Apparatus for heat shrinking a package and method for heat shrinking a package
US11661224B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2017 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | May 16, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B53/063
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An apparatus for heat shrinking packages includes a mover having an active surface configured for receiving one or more packages and for displacing the one or more packages along a predetermined operating path, a heating fluid circuit configured to circulate a heating fluid, a control unit operative on the heating fluid circuit, the control unit being configured to control circulation of the heating fluid in the heating fluid circuit, a chamber having an opening and being configured for receiving the one or more packages positioned on the active surface and for heat shrinking the one or more packages based on circulation of the heating fluid in the heating fluid circuit, and means for forming a liquid curtain arranged at the opening and configured to define a liquid curtain along the opening, the liquid curtain separating an inner volume of the chamber from an ambient atmosphere external to the chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.