| 摘要 |
Inductively heatable apparatus, particularly for plastics extruders, with a housing 1 of steel and an opening 1a for the passage of the material to be heated wherein to produce a magnetic field has laminated iron cores 2, 2a, 3, 3a coupled magnetically to the housing wherein the laminated iron cores are E-shaped, with the arms of the cores directed to the housing and at least one thereof supporting a coil, the G cores being disposed symmetrically about housing 1 and urged towards it by resilient clips or casing parts 8, 9 tensioned by nuts and bolts 13, 17. Thermal insulation 7 may be disposed between extruder housing 1 and the cores. <IMAGE> |
