BS 2495:1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for protective helmets for vehicle users (high protection)
Hardcopy , PDF
14-10-2005
English
01-01-1977
Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 Materials
5 Construction
6 Headforms
7 Performance requirements
8 Sampling for testing
9 Conditioning for testing
10 Examination for extent of protection
11 Shock absorption test
12 Penetration test
13 Retention system test
14 Test for flammability
15 Marking
16 Information to users (labels)
Tables
1 Sizes of headforms
2 Sequence of testing for shock absorption test
3 Polar co-ordinates of horizontal half-sections of
headforms
Figures
1 Typical headform
2 Extent of protection and clearance for goggles
3 Swingaway test method for shock absorption
4 Test block for penetration resistance
5 Headform elevations
6 Horizontal half-sections at datum levels
7 Warning label
8 Schematic arrangement of retention system test
Appendix
A Recommendation on minimum radii for thermoplastics
materials
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