BS EN 16291-2-2013 Glass packaging Screw finishes for pressure capsules One way glass MCA 2 finish《玻璃包装 压力传感器用螺旋抛光 单向玻璃MCA 2抛光》.pdf

1、BSI Standards PublicationBS EN 16291-2:2013Glass packaging Screwfinishes for pressure capsulesPart 2: One way glass MCA 2 finishIncorporating corrigendum August 2014BS EN 16291-2:2013ForewordThis British Standard is the UK implementation of EN 16291-2:2013, incorporating corrigendum August 2014.The

2、UK participation in its preparation was entrusted by Technical Committee PKW/0, Packaging, to Subcommittee PKW/0/-/7, Packaging - Glass.A list of organizations represented on this subcommittee can be obtained on request to its secretary.This publication does not purport to include all the necessary

3、provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2014. Published by BSI Standards Limited 2014ISBN 978 0 580 87782 7ICS 55.100Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was publis

4、hed under the authority of the Standards Policy and Strategy Committee on 31 March 2013.Amendments/corrigenda issued since publicationDate Text affected31 October 2014 Implementation of CEN corrigendum August 2014: Figure 1 replacedBRITISH STANDARDEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN

5、 16291-2 ICS 55.100 English Version Glass packaging - Screw finishes for pressure capsules - Part 2: One way glass MCA 2 finish Emballage en verre - Bagues vis pour capsules pression - Partie 2: Bague MCA 2 pour verre perdu Verpackungen aus Glas - Schraubmundstcke fr Flaschen mit Innendruck - Teil 2

6、: Einweg-MCA 2-Mundstck This European Standard was approved by CEN on 12 January 2013. CEN members are bound to comply with the CEN/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

7、 and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre 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 t

8、he 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 members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugo

9、slav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN

10、 DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16291-2:2013: EIncorporating corrigendum August 2014March 2013BS EN 16291-2:

11、2013EN 16291-2:2013 (E) 2 Contents Page Foreword . 3 Introduction 4 1 Scope 5 2 Terms and definitions 5 3 Dimensions. 5 Bibliography 10 BS EN 16291-2:2013EN 16291-2:2013 (E) 3 Foreword This document (EN 16291-2:2013) has been prepared by Technical Committee CEN/TC 261 “Packaging”, the secretariat of

12、 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 2013, and conflicting national standards shall be withdrawn at the latest by September 2013. Attention is drawn t

13、o 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 16291, Glass packaging Screw finishes for pressure capsules, consists of the following parts: Part 1: R

14、eturnable glass MCA 2 finish; Part 2: One way glass MCA 2 finish. 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, Es

15、tonia, Finland, Former Yugoslav Republic of Macedonia, France, 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 16291-2:2013EN

16、16291-2:2013 (E) 4 Introduction This document is based on CE.T.I.E. (International Technical Centre for Bottling and related Packaging) data sheet GME 320 1. Efficient packaging is of great importance for the distribution and the protection of goods. Insufficient or inappropriate packaging can lead

17、to damage or wastage of the contents of the pack. BS EN 16291-2:2013EN 16291-2:2013 (E) 5 1 Scope This European Standard specifies the dimensions of the screw finish for glass containers designated MCA 2 for one way glass. 2 Terms and definitions For the purposes of this document, the following term

18、 and definition applies. 2.1 MCA (glass) finish 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

19、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 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;

20、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 2min diameter max diameter + Lis in the tolerance of 0,2 mm. Optional: depressed thread at mould parting line (see EN 16292). BS EN 16291-2:2013

21、EN 16291-2:2013 (E) 6 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: 18,1 mm 1,0 mm for a depth of

22、 3mm. Figure 1 MCA 2 finish Dimensions in millimetres BS EN 16291-2:2013EN 16291-2:2013 (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

23、 glass manufacturer BS EN 16291-2:2013EN 16291-2:2013 (E) 8 Dimensions in millimetres Minimum through bore 16,0 Figure 3 Detail of the profile BS EN 16291-2:2013EN 16291-2:2013 (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 graduall

24、y to full thread diameter T in 90. Figure 4 Run out of thread Dimensions in millimetres Figure 5 Limit of construction BS EN 16291-2:2013EN 16291-2:2013 (E) 10 Bibliography 1 CE.T.I.E. data sheet GME 320 - Pilferproof for pressured beverages1)2 EN 16292, Glass packaging Screw finishes Depressed thre

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