| 发明名称 |
Method and holder for the manufacture of annular cores |
| 摘要 |
In the manufacture of a flared ferromagnetic annular core for a television deflection unit in which a moulding (13) consisting of compressed starting material is supported in a hollow holder (11) having an inclined inner wall (12) on which a considerable part of the flared outer surface of the moulding (13) bears during sintering. Allows compression and expansion of the moulding to take place.
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| 申请公布号 |
US4564489(A) |
申请公布日期 |
1986.01.14 |
| 申请号 |
US19830533338 |
申请日期 |
1983.09.19 |
| 申请人 |
U.S. PHILIPS CORPORATION |
发明人 |
WELZEN, JOZEF T. A. M.;STIJNTJES, THEODORUS G. W.;VAN DER MEER, AANT B. D.;LOEBEL, RUDOLF O. M.;NIJHOF, BEREND J. |
| 分类号 |
H01J9/236;C04B35/64;F27D5/00;H01F41/02;(IPC1-7):F27B9/14 |
主分类号 |
H01J9/236 |
| 代理机构 |
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代理人 |
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| 主权项 |
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