| 摘要 |
The arm (33) and paired mold supports (34) carried by it, rotate about its common longitudinal axis, turned by a drive unit. Each support includes a detachable hood (36) surrounding the mold and forming a heating chamber. Preferred features: Mold supports lie opposite each other. The hood is hemispherical. On each arm, mold supports rotate on an axis penetrated transversely by its longitudinal axis. Each support includes a rack driven by a motorized pinion, its axis aligning with that of the arm. The rack is on the rear side of the support, facing the arm. Further detail and support drive variants are included. The arm is hollow and adjustable, also swinging about horizontal and vertical axes. Its height can be varied.
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