1、BSI Standards PublicationBS EN 16287-2:2014Glass packaging Screw finishes for pressure capsulesPart 2: One way glass MCA 1 finishBS EN 16287-2:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 16287-2:2014. 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 82975 8 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 16287-2:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16287-2 March 2014 ICS 55.100 English Version Glass packaging - Screw finishes for pressure capsules - Part 2: One way glass MCA 1 finish Emballage en verre - Bagues vis pour
5、 capsules pression - Partie 2: Bague MCA 1 pour verre perdu Verpackungen aus Glas - Schraubmundstcke fr Flaschen mit Innendruck - Teil 2: Einweg-MCA 1-(Glas-)Mundstck This European Standard was approved by CEN on 12 January 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulati
6、ons 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 Centre or to any CEN member.
7、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 the official versions. CEN m
8、embers 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, Por
9、tugal, 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
10、form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16287-2:2014 EBS EN 16287-2:2014EN 16287-2:2014 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Terms and definitions .5 3 Dimensions .5 Bibliography . 10 BS EN 16287-2:2014EN 16287-2:2014 (E) 3 Foreword This d
11、ocument (EN 16287-2:2014) 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
12、 and conflicting 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
13、. EN 16287, Glass packaging Screw finishes for pressure capsules, consists of the following parts: Part 1: Returnable glass MCA 1 finish Part 2: One way glass MCA 1 finish According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to
14、implement this 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, Rom
15、ania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16287-2:2014EN 16287-2:2014 (E) 4 Introduction This European Standard is based on CE.T.I.E. (International Technical Centre for Bottling and related Packaging) data sheet GME 32.05.1 Efficient packaging is of
16、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 16287-2:2014EN 16287-2:2014 (E) 5 1 Scope This European Standard specifies the dimensions of the 28 mm screw finish for glass co
17、ntainers designated MCA 1 for one way glass. 2 Terms and definitions For the purposes of this document, the following term and definition applies. 2.1 MCA (glass) finish designed for the closure of pressurized or vacuum liquids with a tamper-evident closure (metal or plastic) 3 Dimensions The design
18、 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 finish Pitch TPI cutter 3,175 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 += where T 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 2mind
20、iametermaxdiameter +L is in the tolerance of 0,2 mm. Optional: Depressed thread at mould parting line (see EN 16292). BS EN 16287-2:2014EN 16287-2:2014 (E) 6 Dimensions in millimetres Key N neck (under bead) diameter H thread height S start of thread position from sealing surface to intersection of
21、thread flank F height of the finish L locking bead diameter T thread diameter E wall diameter of threaded finish NOTE Bore diameter 19 mm max. for a depth of 3 mm Figure 1 MCA 1 finish BS EN 16287-2:2014EN 16287-2:2014 (E) 7 Dimensions in millimetres Type 1 Type 2 Key a Mould parting line b Sealing
22、surface Figure 2 Possible alternative constructions of the bore entrance to suit glass manufacturer The sealing surface is smooth and free of any defects and flash. BS EN 16287-2:2014EN 16287-2:2014 (E) 8 Dimensions in millimetres Minimum through bore 16,0 Figure 3 Detail of the profile NOTE Z-Z is
23、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 thread BS EN 16287-2:2014EN 16287-2:2014 (E) 9 Dimensions in millimetres Figure 5 Limit of construction BS EN 16287-2:2014EN 16287-2:2014 (E
24、) 10 Bibliography 1 CE. T.I.E. data sheet GME 32.05 - MCA 1 finish 1)2 EN 16292, Glass packaging - Screw finishes - Depressed threads 1) 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
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