1、BRITISH STANDARDBS EN 14850:2005Aerosol containers Metal containers with 25,4 mm aperture Measurement of contact height The European Standard EN 14850:2005 has the status of a British StandardICS 55.130g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g
2、40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSIBS EN 14850:2005This British Standard was published under the authority of the Standards Policy and Strategy Comm
3、ittee on 22 February 2006 BSI 22 February 2006ISBN 0 580 47823 8National forewordThis British Standard is the official English language version of EN 14850:2005.The UK participation in its preparation was entrusted to Technical Committee PKW/0, Packaging, which has the responsibility to: A list of o
4、rganizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Corre
5、spondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not o
6、f itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and
7、 promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 10, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since pub
8、licationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSIEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 14850November 2005ICS 55.130English VersionAerosol containers - Metal containers with 25,4 mm aperture -Measurement of contact heightRc
9、ipients pour arosols - Rcipients mtalliques avecouverture de 25,4mm - Mesurage de la hauteur de contactAerosolverpackungen - Metallbehlter mit einer ffnungvon 25,4 mm - Messung der KontakthheThis European Standard was approved by CEN on 14 October 2005.CEN members are bound to comply with the CEN/CE
10、NELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any C
11、EN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN memb
12、ers are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and Unite
13、d Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14850:2005: ELice
14、nsed Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSIEN 14850:2005 (E) 2 Contents Page Foreword 3 Introduction4 1 Scope .5 2 Normative references .5 3 Terms and definitions.5 4 Apparatus 7 5 Procedure 8 6 Test report .9 Licensed Copy: Wang Bin, na, Tue May 09 03:46:33 BST
15、 2006, Uncontrolled Copy, (c) BSIEN 14850:2005 (E) 3 Foreword This document (EN 14850:2005) has been prepared by Technical Committee CEN/TC 261 “Packaging”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an
16、 identical text or by endorsement, at the latest by May 2006, and conflicting national standards shall be withdrawn at the latest by May 2006. This draft European Standard is one of a series of thirteen related standards with the following titles: EN 14847, Aerosol containers Tinplate containers Dim
17、ensions of the 25,4 mm aperture. EN 14848, Aerosol containers Metal containers with 25,4 mm aperture Dimensions of valve cups. EN 14849, Aerosol containers Glass containers Dimensions of aerosol valve ferrules. EN 14850, Aerosol containers Metal containers with 25,4 mm aperture Measurement of contac
18、t height. EN 14851, Aerosol containers Aerosol foam flammability test. EN 14852, Aerosol containers Determination of the ignition distance of the spray jet. EN 14853, Aerosol containers Enclosed space ignition test. EN 14854, Aerosol containers Glass containers Dimensions of the neck finish. prEN 15
19、006, Metal aerosol containers Aluminium containers Dimensions of the 25,4 mm (one inch) aperture. prEN 15007, Metal aerosol containers Tinplate containers Dimensions of three-piece cans. prEN 15008, Metal aerosol containers Dimensions of 1-piece aluminium can with 25,4 mm aperture. prEN 15009, Aeros
20、ol containers Bicompartmented aerosol containers. prEN 15010, Aerosol containers Aluminium containers Tolerances of the fundamental dimensions in connection with the clinch. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound t
21、o implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United K
22、ingdom. Licensed Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSIEN 14850:2005 (E) 4 Introduction The contact height is a measurement used for adjusting the clinching tool (jaws) and is therefore indispensable, but alone is not sufficient, to ensure safe sealing of the co
23、ntainer. Its control during the production of aerosol containers helps to ensure safe sealing and uniformity of the product. Licensed Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSIEN 14850:2005 (E) 5 1 Scope This European Standard describes a method of measuring the con
24、tact height of the compression closure between the valve cup and the aperture of an aerosol container. This standard applies to aerosol containers with 25,4 mm apertures as specified in EN 14847 and prEN 15006 fitted with aerosol valve cups as specified in EN 14848. 2 Normative references The follow
25、ing referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 14847, Aerosol containers Tinplate containers Dimensions
26、 of the 25,4 mm (one inch) aperture. EN 14848, Aerosol containers Metal containers with 25,4 mm aperture Dimensions of valve cups. prEN 15006, Metal aerosol containers Aluminium containers Dimensions of the 25,4 mm (one inch) aperture. 3 Terms and definitions For the purposes of this document, the f
27、ollowing terms and definitions apply. 3.1 contact height distance between the plane of the top of the lip of the aerosol containers aperture and the centre of the radius of curvature of the extremities of the jaws of the clinching tool when fixing the valve cup NOTE See Figure 1.Licensed Copy: Wang
28、Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSIEN 14850:2005 (E) 6 Key DiInternal diameter of aperture = 25,4 mm t Thickness of the wall of the cup = 0,3 mm R Radius of the jaws = 1,2 mm CDDiameter of the jaws = 27,1 mm h Contact height hmm Figure 1 Contact height symbols Licensed
29、Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSIEN 14850:2005 (E) 7 4 Apparatus 4.1 Measuring instrument, as shown in Figure 3 and specified in clause 5, that reproduces the clinching conditions of Figure 1. Key 1 Point of hard contact 2 Diameter of the clinching jaws Fig
30、ure 2 Diameter of the clinching jaws Licensed Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSIEN 14850:2005 (E) 8 Key 1 Contact height 2 Constant of the instrument Figure 3 Constant of the instrument 5 Procedure Replace the tips of the clinching tool, which have a radius
31、of curvature of 1,2 mm and which form a clinch diameter of 27,1 mm, by a measuring instrument that has a radius r in mm given by: tRrc+= where Rcis the radius of curvature of the clinching tool, in millimetres (mm) = 1,2 mm; t is the thickness of the wall of the mounting cup, in millimetres (mm) = 0
32、,3 mm. Arrange it to touch the internal profile of the aperture at the point of direct contact (see Figure 2). The centre of the 1,5 mm radius will be 0,35 mm (constant for the instrument, see Figure 3) from the vertical internal tangent of the aperture, and at a distance h (contact height) from the
33、 horizontal tangential plane of the aperture. The value 0,35 mm is given by the formula: ()35022 ,/DitCtRD=+ by substituting the symbols by the values given in Figure 1. Licensed Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSIEN 14850:2005 (E) 9 NOTE Measuring instrument
34、s based on these principles are commercially available. Since these instruments give comparative results they shall first be adjusted using a setting piece. After setting the instrument to zero with the setting piece, measure the contact height at three equidistant points on the aperture. The contac
35、t height is the arithmetic mean of the three readings. Also record the maximum and minimum values. The contact element which has a radius of curvature 1,5 mm is held in contact with the internal profile of the aperture by a spring. 6 Test report The test report shall include the following: a) number
36、 of containers tested and their type; b) equipment used; c) number of satisfactory containers (see EN 14847 and prEN 15006); d) number of unsatisfactory containers (see EN 14847 and prEN 15006); e) date of testing. Licensed Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSI
37、EN 14850:2005 (E) 10 Bibliography 1 EN 14848, Aerosol containers Metal containers with 25,4 mm aperture Dimensions of valve cups. Licensed Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, na, Tue May 09 03:46:33 BST 2006, Uncontrolled Copy, (c
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