Metallurgical apparatus – Process – Plugging or tapping
Patent
1992-08-07
1993-11-09
Kastler, Scott
Metallurgical apparatus
Process
Plugging or tapping
266236, 222600, B22D 4128
Patent
active
052595927
ABSTRACT:
A sliding gate valve having a frame, a sliding carrier within the frame, means for securing the carrier in reciprocating relationship to the frame, a stationary plate secured at the upper portion of the valve, and a slide gate secured at the lower portion of the valve is disclosed. In one embodiment a spring plate is provided with beam springs cantileverly mounted on its under side having their end portions oriented in surrounding relationship to the teeming opening of the valve, and in addition, providing a cluster of such springs at the shut-off portion of the slide gate which underlies the teeming opening to the vessel in the shut-off position. As to the spring plate, the springs extend downwardly to engage a spring pressure raceway ring formed in the interior portion of the carrier throughout its length and width and partially surrounding the teeming opening of the valve. In addition, a spider-like cluster of springs is provided underneath the shut-off portion to load it when in the shut-off position. The method comprises positioning beam springs in a valve environment to the end that they surround the teeming opening in close proximate relation thereto, and have an auxiliary positioning of a cluster of springs to underlie a shut-off portion of the plate. In addition, the valve relates to the utilization of a bobtailed-type spring plate which is not bilaterally symmetrical in conjunction with a refractory plate in the sliding gate portion of a sliding gate valve.
REFERENCES:
patent: 4415103 (1983-11-01), Shapland et al.
patent: 4545512 (1985-10-01), Shapland et al.
patent: 5052598 (1991-10-01), King et al.
patent: 5062553 (1991-11-01), King
Dominik Jack E.
Flo-Con Systems, Inc.
Kastler Scott
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