Tube exchange device for holding and replacing a pouring nozzle, and assembly of a tube exchange device and a pouring nozzle
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United States of America Patent
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Nov 7, 2017
Issued Date -
N/A
app pub date -
Nov 17, 2015
filing date -
Mar 19, 2010
priority date (Note) -
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Abstract
A tube exchange device for holding and replacing refractory nozzle comprises a frame with a casting opening. The frame is configured to be fixed to the lower side of a metal casting vessel. The frame is has an upper portion and a lower portion joining at a middle section plane in which an inner nozzle and an exchangeable pouring nozzle form a sliding contact. The lower portion of the frame contains a displacing element and a guiding element disposed for displacing and guiding the nozzle from a standby position to a casting position, and a pressing element pressing the nozzle at the casting position towards the upper portion of the frame. In a combination of the tube exchange device and a nozzle, the nozzle comprises bearing elements mating with the clamping elements of the tube exchange device.
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