IS 9695 : 1980 Methods of sampling of helmets

1 Scope

1.1 This standard prescribes methods of sampling and criteriafor conformity for various types of helmets. Broad guidelines withregard to process control to be exercised during manufacture havealso been indicated.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 397 : Part I :1972 Methods for statistical qualitycontrol duringproduction: Part I Control charts for variables

IS 397 : Part II :1975 Methods for statistical quality controlduringproduction: part II Control charts forattributes and count of defects

IS 4905 :1968Methods for random sampling