FIELD: process engineering.
SUBSTANCE: invention relates to metallurgy. Closing mechanism comprises three ceramic boards 2, 3, 4 laid one on the other, each being provided with hole 5. Ceramic plates 2, 3, 4 are poured at, least two sides, into ceramic paste 7. Said plates and paste make with metal housing 10 an integral assembly, said housing being used as a casting mould.
EFFECT: simplified production and replacement.
13 cl, 2 dwg
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Authors
Dates
2012-11-27—Published
2008-06-30—Filed