Device for inserting a retractable blank shutting off plate in a

Dispensing – Molten metal dispensing – Flow controllers or assists

Patent

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Details

266DIG1, 222606, B22D 4108

Patent

active

054942012

ABSTRACT:
An emergency blank shutting off device for conveying and exchanging pouring tubes sliding along guide-rails (6,7) determining a first trajectory is intended to ensure the immediate and tight stop of a casting operation in case of emergency. It comprises a carrier on which an emergency blank re-fractory plate (8) is set and actuated along a second trajectory which crosses over the first trajectory, from a readiness position (14), off the second trajectory to an alert position (15) on a zone overlapping the two trajectories adjacent to the operating position of a pouring tube (3) in the pouring axis.

REFERENCES:
patent: 4220271 (1980-09-01), Szadkowski
patent: 4693401 (1987-09-01), Nishimura et al.
patent: 5188743 (1993-02-01), King

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