METHOD FOR MAKING LEAD SHOTS Russian patent published in 2004 - IPC

Abstract RU 2220820 C2

FIELD: metal casting by drop forming, namely method for making hunter's lead shots. SUBSTANCE: method comprises steps of casting melt lead with use of heated reservoir for receiving lead drops and quenching them in double-layer cooling liquid containing mineral oil and water; according to invention casting melt lead onto spherical wall of heated reservoir with steel detachable bottom into which distributing comb is inserted. Said comb has teeth arranged in accordance with predetermined numbers of shots. Mineral oil is poured by layer equal to 4 - 5 cm. Temperature of heated reservoir is kept in range 331 - 341 C. EFFECT: enhanced efficiency. 3 cl, 1 dwg, 1 tbl

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RU 2 220 820 C2

Authors

Azarov V.N.

Donchenko B.T.

Zajtsev A.V.

Jurk'Jan O.V.

Dates

2004-01-10Published

2002-01-09Filed