1、rn0PEAN mm NORME EUROPENNE EUROP- NORM CEN ENx22248 92 = 3404589 0042903 b20 EN 22248 November 1992 UDC 621.798.1 : 620.165.78 Descnptoru Packing, transport packing, complete and ied packages, impact tests, drop tests En$lish veision Packagmg - Complete, fied transport packages - Vertid impact test
2、by dropping (Is0 2248 : 1985) Emballages - Emballages dexpdition complets et pleins - Verpackung - Versandferti$e Packstiicke - Vertikale StoBprufung (freier Fail) Essai de choc vertical par chuk libre (Eo 2248 : 1985) ($30 2248 : 1985) This European Standard was approved by CEN on 19921030. CEN mem
3、bers are bound to comply with the CENKENELEC internai Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any aiterakion. Up-tuda.te lists and bibliographical references concerning such nation$ standards may be obtained on applicatio
4、n to the Central Secretariat or to any CEN memb - flat, such that no two points on its surface differ in level by more than 2 mm; - rigid, such that it will not be deformed by more than 0.1 mm when an area of 100 md is loaded statically with 10 kg anywhere on the surface; - sufficiently large to ens
5、ure that the test package falls entirely upon the surface. In addition, the apparatus shall meet the requirements and tolerances of clause 7. =- 5 Package preparation; The test package shall normally be filled with its intended con- tents. However, simulated or dummy contents may be used, on conditi
6、on that the dimensions and physical properties of such contents shall be as close as possible to those of the in- tended contents. Ensure that the test package is closed normally, as if ready for distribution. If simulated or dummy contents are used, ensure that the normal method of closure is still
7、 employed. 6 Conditioning The package shall be conditioned in accordance with one of the conditions described in IS0 2233. 11 achieved by a free fall. 2) instances, the method of holding the package before dropping shall be described in the test report. In some circumstances, a completely free fall
8、may not be possible; in such circumstances, the impact velocity shall be within 1 % of that which is The difference in behaviour of a sack, for example, suspended from the top or supported below in an end drop, could be significant. In such 1 BS 4826 : Part 4 : 1986 tl- CEN EN122248 92 = 3404589 004
9、2904 33T 7 Procedure Whenever possible the test shall be.canied out in the same atmospheric conditions as used for conditioning, where this is critical to the materials or application of the package. In other circumstances, the test shall be carried ait in atmospheric con- ditions which are as near
10、as practicable to those used for con- ditioning. 7.1 Lit the test package and hold it in the predetemiined attitude (see annex) at a height within f 2 % of the predeter- mined drop height as defined by the distance between the lowest point on the package at the time of release and the nearest point
11、on the impact surface (4.4). 7.2 within the following tolerances: Release the test package from its predetermined attitude - for face or edge drops: 20 maximum angle bemeen the impacting face, or edge, and the Mzontal surface; - for edge or corner drops: the angle between a pre- scribed surface of t
12、he pack- and the horizontal surface f 5O or f 10 % of the angle, whichever is the greater. The velocity at impact shall be within f 1 % of that which would be achieved by a free fall. 8 lest report The test report shall include the following particulars: a) reference to this International Standard;
13、b) number of replicate packages tested; CI full description of the package, including dimensions, structural and material specifications of the package and its fittings, cushioning, blocking, closure or reinforcing ar- rangements; d description of contents - if simulated or dummy con- tents were use
14、d, full details shall be given; e) gross mas of package and mass of contents, in kilograms; fi ilelaaivehud,temperatureandtirneofconditKxiing, tem perature and relaaive humid of test area at time of test; gi the attitude in which the package was tested, stated in one of the ways given in the annex;
15、h) drop height, in millimetres; i) type of apparatus; k) any deviations from the test method described in this International Standard; mi a record of the result, with any observations which may assist in correct interpretation; ni date of the test; pi signature of tester. whetherdissevalues comph/wi
16、th the requirementsof IS0 2233; L - ,. 2 CEN EN*22248 92 3404589 0042905 276 BS 4826 : Part 4 : 1986 Annex The predetermined attitude of the test package shall be ex- pressed in one of the following ways, ushg the method of iden- tification given in IS0 2206. NOTE - Where bungs, enclosures or fmings
17、 are present, the attitude at impact may be related to their position. A.l . Parallelepipedal packages A.l.l Impact on a face State face I, 2.3. etc. A.1.2 Impact on an edge State edge 1-2,2-3,3-4, etc. and the angle between one of two surfaces forming the edge and the plane of the impact surface; o
18、r state the edge, and that the centre of gravity of the test package tested shall be vertically above the point of impact; or state the edge, and that the two parallel edges of the test package nearest to the impact edge shall lie in a horizontal plane. A.1.3 Impact on a corner State comer 1-24. 3-4
19、4, etc. and the angles between two of the faces forming the corner and the plane of the impact sur- face: or state the comer, and that the centre of gravity of the test package shall be vertically above the point of impact. A.2 Cylindrical packages of circular cross- section In all instances, the ce
20、ntre of gravilv of the test package shall be verticaliy above the point, line or plane of impact with the impact surface. A.2.1 Impact on top or bottom faces. A.2.2 edge or rim. Impact at any of the points 1, 2, 3 etc., on either the A.2.3 the axis of the cylinder. Impact on any of the lines 1-2, 3-
21、4, etc., parallel to A.3 Sacks and bags The centre of gravity of the sack shall be vertically above the face, end or side involved in the impact. A.3.1 Impact on a face State face 1 or 3. A.3.2 Impact on an end State end 5 or 6. A.3.3 Impact on a side State side 2 or 4. A.4 Miscellaneous packages The attitude of the test package shall be based on the most appropriate attitudes given in clauses A.l, A.2 and A.3. 3