| 摘要 |
<p>A magnetic fastening device comprises a magnetic attraction member (11, 12) including a permanent magnet (16, 17) and an elongate tubular sheath (13) which is made of nonmagnetic material and tightly encloses the magnetic attraction member (12, 13). Two magnetic attraction members may be interconnected by a flexible hinge member which is integral with the sheaths of the members and formed from a length (13) of shrink tubing.</p> |
