BS_3735-1987.pdf

BS3735:1987ForewordThis British Standard has been prepared under the direction of the BuildingServices Standards Committee.It is a revision of BS 3735:1976,which iswithdrawn.The principal changes in this revision are as follows.a)The scope of the standard now covers both rubber and plastics lids but nolonger covers rubber foot rings.b)There is no longer a requirement for resistance to weathering.c)The requirement for the mass of lids has been simplified.For information on low carbon steel dustbins and lids see BS 792.A British Standard does not purport to include all the necessary provisions of acontract.Users of British Standards are responsible for their correct applicationCompliance with a British Standard does not of itself confer immunityfrom legal obligations.Summary of pagesThis document comprises a front cover,an inside front cover,pages i and ii,pages 1 and 2,an inside back cover and a back cover.This standard has been updated(see copyright date)and may have hadamendments incorporated.This will be indicated in the amendment table on theinside front cover.BSI11-1999BS3735:19871 Scope6.2 The lid shall be provided with either:盈This British Standard specifies requirements fora)a handle having a grip of not less than 80 mmdustbin lids manufactured from polymericin length with a clear unobstructed projection ofcompounds of thermoplastics or rubber or anot less than 25 mm,the gripping part of which.云ocombination of both,suitable for use with dustbinsshall be radiused all round to eliminate sharpwhich comply with BS 4998 or,in the case of lowcorners or edges:orcarbon(mild steel)dustbins,which comply withb)a handle having a length of not lessBS792.than 80 mm and a solid projection of not lessNOTE The titles of the publications referred to in this standardthan 25 mm.are listed on the inside back cover.Where the lid is designed to lift off the bin,the2 Definitionsgrip/handle shall be centrally situated.6.3 The lid top shall be convex with no cavitiesFor the purposes of this British Standard,thewhich would prevent the drainage of water.The lidfollowing definitions apply.shall be so designed as to remain secure when the2.1dustbin is tilted at an angle of 45,without the20:004thermoplasticsassistance of attachments or clips.Where the lida plastics material capable of being repeatablyenters or overlaps the bin body for which it issoftened by heat and hardened by coolingdesigned it shall have a minimum entry or overlapheight of 30 mm,with a maximum radial clearance2.2of 10 mm diametral.rubbera solid material with elastic properties made from7 Performancelatex from living plants or synthetically7.1 Impact strength莒3 ClassificationWhen tested in accordance with the method8described in Appendix A,the lid shall show noThermoplastics and rubber dustbin lids aresplitting.Subsequent to this test the lid shall meetclassified as follows:the requirements specified in 6.3.Type 1:clipped lid;7.2 Deformation resistance8品Type 2:unclipped lid;When tested in accordance with the methodType 3:heavy duty.described in Appendix B,the lid shall show nosplitting or permanent deformation.Subsequent to4 Materialthis test the lid shall meet the requirementsThe material from which the lid is produced shall bespecified in 6.3.a polymeric compound of thermoplastics or rubberor a combination of both.8 MarkingEach lid shall be clearly and permanently marked5 Masswith the following:The minimum mass of the lid shall be:a)number and date of this British Standard,Type 1:0.50 kg;i.e.BS3735:1987:需Type 2:0.55 kg;b)size(diameter)and type of lid;Type 3:2.00 kg.c)manufacturers name and identificationNOTE Unless otherwise specified,the lid should be clearly and6 Design requirementspermanently marked with the wordingNO HOT ASHES.品6.1 The lid shall be round with both the inside andoutside surfaces smooth and free from flashes andshall have no sharp edges.1)Marking BS 3735:1987 on or in relation to a product is a claim by the manufacturer that the product has been manufactured tothe requirements of the standard.The accuracy of such a claim is therefore solely the manufacturers responsibility.Enquiries asto the availability of third party certification should be addressed to the appropriate certification body.BSI11-1999