Sampling device for thermal analysis
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United States of America Patent
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Jul 27, 2004
Grant Date -
May 8, 2003
app pub date -
Dec 2, 2002
filing date -
Nov 28, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sampling device for thermal analysis of solidifying metal, particularly compacted graphite iron, includes a container (2) essentially cylindrical, open at the top intended to be immersed down into and filled with a liquid metal to be analyzed, at least one temperature responsive sensor member (4), preferably two, a protective tubing (14) concentrically enclosing said sensor(s), arranged inside said container (2) and supported by a sensor support member (15) arranged above said container and attached to the container (2) by legs (16) and intended to guide and keep the sensors (4) in position, when immersed in the solidifying metal sample quantity (3) during analysis, wherein container (2) has an interior surface (17) intended to contact the sample quantity (3) during analysis, and an exterior surface (18) intended to contact the ambient atmosphere, the surfaces (17 and 18) being joined at the mouth (12) of the container (2), being equally spaced forming a closed insulating space (8), and the container (2) has a substantially semi-spherical bottom part (2b), having a concentrically arranged flattened part (2c).
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