1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1725:1998 The Europ
2、ean Standard EN 1725:1998 has the status of a British Standard ICS 97.140 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Domestic furniture Beds and mattresses Safety requirements and test methodsThis British Standard, having been prepared under the direction of the Consumer
3、Products and Services Sector Board, was published under the authority of the Standards Board and comes into effect on 15 June 1998 BSI 1998 ISBN 0 580 29122 7 BS EN 1725:1998 Amendments issued since publication Amd. No. Date Text affected National foreword This British Standard is the English langua
4、ge version of EN 1725:1998. It supersedes BS 7397:1991 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee FW/5, Beds, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on th
5、e interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standa
6、rds which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard
7、 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 document comprises a front cover, an
8、inside front cover, the EN title page, pages 2 to 10, an inside back cover and a back cover.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1998 CEN All rights of exploitation in
9、any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1725:1998 E EUROPEAN STANDARD EN 1725 NORME EUROPE ENNE EUROPA ISCHE NORM January 1998 ICS 97.140 Descriptors: Furniture, beds, mattresses, safety, specifications, accident prevention, tests, mechanical tests, impact
10、tests, stability tests, durability, testing conditions, environment English version Domestic furniture Beds and mattresses Safety requirements and test methods Meubles a usage domestique Lits et matelas Exigences de se curite et me thodes dessais Wohnmo bel Betten und Matratzen Sicherheitstechnische
11、 Anforderungen und Pru fverfahren This European Standard was approved by CEN on 4 December 1997. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-
12、date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under t
13、he responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembo
14、urg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 1725:1998 BSI 1998 Foreword This European Standard has been prepared by Technical Committee CEN/TC 207, Furniture, the secretariat of which is held by IBN. This European Standard shall be given the status of
15、a national standard, either by publication of an identical text or by endorsement, at the latest by July 1998, and conflicting national standards shall be withdrawn at the latest by July 1998. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following co
16、untries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 Introduction 3 1 Scope 3
17、 2 Normative references 3 3 Definitions 3 4 General test conditions 3 5 Test environment and apparatus 4 6 Safety requirements 5 7 Test methods 7 8 Test report 8 Annex A (informative) Details of two versions of the edge loading pad 9Page 3 EN 1725:1998 BSI 1998 Introduction This European Standard ha
18、s been prepared in order to provide assurance that domestic beds complying with the requirements are reasonably safe. It is intended to prevent serious injury through normal functional use, as well as misuse that might reasonably be expected to occur. It should be understood that the tests do not en
19、sure that structural failure will not eventually occur as a result of habitual misuse or after an excessively long period of use. 1 Scope This European Standard specifies mechanical safety requirements and testing for all types of fully erected domestic adult beds including all component elements su
20、ch as bed frame, bed base, mattress and mattress pads (when they form a unit with the mattress). It does not apply to foldaway beds, bunk beds, childrens cots and adjustable beds for disabled persons where separate standards exist, as well as waterbeds and air beds. Further tests may be applicable f
21、or test units that are multi-purpose, e.g. convertible sofa beds and power driven systems. Assessment for ageing and degradation are not included. 2 Normative references This European Standard incorporates, by dated or undated reference, provisions from other publications. These normative references
22、 are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the late
23、st edition of the publication referred to applies. EN 1022, Domestic furniture Seating Determination of stability. ISO 2439, Flexible cellular polymeric materials Determination of hardness (indentation technique). 3 Definitions For the purposes of this standard the following definitions apply. 3.1 u
24、nframed slat base bed base consisting of separate slats flexibly held together normally by means of textile, rubber or plastic tape NOTE When loading one slat, the load is transferred to the support by that slat only. 3.2 framed base bed base consisting of slats, springs, etc., which are connected t
25、o a structural frame system NOTE When loading one component only, e.g. a slat or a spring, the load is distributed by the frame to the support. 3.3 framed sprung mattress upholstered bed base consisting of springs, topped with fillings, on a rigid frame to be used in a bed frame or freestanding 3.4
26、divan base upholstered bed base used without the need of any framework. It may be constructed with a spring filling or a solid top and may include drawers or storage facilities 4 General test conditions 4.1 Preliminary preparation Before any of the tests are commenced, the test unit shall be old eno
27、ugh to ensure that it has developed its full strength. The test unit shall be tested as delivered. Knock-down furniture shall be assembled according to the instructions supplied with it. If the test unit can be assembled or combined in different ways, the most adverse combination shall be used for e
28、ach test. Knock-down fittings shall be tightened before testing if applicable. Further tightening shall not take place unless this is specifically required by the manufacturer. The test unit shall be stored in indoor ambient conditions for at least one week immediately prior to testing. Any deviatio
29、n from this procedure shall be stated in the report. The tests shall be carried out in indoor ambient conditions, but if during a test the atmospheric temperature is outside the range 158Ct o2 58 C, the maximum and/or minimum temperature shall be recorded in the test report. 4.2 Test equipment The f
