General Signal Corporation

William E Shuttleworth

John R Wiese

Edwin E Kaufman

There is provided an expendable device for use with a standard immersion sensor for a molten metal bath to simultaneously hold a standard immersion sampler in juxtaposition to the sensor when the sensor is in its protective sleeve at the end of a lance ready for immersion into the bath. This device provides another expendable heat insulating protective sleeve for accepting in its end the sampler with means being provided for maintaining a side by side relationship between the sampler sleeve and the sensor sleeve during immersion. This combination may advantageously have a vent pipe extending between the sleeves to allow air displaced from the sampler by influx of the sample to vent to a region above the molten metal bath by way of a passage in the sensor sleeve.

Expendable immersion device for combining an expendable immersion sensor

A device for immersion in a molten metal to determine a parameter of the molten metal including a parameter determining element and a first elongate section. The first elongate section is a replaceable section including a paper tube having a refractory coating on its outer surface. This replaceable section includes a first connector at one end thereof for detachably receiving the parameter determining element and for mechanically and electrically connecting the parameter determining element thereto. The replaceable section further includes a second connector at its other end with the second connector being electrically connected to the first connector. Also provided is a second elongate section having a third connector at one end for detachably receiving the second connector and for mechanically and electrically connecting the third connector to the second connector. The second elongate section further includes means at its other end for electrically connecting the third connector to an instrument designed to receive an output signal from the parameter determining element.

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Ellwood City, PA, United States of America

William E Shuttleworth