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This page displays all 「FI」 in main group B21K21/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Making hollow articles not covered by any single one of groups B21K 1/00-B21K 19/00 (essentially from sheet-metal or uniform thin-walled tubes B21D, e.g. B21D 41/00, B21D 51/00) | HB | CC | 4E087 | |
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.Producing blanks in the shape of discs or cups as semi-finished articles for making hollow articles, e.g. to be deep-drawn or extruded | HB | CC | 4E087 | |
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.Shaping thin-walled hollow articles, e.g. cartridges | HB | CC | 4E087 | |
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.Shaping thick-walled hollow articles, e.g. projectiles | HB | CC | 4E087 | |
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Large vessels, rings of large diameter | HB | CC | 4E087 | |
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Rings of small diameter | HB | CC | 4E087 | |
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Others | HB | CC | 4E087 | |
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.Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs | HB | CC | 4E087 | |
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..cone-shaped or bell-shaped articles, e.g. insulator caps | HB | CC | 4E087 | |
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.Shaping end portions of hollow articles | HB | CC | 4E087 | |
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..closed or substantially-closed ends, e.g. cartridge bottoms | HB | CC | 4E087 | |
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.Remodelling hollow bodies with respect to the shape of the cross-section (remodelling end portions only B21K 21/12) | HB | CC | 4E087 | |