F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/97
F27D 3/16 (2006.01) B26F 1/02 (2006.01) F27D 3/04 (2006.01)
Patent
CA 1166846
NO-4-26020M/KK/81 ABSTRACT OF THE DISCLOSURE A mechanical punching apparatus for punching tuyeres in which the position of punching rods is varied in a one action in correspondence to movement of the tuyere and in which the mechanical puncher, a carriage and a puncher tilting device are readily accessible for overhaul and maintenance. A mechani- cal puncher including punching rods assemblies is mounted on a carriage which moves on rails along the longitudinal direc- tion of a converter. A link structure is arranged between the puncher and the carriage for tilting and moving the puncher with the movement being restricted along a predetermined locus having a center at the center of rotation of the conver- ter. The link includes first and second sets of levers disposed between the carriage and puncher with a coupling rod pivotally coupled between levers.
384816
Fujita Masao
Higashiiriki Nobuhiro
Iyama Yukio
Nippon Mining & Metals Co. Ltd.
Riches Mckenzie & Herbert Llp
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