METHOD OF DETECTING FOREIGN MATTERS MIXED IN A LIQUID CONTAINED IN TRANSPARENT RECEPTACLES AND APPARATUS RELEVANT THERETO

摘要

Method and device for detecting foreign matters in a liquid containing receptacle (50) brought to stop after rotation, comprising use of projecting (7) and receiving (18) parts disposed on opposite sides of the receptacle (50) the part (18) comprises bundles of light-focussing-glass fibers (45); preferably two sets of projecting and receiving parts are used for inspection of control and peripherel portions of receptacle (50).