Patent ID: 7210990
Filing Date: 2007-05-01
Classification: F26B

Abstract:
1. Treatment apparatus for treating workpieces or groups of workpieces that are conveyed from an inlet to an outlet of the treatment apparatus, comprising a housing and receiving chambers, which rotate relative to the housing, for receiving the workpieces or groups of workpieces, wherein the receiving chambers are disposed in at least two different chamber levels and an outlet opening in the housing is associated with a first chamber level, through which the workpieces or groups of workpieces travel first, and an inlet opening is associated with a second chamber level, through which the workpieces or groups of workpieces travel after the first chamber level, and at least one transfer apparatus, which moves the workpieces or groups of workpieces from the outlet opening to the inlet opening, wherein the treatment apparatus comprises a chamber drum which is rotatable about an axis of rotation of the chamber drum and which is provided at its periphery with a surface seal moving together with the chamber drum, wherein the surface seal is in the form of a wrapping foil seal which is strctched onto the chamber drum.