30、orces in static load and durability tests shall be applied sufficiently slowly to ensure that negligible dynamic load is applied. Test forces, unless otherwise stated, may be applied by any suitable device because results are not dependent upon the apparatus. 4.3 Tolerances Unless otherwise stated:
31、all forces shall have an accuracy of 5 % of the nominal force; all masses shall have an accuracy of 0,5 % of the nominal mass; all dimensions shall have an accuracy of 1m m of the nominal dimension. The tolerance for position of loading pads shall be 5 mm.Page 4 EN 1725:1998 BSI 1998 4.4 Sequence of
32、 testing All tests specified for a particular part shall be carried out on the same sample. The tests shall be carried out in the sequence laid down in this standard. 5 Test environment and apparatus 5.1 Floor surface Rigid, horizontal and flat. 5.2 Stops Stops shall be used to prevent the bed from
33、sliding but not tilting and shall be no higher than 12 mm except in cases where the design of the bed requires the use of higher stops; in which case the lowest that will prevent the bed from moving, shall be used. 5.3 Standard test mattress Flexible polyether foam with a thickness of 100 mm, a dens
34、ity of (30 2) kg/m 3 and an indentation hardness index of (170 20) N in accordance with A40 in ISO/DIS 2439. The size of the mattress shall be such as to overlap the size of the loading pad by at least 100 mm all round. The test mattress shall have a cover with the following characteristics: composi
35、tion: pure cotton; weave in plain: 1/1; mass per unit area: 100 g/m 2 to 120 g/m 2 ; warp and weft: 20 threads/cm to 30 threads/cm; finishing: washed, no finishing agents; cover make up: tight fit, but no restriction on the foam. Each test mattress shall be used for no more than five complete bed te
36、sts. 5.4 Standard test bed base (unframed) Slats made of wooden materials with a modulus of elasticity of (1000 200) N/mm 2 . The cross section of the slats shall be 20 mm3 95 mm and the distance between the slats (60 2) mm. If the free span of the slats is 1000 mm support the slats along the centre
37、 line. The length of the slats shall be 10 mm shorter than the nominal width of the bed frame. 5.5 Standard test bed base (framed) Slats as described in 5.4. The slats shall be mounted on a frame made of wooden material defined in 5.4 with a cross section of 45 mm3 20 mm (see Figure 1). The width of
38、 the bed base shall be 20 mm smaller than the nominal width of the bed frame. Dimensions in millimetres Figure 1 Standard test bed base (framed) 5.6 Standard test support (unframed bed bases) The base shall be suitably supported along its whole length. The total overhang on one side (see Figure 2) s
39、hall be (20 1) mm. Dimensions in millimetres Figure 2 Standard test support (unframed bed bases) 5.7 Standard test support (framed bed bases) Supports of 50 mm width, suitable to carry the bed base and the test loads, shall be placed 150 mm from the ends of the frame (see Figure 3). Dimensions in mi
40、llimetres Figure 3 Standard test support (framed bed bases)Page 5 EN 1725:1998 BSI 1998 5.8 Loading pad Rigid circular object 200 mm in diameter the face of which has a convex spherical curvature of 300 mm radius with a 12 mm front edge radius (see Figure 4). The loading pad shall be rigidly mounted
41、 to the loading system of the test machine. Dimensions in millimetres Figure 4 Loading pad 5.9 Edge loading pad Naturalistically shaped rigid indentor with a hard, smooth surface having overall dimensions within the limits shown in Figures A.1 and A.2. The loading pad shall be mounted to the test ma
42、chine so that it can pivot in the vertical plane about its transverse axis. Two versions are shown in annex A: machined from hardwood as shown in Figure A.1; moulded from fibre glass as shown in Figure A.2. 5.10 Impactor (see Figure 5) 5.10.1 Circular body, approximately 200 mm in diameter, separate
43、d from the striking surface by helical compression springs and free to move relative to it on a line perpendicular to the plane of the central area of the striking surface. The body and associated parts minus the springs shall have a mass of (17 0,1) kg and the whole apparatus, including body, sprin
44、gs and striking surface, shall have a mass of (25 0,1) kg. 5.10.2 Springs, which shall be such that the combined spring system has a nominal spring rate of (6,9 1) N/mm and the total friction resistance of the moving parts is between 0,25 N and 0,45 N. The spring system shall be compressed to an ini
45、tial load of (1040 5) N (measured statically) and the amount of spring compression movement available from the initial compression point to the point where the springs become fully closed shall be not less than 60 mm. 5.10.3 Striking surface shall be a rigid circular object, 200 mm in diameter, the
46、surface of which has a convex spherical curvature of 300 mm radius with a 12 mm front edge radius. 5.11 Small loading pad Rigid cylindrical object, 100 mm in diameter, having a smooth hard surface and rounded edges with radius 12 mm. 6 Safety requirements All components or parts of the bed, with whi
47、ch the user may come into contact during normal use, shall not have burrs and/or sharp edges, nor shall there be open-ended tubes. When the bed is fully erected and ready for use, all accessible mechanisms that facilitate frame movement shall have safety distances between any two elements moving rel
48、ative to each other which shall always be# 8m mo r$25 mm. When there is a specific danger of feet being trapped by a moving part, the safety distance shall always be$ 100 mm from the floor. When tested according to 7.2, “Stability”, the test unit shall not overturn. All components shall pass the tes
49、ts specified in clause 7 without fracture (see Table 1). After testing, there shall be no deformation that may compromise safety.Page 6 EN 1725:1998 BSI 1998 Figure 5 ImpactorPage 7 EN 1725:1998 BSI 1998 7 Test methods 7.1 General When mattress, bed base and frame (if applicable) are supplied together as a bed set, they shall be tested together. When a mattress is supplied separately, it shall be tested on a flat rigid horizontal surface. When other components are suppl
