1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 16289:2013Glass packaging Screwfinishes for pressure capsules MCA 7,5 RF finishBS EN 16289:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementat
2、ion of EN 16289:2013. The UK participation in its preparation was entrusted to TechnicalCommittee PKW/0/-/7, Packaging - Glass.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions o
3、f a contract. Users are responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013ISBN 978 0 580 74955 1 ICS 55.100 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under
4、 the authority of the Standards Policy and Strategy Committee on 31 March 2013.Amendments issued since publicationDate T e x t a f f e c t e dBS EN 16289:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16289 March 2013 ICS 55.100 English Version Glass packaging - Screw finishes for pressure
5、 capsules - MCA 7,5 RF finish Emballage en verre - Bagues vis pour capsules pression - Bague MCA 7,5 RF Verpackungen aus Glas - Schraubmundstcke fr Flaschen mit Innendruck - MCA 7,5-RF-Mundstck This European Standard was approved by CEN on 12 January 2013. CEN members are bound to comply with the CE
6、N/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Ce
7、ntre 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 the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as t
8、he official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Nethe
9、rlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of explo
10、itation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16289:2013: EBS EN 16289:2013EN 16289:2013 (E) 2 Contents Page Foreword . 3 Introduction 4 1 Scope 5 2 Terms and definitions 5 3 Dimensions. 5 Bibliography 10 BS EN 16289:2013EN 16289:2013 (E) 3 Foreword Th
11、is document (EN 16289:2013) 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 identical text or by endorsement, at the latest by September 20
12、13, and conflicting national standards shall be withdrawn at the latest by September 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rig
13、hts. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France
14、, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16289:2013EN 16289:2013 (E) 4 Introduction This document is based on CE.T.I.
15、E. (International Technical Centre for Bottling and related Packaging) data sheet GME 32.02 1. Efficient packaging is of great importance for the distribution and the protection of goods. Insufficient or inappropriate packaging can lead to damage or wastage of the contents of the pack. .BS EN 16289:
16、2013EN 16289:2013 (E) 5 1 Scope This European Standard specifies the dimensions of the 28 mm finish for glass containers for pressurised or vacuum liquids designated MCA 7,5 RF. 2 Terms and definitions For the purposes of this document, the following term and definition applies. 2.1 MCA (glass) fini
17、sh designed for the closure of pressurised or vacuum liquids with a tamper-evident closure (metal or plastic) 3 Dimensions The design and dimensions of the finish shall be as shown in Table 1 and Figures 1, 2, 3, 4 and 5. Table 1 Design and dimensions of the finish Pitch TPI cutter 3,387 mm 2 22 7,5
18、 12,5 mm = Helix angle or angle or fixture to cutter NOTE TPI = Threads per Inch. One inch is equal to 25,4 mm. The Tan of helix angle for cutter is calculated via the following formula: pitch Tan = (nominal T + nominal E) 2 where T is the thread diameter; E is the wall diameter of the threaded fini
19、sh. The average of the maximum and minimum of “L“ diameter is as close as possible to “L“ nominal. The mean diameter 2min diameter max diameter + Lis in the tolerance of 0,2 mm. Optional: depressed thread at mould parting line (see EN 16292). BS EN 16289:2013EN 16289:2013 (E) 6 Dimensions in millime
20、tres Key N neck (under bead) diameter H thread height S start of thread position from sealing surface to intersection of thread flank F height of the finish L locking bead diameter T thread diameter E wall diameter of threaded finish NOTE Bore diameter: 17,0 mm 0,5 mm for a depth of 3mm. Figure 1 MC
21、A 7,5 RF finishBS EN 16289:2013EN 16289:2013 (E) 7 Dimensions in millimetres Key a mould parting line b sealing surface The sealing surface is smooth and free of any defects and flash. Figure 2 Possible alternative constructions of the bore entrance to suit glass manufacturer BS EN 16289:2013EN 1628
22、9:2013 (E) 8 Dimensions in millimetres Minimum through bore 16,0 Figure 3 Detail of the profile BS EN 16289:2013EN 16289:2013 (E) 9 NOTE Z-Z is the last full depth and width of thread. Beyond this point and Y-Y, the thread root is increased gradually to full thread diameter T in 90. Figure 4 - Run o
23、ut of thread Dimensions in millimetres Figure 5 Limit of construction BS EN 16289:2013EN 16289:2013 (E) 10 Bibliography 1 CE.T.I.E. data sheet GME 32.02, 28 mm screw finish 7.5 RF Universal for bottles with internal pressure1)2 EN 16292, Glass packaging Screw finishes Depressed threads 1) Obtainable
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