Tightening device for a refractory plate of sliding closure on the spout of a vessel for molten metal
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United States of America Patent
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Issued Date -
Feb 24, 2005
app pub date -
Sep 15, 2004
filing date -
Nov 23, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A clamping device (2') is provided for a refractory plate (3) of a slide closure at the outlet of a container for metal melt. The plate (3) has two pairs of side faces (10, 11), disposed mirror-symmetrically with respect to its longitudinal center plane (L), at which a clamping element (22', 23', 43) disposed in a slider housing (1) engages with its clamping faces. The side faces (10, 11) disposed at one side of the longitudinal center plane (L) form an obtuse angle (.gamma.). Three of the clamping elements are developed as binding fittings (22', 23') pivotably supported in the slider housing (1) and the fourth clamping element has a binding jaw (43, 30) displaceable in the direction toward the corresponding side face (10 or 11). Therewith results a simple and optimal bracing of this plate (3) stress-loaded by the high-level heating generated during operation.
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