Title:
FLUX FOR POURING
Document Type and Number:
Japanese Patent JPS60124460
Kind Code:
A
Abstract:
PURPOSE: To improve the effect of removing impurities from a casting and the effect of preventing the defect thereof by incorporating a specific ratio of Na2O, B2O3, F and SiO2 therein.
CONSTITUTION: A flux for pouring consists, by weight, of 6W20% Na2O, 4W19% B2O3 or, in addition thereto, ≤15% F and the balance SiO2. The flux is used in the stage of pouring a molten spheroidal graphite cast iron and is highly effective in removing impurities from the casting and preventing the defect thereof.
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Inventors:
TANAKA AKIO
YAMASHITA TADASHI
HIGUCHI TEIICHI
FUNAHASHI MITSURU
YAMASHITA TADASHI
HIGUCHI TEIICHI
FUNAHASHI MITSURU
Application Number:
JP23326083A
Publication Date:
July 03, 1985
Filing Date:
December 09, 1983
Export Citation:
Assignee:
KUBOTA LTD
International Classes:
B22D13/10; B22D13/02; B22D27/18; B22D27/20; (IPC1-7): B22D13/02; B22D27/18; B22D27/20
Domestic Patent References:
| JPS533970A | 1978-01-14 |
Attorney, Agent or Firm:
Toshio Yasuda