FIELD: interlocking barrels from thermoplastic synthetic material.
SUBSTANCE: interlocking barrel is equipped with barrel drainer for filling and emptying of barrel, air feeding and discharging drainer equipped with respective union for interlocking opening, which are positioned in diametrically opposite relation within slots of upper bottom of interlocking barrel, in edge portion of the latter, and with transfer-transportation ring. Rigidity ribs are formed on internal side of transfer-transportation ring, said rings being opposite to unions for interlocking openings, and rigidity projections extending upward from slots and formed between rigidity ribs and said unions.
EFFECT: improved resistance in zone adjacent to union or unions for interlocking openings to outer force loadings.
2 cl, 4 dwg
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