Calculating apparatus

Details Calculating apparatus Calculating apparatus

1977-10-03

1980-05-20

Tomsky, Stephen J.

Registers

Calculators

Tabular

235 61B, 235 70A, 235 89R, G06C 300

Patent

active

042035422

ABSTRACT:
A calculator is described which greatly simplifies the calculation of the required feeder head parameters, e.g. size, amount of antipiping compound, in casting metals. Only the size of the casting section being fed and the normalized inscribed circle relating thereto need to be measured.

REFERENCES:
patent: 666091 (1901-01-01), Fergusson
patent: 1520105 (1924-12-01), Bicknell
patent: 1667812 (1928-05-01), Miller
patent: 3436012 (1969-04-01), Stephenson
patent: 3533551 (1970-10-01), Cole et al.
patent: 3559881 (1971-02-01), Maison
patent: 3627199 (1971-12-01), Hill

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