEvaluating the Performance Characteristics of ProtectiveHeadgear3. Terminology3.1 D
7、efinitions of Terms Specific to This Standard:3.1.1 trick roller-skating, naggressive roller skating usingquads or in-lines and involving such things as jumping, slidingsideways, or skating on ramps or stairs.3.1.2 in-lines, nroller skates with all wheels on each skatearranged along a single longitu
8、dinal line.3.1.3 quads, nroller skates with four wheels on each skatearranged in a rectangular pattern.4. Labels and Warnings4.1 Shall meet the requirements of Test Methods F1446.4.2 Shall have the words “For skateboarding or trick rollerskating” inscribed on one of the interior permanent labels.4.3
9、 Headgear that complies with this and other standardsmay proclaim uses as certified by the manufacturer.5. Marking the Test Line5.1 The test line is shown in Fig. 1 and shall be marked inaccordance with Test Methods F1446.6. Conditioning and Number of Samples6.1 Shall be in accordance with Test Meth
10、ods F1446.6.2 The test requires a minimum of four samples of eachshell/liner combination.7. Retention System Testing7.1 Retention system tests shall be performed before impacttesting.7.2 The ambient helmet shall be subjected to the Roll-OffTest of Test Methods F1446 usinga4kgdrop mass from aheight o
11、f 0.6 m.7.3 The retention system shall remain intact and the helmetshall remain on the headform.7.4 The hot, cold, and wet helmets shall be subjected to theDynamic Strength Retention Test of Test Methods F1446 usinga 4 kg drop mass from a height of 0.6 m.7.5 The retention system shall remain intact
12、without elon-gating more than 30 mm.8. Impact Sites and Projections8.1 Impact sites are described in Test Methods F1446.1This specification is under the jurisdiction of ASTM Committee F08 on SportsEquipment, Playing Surfaces, and Facilities and is the direct responsibility ofSubcommittee F08.53 on H
13、eadgear and Helmets.Current edition approved Jan. 1, 2015. Published February 2015. Originallyapproved in 1993. Last previous edition approved in 2008 as F1492 08. DOI:10.1520/F1492-08R15.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at service
14、astm.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 States18.2 ProjectionsAny unfaired projection extending morethan 7
15、 mm from the helmets outer surface shall break away orcollapse when impacted with forces equivalent to those pro-duced by applicable impact-attenuation tests in Section 10.There shall be no fixture on the helmets inner surfaceprojecting more than 2 mm into the helmet interior exceptoccipital stabili
16、zers and foam fit pads.9. Impacting Schedule9.1 All impacting shall be performed in accordance withTest Methods F1446, except as noted in 9.4.9.2 The test anvils can be oriented in any horizontal,centered position.9.3 At least one of the four impact sites (as described in TestMethods F1446) on the a
17、mbient conditioned helmet will beimpacted three consecutive times with the flat anvil at the sametest location to evaluate the helmets ability to withstandmultiple impacts. A time interval of 90 6 30 s must elapsebetween impacts directed at the same location on the samehelmet.9.4 Each of the three r
18、emaining helmets (one for eachremaining environment), will be impacted as described in TestMethods F1446.10. Impact Testing10.1 Retention system testing shall be completed prior toimpact testing.10.2 The helmet can be impacted such that the theoreticalcenter of impact described in Test Methods F1446
19、 is anywhereon or above the test line described in Fig. 1.10.3 Anvils to be used are the flat, cylindrical, and triangu-lar hazard anvils from Test Methods F1446.10.4 The helmet shall be dropped onto each anvil to achievean impact velocity of 4.57 m/s, +5 %, 0 % (corresponding toa theoretical drop h
20、eight of 1.0 m).10.5 Each helmet shall be given two flat anvil impacts andone each cylindrical and triangular hazard anvil impact in anysequence.10.6 The theoretical center of each impact site shall beseparated from the theoretical center of other impact sites by aminimum of 120 mm.10.7 The peak acc
21、eleration of each impact shall not exceed300 g.11. Keywords11.1 headgear; helmet; roller; skate; skateboard; skatingNOTE 1The center of impact can be anywhere on or above the test line.FIG. 1 Marking the Test Line ABCDF1492 08 (2015)2ASTM International takes no position respecting the validity of an
22、y patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to rev
23、ision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your
24、 comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyr
25、ighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 08 (2015)3
