FIELD: chemistry.
SUBSTANCE: sheet glass bending mould comprises a moulding surface with a given curvature and has depressions in two diametrically arranged sectors of the moulding surface in the form of bodies of revolution with a triangular section with the width of the working faces of 5-10 mm. The depressions have holes located on the axial line of the two sectors and connected to each other by a sealed cavity.
EFFECT: higher scattering angle of articles on the horizontal, used as reflectors of aerodrome approach lights.
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