INJECTION MOLDED PLASTIC CONTAINER WITH ONE EDGE AND COVER WITH LATCH Russian patent published in 1998 - IPC

FIELD: storage and transportation of any material. SUBSTANCE: cover has inner surface which remains under upper edge of plastic container when cover is latched. Inner side of cover embracing inner surface of cover is provided with bending around reinforcement corrugation which has many rectangular projections pointed inwards and connecting inner surface of cover with its inner side. Outer zone of cover embracing the wall of plastic container has bevel for sliding pointed outwards which changes into almost vertical zone at larger distance from container wall and terminating close to bending around edge. EFFECT: increased load holding capacity of plastic containers and covers in pile, facilitated process of piling, prevention of damage to cover edges by adjacent plastic containers and piling or transportation on pans. 9 cl, 5 dwg