Metallurgical apparatus – With cleaning or lubricating means
Patent
1980-07-17
1981-12-01
Skiff, Peter K.
Metallurgical apparatus
With cleaning or lubricating means
266271, C21C 546
Patent
active
043032290
ABSTRACT:
A mechanical punching device for punching the tuyeres of a converter properly independently of the angle of inclination of the converter. Link mechanisms, each having two turning arms, are provided on both sides of a carriage with the two turning arms being connected together by the end shaft of the link drive device. The end shaft is a link drive device movable vertically so that the distance between one of the supporting shafts which serves as a fulcrum and one of the holding shafts of the mechanical puncher on the side of the punching rod is shorter than the distance between the other supporting shaft and the other holding shaft. The holding shafts slide along guide slots formed in the side wall of the carriage. The angle of inclination and horizontal and vertical positions of the mechanical puncher are thereby changed with a single operation of the link drive device.
REFERENCES:
patent: 2008795 (1935-07-01), Olmstead
patent: 2425792 (1947-08-01), Forbes
patent: 3667748 (1972-06-01), Dienenthal et al.
patent: 4202536 (1980-05-01), Demidowicz et al.
patent: 4265433 (1981-05-01), Kubo
Fujita Masao
Higashiiriki Nobuhiro
Iyama Yukio
Nippon Mining Company Limited
Skiff Peter K.
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