摘要 |
An apparatus comprises a shrink tunnel for use in a production system for the production of packaging units from packaging materials filled with a product and having shrink film shrunk thereon, the shrink tunnel comprising a tunnel zone, heating means for application of heat to shrink the shrink film onto packaging units moved through the tunnel zone, the tunnel zone being maintained at a tunnel temperature equal to a target operating temperature, wherein the tunnel has an operating mode and a standby mode, wherein heat output during the standby mode is less than heat output during the operating mode, and wherein the standby mode is triggered by at least one of a time control and a signal control. |