1、BSI Standards PublicationBS EN 16288-2:2014Glass packaging Screw finishes for pressure capsulesPart 2: One way glass MCA 3 finishBS EN 16288-2:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 16288-2:2014. The UK participation in its preparation was entruste
2、d 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 of a contract. Users are responsible for its correct application. The Briti
3、sh Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 82977 2 ICS 55.100 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 201
4、4.Amendments issued since publicationDate Text affectedBS EN 16288-2:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORMEN 16288-2 March 2014 ICS 55.100English Version Glass packaging - Screw finishes for pressure capsules - Part 2: One way glass MCA 3 finish Emballage en verre - Bagues vis pour c
5、apsules pression - Partie 2: Bague MCA 3 pour verre perdu Verpackungen aus Glas - Schraubmundstcke fr Flaschen mit Innendruck - Teil 2: Einweg-MCA 3-(Glas-)Mundstck This European Standard was approved by CEN on 12 January 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulation
6、s 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 national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. Thi
7、s 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 the official versions. CEN memb
8、ers 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, Netherlands, Norway, Poland, Portuga
9、l, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form
10、 and by any means reserved worldwide for CEN national Members. Ref. No. EN 16288-2:2014 EBS EN 16288-2:2014EN 16288-2:2014 (E)2 ContentsPageForeword3 Introduction .4 1 Scope 5 2 Terms and definitions .5 3 Dimensions.5 Bibliography . 10 BS EN 16288-2:2014EN 16288-2:2014 (E)3 ForewordThis document (EN
11、 16288-2:2014) 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 2014 and conflic
12、ting national standards shall be withdrawn at the latest by September 2014.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 rights.EN 16288, Gl
13、ass packaging Screw finishes for pressure capsules, consists of the following parts: Part 1: Returnable glass MCA 3 finish Part 2: One way glass MCA 3 finishAccording to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this
14、European Standard: 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, Netherlands, Norway, Poland, Portugal, Romania, Slovakia,
15、 Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.BS EN 16288-2:2014EN 16288-2:2014 (E)4 IntroductionThis European Standard is based on CE.T.I.E. (International Technical Centre for Bottling and related Packaging) data sheet GME 32.01.1Efficient packaging is of great importance fo
16、r 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 16288-2:2014EN 16288-2:2014 (E)5 1 ScopeThis European Standard specifies the dimensions of the 28 mm screw finish for glass containers designated MC
17、A 3 for pressurized or vacuum liquids for one way glass.2 Terms and definitionsFor the purposes of this document, the following term and definition applies2.1MCA(glass) finish designed for the closure of pressurized or vacuum liquids with a tamper-evident closure (metal or plastic)3 DimensionsThe de
18、sign and dimensions of the finish shall be as shown in Table 1 and Figure 1, Figure 2, Figure 3,Figure 4 and Figure 5. Table 1 Design and dimensions of the finishPitch TPI cutter3,175 mm 2 12 8 12,5 mm = Helix angle or angle or fixture to cutter.NOTE TPI = Threads per Inch. One inch is equal to 25,4
19、 mm.The Tan of helix angle for cutter is calculated via the following formula:( )2nominalnominalpitchTanET +=whereT is the thread diameter;E is the wall diameter of threaded finish.The average of the maximum and minimum of L diameter is as close as possible to L nominal.The mean diameter 2mindiamete
20、rmaxdiameter +L is in the tolerance of 0,2 mmOptional: depressed thread at mould parting line (see EN 16292).BS EN 16288-2:2014EN 16288-2:2014 (E)6 Dimensions in millimetresKeyN neck (under bead) diameterH thread heightS start of thread position from sealing surface to intersection of thread flankF
21、height of the finishL locking bead diameterT thread diameterE wall diameter of threaded finishNOTE Bore diameter 19 mm max. for a depth of 3 mmFigure 1 MCA 3 finishBS EN 16288-2:2014EN 16288-2:2014 (E)7 Dimensions in millimetresType 1 Type 2Keya Mould parting lineb Sealing surfaceFigure 2 Possible a
22、lternative constructions of the bore entrance to suit glass manufacturerThe sealing surface is smooth and free of any defects and flash.BS EN 16288-2:2014EN 16288-2:2014 (E)8 Dimensions in millimetresMinimum through bore 16,0Figure 3 Detail of the profileBS EN 16288-2:2014EN 16288-2:2014 (E)9 NOTE Z
23、-Z is the last full depth and width of thread. Beyond this point and Y-Y, the thread root is gradually increased to full thread diameter T in 90.Figure 4 Run out of threadDimensions in millimetresFigure 5 Limit of constructionBS EN 16288-2:2014EN 16288-2:2014 (E)10Bibliography1 CE. T.I.E. data sheet
24、 GME 32.01- MCA 3 finish1)2 EN 16292, Glass packaging - Screw finishes - Depressed threads1) Obtainable through Centre Technique International de lEmbouteillage et du conditionnement (CE.T.I.E), 112- 114, rue La Botie, 75008 Paris, France www.cetie.org, TP: 0033-1-42 65 26 45, TF: 0033-1-40 07 03 21
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