BS 7449:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
31-05-2006
English
15-02-2000
Committees responsible
Foreword
Specification
1 Scope
2 Definitions
3 Edge work, bevelling and drilling
4 Film backed glass
5 Horizontal glass supported over its entire area
6 External glass surfaces excluding horizontal glass
supported over its entire area
7 Hinged doors, lids or flaps incorporating glass
whether framed or unframed
8 Glass shelves
9 Nominal thickness tolerance
10 Stability
11 Mirrors
12 Marking
Appendices
A Impact test
B Recommendations on the contact of glass with other
materials
C Method of test for hinge strength of hinged
components incorporating glass
D Determination of the maximum evenly distributed safe
load of a glass shelf
E Recommendations for fixing mirrors
Tables
1 Nominal thickness of horizontal glass that is
supported over its entire area
2 Tolerance on nominal thickness for toughened, annealed
and film backed glass
3 Maximum evenly distributed safe load per unit area
supported by a glass shelf for determining safe
loading capacity (in kg/m2) for a given unsupported
length, thickness and type of glass
Figures
1 Tilt test angle
2 Impacter
3 Strength of doors pivoted in a vertical plane
4 Strength of top hung flaps
5 Strength of bottom hinged flaps
6 Slamming open of doors pivoted in a vertical plane
7 Slamming open of bottom hinged flaps
8 Unsupported length L of shelf for calculation of
maximum evenly distributed safe load
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