国外标准分享ASTM F1500000412001

This documentis underconsideration within anASTM Internationaltechnical committee.The revisionsproposed havenot receivedall approvalsrequired tobecome anASTMstandard.You agreenot toreproduce orcirculate orquote,in wholeor inpart,this documentoutside ofASTMCommittee/Society activities,or submitit toany otherorganizationor standardsbodies whethernational,international,or otherexcept withthe approvalof theChairman of the Committeehaving jurisdictionand thewrittenauthorization of the PresidentoftheSociety.If youdo notagree withthese conditionsplease immediatelydestroy allcopies ofthe document.CopyrightASTM International,100Barr HarborDrive,West Conshohocken,PA

19428.All RightsReserved.ITEM1TEST METHODSApril16,2012To:F15Main CommitteeFrom:Tony Paolo/F

15.16Subcommittee onBooster SeatsSubject:BallotThe F

15.16Subcommittee onBooster Seatsproposes arevision to the TestMethodssection

7.

5.

1.2to accommodatethe handlingof highertest weightsthrough theuseof acombination ofstatic weightsin additionto thebag weightas opposedto theuseof asingle,and potentiallyextremely heavy,shot bag.Proposed revisionis shownwith theireffect on the currentwording in the standard.Added wordingis showwith anunderline.

7.

5.

1.2Gradually applya staticload,using a6to8in.150to200mm indiameterwith steelshot asthe massinthebag,of100lb45kg or3times themaximumweight ofthe childrecommended by the manufacturer,whicheveris greater,onthecenter ofthe seatingsurface fora periodof5s andmaintain，for anadditional60s.bag.When thmanufacturers recommendedweightexceeds themaximum amountoftheweight allowedbythebag,then stackadditionalstatic weightsupon theweight bagprovided thatthe totalweight isappliedinavertical orientationtotheseating suiface.。