SLIDE GATE

WIPO Patent Application WO/2000/050188

A1

A slide gate comprising a frame fixed to the bottom surface of a molten steel vessel, a guide frame provided on the lower surface of the frame and a plurality of refractory plates inserted and held in a space surrounded by these frames, one of the plates being allowed to slide to control an opening of a nozzle gate, wherein a spring receiver is provided in a direction perpendicular to a sliding direction of a slide plate of the frame, and a surface pressure bar capable of moving by being guided by the guide frame when the guide frame is closed is provided by providing a spring case, in which a spring is loaded, on the spring receiver and by mounting rollers respectively on downwardly extending roller receivers at the opposite ends of the spring case, whereby a surface pressure load release work can be easily performed by connecting the frame and the guide frame together by moving the surface pressure bar for connection with the rollers and by placing a spring-generated surface pressure on the slide plate. Specifically, a slide gate capable of easily mounting or dismounting the refractory plate by operating an adjustment bolt and adjusting a wedge block.

TOFUKU HIROYUKI (JP)
SAITOH SHINJIRO (JP)
KAMETANI KIKUO (JP)

PCT/JP1999/000910

August 31, 2000

February 25, 1999

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SUMITOMO HEAVY IND FOUNDRY & F (JP)
TOFUKU HIROYUKI (JP)
SAITOH SHINJIRO (JP)
KAMETANI KIKUO (JP)

B22D41/24; B22D41/40; (IPC1-7): B22D11/10; B22D41/40

JPH08117985A	1996-05-14
JPH0780631A	1995-03-28
JPS61159258A	1986-07-18
JPH03120951U	1991-12-11

Yamauchi, Yasunobu (Kotobukicho 1-chome Takamatsu-shi Kagawa, JP)

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