FIELD: foundry. SUBSTANCE: method involves using two models of like size and configuration; compressing mixture by model having temperature equal to ambient temperature; providing freezing by model cooled to negative temperature. EFFECT: increased efficiency in producing molds with clean surface free of voids and pores due to separate compression and freezing operations.
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METHOD FOR MAKING UNSPLITTABLE CASTING MOULDS | 1994 |
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RU2079388C1 |
METHOD OF MANUFACTURE OF MAGNETIC CASTING MOLDS | 1994 |
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METHOD OF PRODUCING CASTING MOULDS | 0 |
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SU825269A1 |
METHOD OF MAKING MOULDS BY VACUUM MOULDING | 0 |
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METHOD OF PRODUCING UNDETACHABLE MOULDS | 0 |
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CASTING MOULD PRODUCTION METHOD | 0 |
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Authors
Dates
1997-09-20—Published
1994-07-22—Filed