Metal founding – Process – With measuring – testing – inspecting – or condition determination
Patent
1982-01-06
1985-12-03
Godici, Nicholas P.
Metal founding
Process
With measuring, testing, inspecting, or condition determination
164150, 164155, 164413, 164453, 164454, B22D 1104, B22D 1116
Patent
active
045560994
ABSTRACT:
The abnormality is detected during a flow thereof through the mold. The detection is achieved by means of at least a pair of upper and lower temperature detecting elements, located along the flow of the casting metal. The abnormality is determined to exist when a temperature inversion, that is T.sub.U .ltoreq.T.sub.L, takes place. The symbols T.sub.U and T.sub.L denote the temperatures measured by the upper and lower temperature detecting elements, respectively, in which a relationship, that is T.sub.U >T.sub.L, stands under a normal casting operation.
REFERENCES:
patent: 3204460 (1965-09-01), Milnes
patent: 3478808 (1969-11-01), Adams
patent: 3537505 (1970-11-01), Thalmann et al.
patent: 3575230 (1971-04-01), Calderon
patent: 3786856 (1974-01-01), Nishikawa
patent: 4066114 (1978-01-01), Dorr et al.
patent: 4235276 (1980-11-01), Gilles et al.
Kiriu Yukio
Sudo Kunikane
Tsuneoka Akira
Yamamoto Toshiki
Batten, Jr. J. Reed
Godici Nicholas P.
Nippon Steel Corporation
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