Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...
Patent
1980-01-28
1981-10-06
Baldwin, Robert D.
Metal working
Method of mechanical manufacture
Combined manufacture including applying or shaping of fluent...
2940219, 164 1, 249174, B23P 600
Patent
active
042927269
ABSTRACT:
A process for reconditioning an ingot mold of the type including an elongated cavity area having some predetermined volume and at least one open end for purposes of extending the useful life thereof. In accordance with the reconditioning process, a short portion of the mold length is cut-off or machined away at a mold cavity open end to eliminate the usual mold damage which typically occurs at that area after a number of separate casts. The cut-off is effected so that the mold cavity will have some new volume comprising some predetermined reduction of the original volume. This second volume is calculated such that ingots then cast from the reconditioned mold and thereafter processed may be cut into a lesser number of bars having substantially the same size and volume characteristics as those bars cut from ingots cast in the original mold. In some cases, it may be desirable to also machine at least the mold cavity side walls so that the original surface conditions and dimensional relationships are substantially assumed.
REFERENCES:
patent: 1881088 (1932-10-01), Matuschka
patent: 2437626 (1948-03-01), Tinsley
patent: 2499292 (1950-02-01), Black
patent: 2761201 (1956-09-01), Sylvester
patent: 3191292 (1965-06-01), Strom
patent: 3201213 (1965-08-01), Werner
patent: 3593406 (1971-07-01), Jones, Jr. et al.
Baldwin Robert D.
Batten, Jr. J. Reed
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