Glass manufacturing – With agitator for molten or soft glass
Patent
1991-03-01
1993-12-14
Woodard, Joye L.
Glass manufacturing
With agitator for molten or soft glass
366211, 366218, 432156, C03B 518
Patent
active
052698270
ABSTRACT:
An instrument and system for the preparation of a sample for analysis provides a crucible holder which improves the holding and control of a melting crucible during operation of the device for agitating a powdered sample and flux while being heated. The crucible holder is coupled to an agitation assembly which provides independently controlled operation on two different axes using separately adjustable variable frequency and amplitude motion along each of the two operating axes to provide an finite number of agitation patterns for the crucible. In one preferred embodiment of the invention, the heating flame is controlled by controlling the supply of compressed air and a combustion gas. In another preferred embodiment of the invention, a pilot burner is provided which both ignites the main burner located under the crucible and preheats the casting dish to a temperature which is substantially the same as the crucible. The pilot also can control air only flow directed to the casting dish for controllably cooling the sample melt to form the sample bead.
REFERENCES:
patent: 2804777 (1957-09-01), Kerr-Lawson
patent: 3437317 (1969-04-01), Micin
patent: 3451794 (1969-06-01), Patterson
patent: 3890089 (1975-06-01), Matocha
patent: 4045202 (1977-08-01), Claisse
patent: 4329136 (1982-05-01), Willay
patent: 4609392 (1986-09-01), Claisse
Corporation Scientifique Claisse Inc. Brochure, 10 pages.
Lenke James H.
Ponegalek Scott A.
Willis Peter M.
Leco Corporation
Woodard Joye L.
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