General Signal Corporation

Leeds & Northrup Company

John R Wiese

Thomas J Walsh

Richard J Hance

Edwin E Kaufman

William E Shuttleworth

Harry G Clauss

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

An end-fill molten metal sampler is provided with a ball type check valve within the entrance passageway to the sample cavity.

End-filling sampler for molten metals

A refractory protection tube for immersion molten metal parameter determining devices having a thin perforated metal tube with a coating of refractory fibers and a binder to provide thermal insulation, freedom from out-gassing and mechanical strength.

Refractory protection tube for immersion molten metal devices

An expendable immersion thermocouple having a ceramic body member and a plastic tailpiece for supporting the thermocouple and producing a cavity into which a refractory cement is poured to secure the thermocouple in place. The tailpiece is provided with axially-extending resilient arms with enlarged end portions to serve as latching devices to temporarily hold the tailpiece to the ceramic body.

Growing community of inventors

Dresher, PA, United States of America

John R Wiese