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1、INTERNATIONAL STANDARD IS0 9008 First edition 1991-12-15 Glass bottles - Verticality - Test method Bouteilles en verre - Verticalit vertical axis deviation: Horizontal deviation of the centre of the container finish from a theoretical vertical line through the centre of the base. This deviation is e
2、qual to half the diameter of the circle described by the centre of the finish when the bottle rotates around the vertical axis through the centre of the base. 3.2 verticality tolerance: The limits outside which the verticality shall not deviate when the bottle is placed on a flat horizontal surface.
3、 4 Apparatus 4.1 The apparatus shall be capable of maintaining the base of the bottle horizontal and of measuring the deviation of the finish from the vertical to an ac- curacy of 0,l mm. Various types of apparatus exist: for example, measurements can be made a) by comparison with a horizontal scale
4、; b) by using a dial gauge, and c) by projecting a magnified shadow on a scale. In all cases, the measurements are carried out on the outside of the ring (finish). 4.2 For round bottles, the simplest form of appar- atus is a verticality gauge which comprises a baseplate fitted with a V-block, or a r
5、otatable plate with a three- or four-jaw self-centring chuck, and a vertical pillar carrying a horizontal scribe or dial gauge which is adjustable with regard to height and length. A non-touching light-scanning apparatus may also be used. 4.3 For non-round bottles, a device should be used which enab
6、les the bottle to be held In the centre of a rotatable plate. 4.4 Apparatus other than that specified in this clause may be used provided that the same degree of accuracy is obtained. 5 Sampling Sampling shall form the subject of agreement be- tween the parties concerned. 1 Copyright International O
7、rganization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/28/2007 06:52:31 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 9008:1991(E) 6 Procedure 8.1 Round bottles Place the bottle either a
8、) on a horizontal baseplate and press it against a V-block using a downward force at 45” to the horizontal, or b) on a horizontal rotatable plate in a three- or four-jaw self-centring chuck. 8.2 Non-round bottles 7 Expression of results Take as the vertical deviation, half the difference between the
9、 maximum and minimum distance measured. 8 Test report The test report shall specify the following infor- mation: a) reference to this International Standard; b) the size of the sample and the type of container tested: Locate the bottle in the device (4.3). c) manufacturing details: 8.3 Measurement R
10、otate the bottle or the plate, depending on the case, through 360” and record, to the nearest 0,l mm, the minimum and maximum distance of the outside of the finish from a fixed point on the same horizontal plane. d) the type of apparatus used; e) the results obtained; f) the testers name and signatu
11、re, and date of test. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/28/2007 06:52:31 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 9008:1991(E) UDC 621.
12、798.147:666.171:531.717.8 Descriptors: containers, glass packaging, bottles, tests, determination, dimensional measurements, verticality. Price based on 2 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/28/2007 06:52:31 MDTNo reproduction or networking permitted without license from IHS -,-,-