FIELD: foundry. SUBSTANCE: box includes housing placed onto foundation. Insert having cavities for protruded portions of core is placed in housing with possibility of its displacement after filling core. Insert has supporting columns passing through housing and resting upon foundation. Wedges engaging with slits of columns mounted in insert are arranged in housing. After termination of core shaping housing is turned around until alignment of openings of foundation with supporting columns. Insert is separated from core by gravity action. Protruded portions of core rest upon supports. EFFECT: enhanced reliability for drawing out protruded portions of core out of box. 3 cl, 5 dwg
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