BS 3735-1987 Specification for plastics and rubber dustbin lids《塑料和橡胶吸尘箱盖规范》.pdf

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1、BRITISH STANDARD BS 3735:1987 Specification for Plastics and rubber dustbin lids UDC 628.463.2:621.798.26-036BS3735:1987 This British Standard, having been prepared under the directionof the Building ServicesStandards Committee, was published under the authorityof the Board of BSI andcomes into effe

2、ct on 27February1987 BSI11-1999 First published May1964 First revision October1976 Second revision February1987 The following BSI references relate to the work on this standard: Committee reference SEB/20 Draft for comment85/11626DC ISBN 0 580 15681 8 Committees responsible for this British Standard

3、 The preparation of this British Standard was entrusted by the Building Services Standards Committee (SEB/-) to Technical Committee SEB/20 upon which the following bodies were represented: Association of Metropolitan Authorities Consumer Standards Advisory Committee of BSI Container Handling Equipme

4、nt Manufacturers Engineering Industries Association Institute of Housing Institute of Wastes Management Institution of Civil Engineers Institution of Environmental Health Officers Institution of Public Health Engineers Packaging and Industrial Films Association Amendments issued since publication Am

5、d. No. Date of issue CommentsBS3735:1987 BSI 11-1999 i Contents Page Committees responsible Inside front cover Foreword ii 1 Scope 1 2 Definitions 1 3 Classification 1 4 Material 1 5 Mass 1 6 Design requirements 1 7 Performance 1 8 Marking 1 Appendix A Test for impact strength 2 Appendix B Test for

6、deformation resistance 2 Publications referred to Inside back coverBS3735:1987 ii BSI 11-1999 Foreword This British Standard has been prepared under the direction of the Building Services Standards Committee. It is a revision of BS3735:1976, which is withdrawn. The principal changes in this revision

7、 are as follows. a) The scope of the standard now covers both rubber and plastics lids but no longer 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 a

8、nd lids see BS792. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This

9、document comprises a front cover, an inside front cover, pagesi andii, pages1 and2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BS3735:1987

10、 BSI 11-1999 1 1 Scope This British Standard specifies requirements for dustbin lids manufactured from polymeric compounds of thermoplastics or rubber or a combination of both, suitable for use with dustbins which comply with BS4998 or, in the case of low carbon (mild steel) dustbins, which comply w

11、ith BS792. NOTEThe titles of the publications referred to in this standard are listed on the inside back cover. 2 Definitions For the purposes of this British Standard, the following definitions apply. 2.1 thermoplastics a plastics material capable of being repeatably softened by heat and hardened b

12、y cooling 2.2 rubber a solid material with elastic properties made from latex from living plants or synthetically 3 Classification Thermoplastics and rubber dustbin lids are classified as follows: Type1: clipped lid; Type2: unclipped lid; Type3: heavy duty. 4 Material The material from which the lid

13、 is produced shall be a polymeric compound of thermoplastics or rubber or a combination of both. 5 Mass The minimum mass of the lid shall be: Type1:0.50kg; Type2:0.55kg; Type3:2.00kg. 6 Design requirements 6.1 The lid shall be round with both the inside and outside surfaces smooth and free from flas

14、hes and shall have no sharp edges. 6.2 The lid shall be provided with either: a) a handle having a grip of not less than80mm in length with a clear unobstructed projection of not less than25mm, the gripping part of which shall be radiused all round to eliminate sharp corners or edges; or b) a handle

15、 having a length of not less than80mm and a solid projection of not less than25mm. Where the lid is designed to lift off the bin, the grip/handle shall be centrally situated. 6.3 The lid top shall be convex with no cavities which would prevent the drainage of water. The lid shall be so designed as t

16、o remain secure when the dustbin is tilted at an angle of45 , without the assistance of attachments or clips. Where the lid enters or overlaps the bin body for which it is designed it shall have a minimum entry or overlap height of30mm, with a maximum radial clearance of10mm diametral. 7 Performance

17、 7.1 Impact strength When tested in accordance with the method described in Appendix A, the lid shall show no splitting. Subsequent to this test the lid shall meet the requirements specified in6.3. 7.2 Deformation resistance When tested in accordance with the method described in Appendix B, the lid

18、shall show no splitting or permanent deformation. Subsequent to this test the lid shall meet the requirements specified in6.3. 8 Marking Each lid shall be clearly and permanently marked with the following: a) number and date of this British Standard, i.e.BS3735:1987 1) ; b) size (diameter) and type

19、of lid; c) manufacturers name and identification. NOTEUnless otherwise specified, the lid should be clearly and permanently marked with the wording “NO HOT ASHES”. 1) Marking BS3735:1987 on or in relation to a product is a claim by the manufacturer that the product has been manufactured to the requi

20、rements of the standard. The accuracy of such a claim is therefore solely the manufacturers responsibility. Enquiries as to the availability of third party certification should be addressed to the appropriate certification body.BS3735:1987 2 BSI 11-1999 Appendix A Test for impact strength Condition

21、the lidat10 2 C for at least2h in a chamber of convenient size, e.g.a commercial deepfreeze for foodstuffs. Remove the lid from its cooling environment and place it on a hard flat surface. Within1min of its removal, using a striker having a mass of2.7 0.2kg with a hemispherical striking surface of25

22、2mm radius, strike the lid close to its centre, but not on its handle, by dropping the striker from a height of3.0 0.05m. Appendix B Test for deformation resistance Condition the lid at30 2 C for at least2h prior to testing. Place the lid on a dustbin body or on the top section of a dustbin (minimum

23、 depth0.5m) supported on a hard flat surface and apply a force of3.7 0.2kg over an area ofmm diameter as near as practicable to the lid centre but not on the lid handle, for a period of30 1min. 90 +0 5BS3735:1987 BSI 11-1999 Publications referred to BS 792, Mild steel dustbins. BS 4998, Specificatio

24、n for moulded thermoplastics dustbins (excluding lids). BS 3735:1987 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level.

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