Crucible

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United States of America Patent

PATENT NO 9527076
APP PUB NO 20130337396A1
SERIAL NO

13920600

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Abstract

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A graphite crucible has a cylindrical body with an upper opening for receiving a sample for analysis and a disk-shaped pedestal base. The pedestal base includes a bottom surface with a centrally formed circular indentation. An inwardly projecting concave arcuate annular indentation extends between the body and pedestal base with a smoothly curved radius of curvature. The upper and lower walls of the arcuate indentation diverge outwardly at an angle of from about 56° to about 60°.

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Patent Owner(s)

Patent OwnerAddress
LECO CORPORATION3000 LAKEVIEW AVENUE ST JOSEPH MI 49085-2396

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ford, Gordon C St. Joseph, US 26 187
Wetzel, Joshua N Benton Harbor, US 4 8

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