1、BRITISH STANDARD BS ISO 9727-5:2007 Cylindrical cork stoppers Physical tests Part 5: Determination of extraction force ICS 55.100; 79.100 BS ISO 9727-5:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 June 2007 BSI 2007 ISBN 978 0 580
2、52942 9 National foreword This British Standard was published by BSI. It is the UK implementation of ISO 9727-5:2007. The UK participation in its preparation was entrusted to Technical Committee PRI/81, Cork. A list of organizations represented on this committee can be obtained on request to its sec
3、retary. 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 cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. Date Comments Reference n
4、umber ISO 9727-5:2007(E)INTERNATIONAL STANDARD ISO 9727-5 First edition 2007-05-15 Cylindrical cork stoppers Physical tests Part 5: Determination of extraction force Bouchons cylindriques en lige Essais physiques Partie 5: Dtermination de la force dextraction BS ISO 9727-5:2007ii iii Foreword ISO (t
5、he International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical commit
6、tee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotech
7、nical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member
8、 bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying
9、 any or all such patent rights. ISO 9727-5 was prepared by Technical Committee ISO/TC 87, Cork. This first edition of ISO 9727-5, together with the other parts of ISO 9727:2007, cancels and replaces ISO 9727:1991, which has been technically revised. ISO 9727 consists of the following parts, under th
10、e general title Cylindrical cork stoppers Physical tests: Part 1: Determination of dimensions Part 2: Determination of mass and apparent density for agglomerated cork stoppers Part 3: Determination of humidity content Part 4: Determination of dimensional recovery after compression Part 5: Determinat
11、ion of extraction force Part 6: Determination of liquid tightness Part 7: Determination of dust content BS ISO 9727-5:2007 blank1 Cylindrical cork stoppers Physical tests Part 5: Determination of extraction force 1 Scope This part of ISO 9727 specifies a test method for determining the maximum force
12、 necessary to extract a cylindrical cork stopper. It is applicable to all types of cylindrical cork stoppers ready for use, intended to be completely inserted in the bottle neck (straight cork stoppers). 2 Normative references The following referenced documents are indispensable for the application
13、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. ISO 633, Cork Vocabulary 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO
14、 633 and the following apply. 3.1 straight cork stopper ras de bague stopper which is completely introduced in the bottle neck, its superior end reaching the top border of the bottle 4 Materials 4.1 Acetone, for cleaning the glass tubes or the necks of the empty bottles. 5 Apparatus 5.1 Bottling mac
15、hine with 4 jaws, with a jaw-compression diameter regulated between 15,5 mm and 16 mm. 5.2 Glass tubes, with an internal diameter of 18,5 mm 0,2 mm or an internal diameter of (d 0,2) mm (where d is the bore diameter of the bottle intended to be used, measured at 3 mm from the top border of the bottl
16、e) or empty bottles whose bore characteristics will be specified and referred to in the test report. BS ISO 9727-5:20072 5.3 Corkscrew, with a helicoidal stick, having the following characteristics: useful length: W 40 mm, u 60 mm; internal diameter: W 3 mm, u 4 mm; external diameter: W 8,5 mm, u 10
17、 mm; wire diameter: W 2,7 mm, u 3,2 mm; thread: W 8 mm, u 11 mm. 5.4 Extraction device, operated by an electric engine, having a compression gauge sensor with a maximum resolution of 10 N, which moves in the parallel direction to the central axis of the stopper at a speed of 300 mm/min. 6 Test condi
18、tions 6.1 Environment The test shall be carried out in an environment with the following characteristics: temperature 21 C 4 C; relative humidity of air 60 % 20 %. 6.2 Cork stoppers 6.2.1 Temperature At the beginning of the test, confirm that the stoppers of the test sample are at a temperature of 2
19、1 C 4 C. 6.2.2 Humidity At the beginning of the test, confirm that the stoppers of the test sample are at a humidity of 6 % 2 %. When the humidity is not between 4 % and 8 %, the result of the humidity obtained shall be referred to in the test report. 7 Sampling From each lot, take the quantity of s
20、toppers that correspond to the sampling plan previously agreed between the interested parties. 8 Procedure Clean the glass tubes (5.2) or empty bottles with acetone (4.1) and let them dry. Put corks on empty bottles or tubes with the bottling machine (5.1). Carry out measurements one hour after cork
21、age. BS ISO 9727-5:20073 Introduce the corkscrew (5.3) into the central point of the cork-stopper end, the corkscrew axis being parallel to the cork-stopper central axis. Fix the tube or the bottle on the extraction device (5.4). Connect the corkscrew to the extraction device. Pull out the stopper a
22、t a speed of 30 cm/min. Read the maximum extraction force on the dial of the measuring unit and register the value obtained, in newtons, rounded off to the nearest 10 N. 9 Results The final test result is the arithmetic average of the results obtained with each stopper of the test sample, rounded of
23、f the nearest unity, and also the standard deviation rounded off to the nearest unity. 10 Test report The test report shall include the following information: a) a reference to this part of ISO 9727, referring to the type of support used (glass tube or bottle), as well as its dimensional characteris
24、tics; b) complete identification of the sample, including its type and origin; c) sampling report; d) results obtained; e) any deviation from this part of ISO 9727 that may have affected the results, namely the extraction speed if different from that specified in Clause 8. BS ISO 9727-5:2007BS ISO 9
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