ANNEAU A AIMANT PERMANENT

申请公布号：FR2848862(B1)

申请号：FR20030015105

申请日期：2003.12.19

申请公布日期：2005.08.19

申请人：

SAGAMI CHEMICAL METAL CO LTD

发明人：FUKUDA SHIGEO

分类号：H01F7/02;A61N2/06;A61N2/08;H01F41/02;(IPC1-7):A61N2/08

主分类号：H01F7/02

摘要：<p>The ring is made from a series of permanent rare-earth magnets, e.g. of neodymium-iron-boron, samarium-cobalt or similar, having a circular cross section, each in the shape of a cylinder, sphere, plane surface or disc. The lateral magnetic surfaces enable them to hold together in a ring of the required size; they are plated and have a coating of siliceous material.</p>

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