| 摘要 |
<p>Method for heat-sealing containers with the aid of metal protective caps, by means of induction, characterised in that the inductors 28 are placed in the plane of the protective cap 22 which consists of a metal sheet coated, on the face in contact with the container, with a substance permitting container/protective-cap sealing, and in that the said protective cap is held in position with the aid of a pressure plate 18 which is insensitive to the magnetic field created by the inductors. <IMAGE></p> |
