Method and apparatus for the continuous casting of cast-iron...

Details Method and apparatus for the continuous casting of cast-iron... Method and apparatus for the continuous casting of cast-iron...

B - Operations, Transporting

22

D

22/51

B22D 11/00 (2006.01) B22D 11/14 (2006.01)

Patent

CA 1205274

ABSTRACT Continuous ascending vertical casting of a cast-iron pipe comprising a socket, from a bath of liquid cast-iron. By means of a chill-mould and a core providing the shape of the socket and by means of a tubular die providing the outer shape of the pipe body, the socket is first of all formed by causing molten cast-iron to rise in an annular space between the chill-mould and the core and also one forms-the end of the pipe body next to the socket. After having allowed the socket to solidify, it is raised step by step drawing from the bath of the molten metal successive tubular portions of the pipe body, which also solidify step by step, until the desired length of pipe is obtained. The method is particularly suited to the casting of thin pipes comprising a socket whereof the ratio of thickness to diameter is less than 10%.

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