FIELD: transport.
SUBSTANCE: in compliance with this method, cold air 3 is forced in chamber 1 of heat tunnel 2 and heated by heaters 4. Then, product 6 packed with film 5 is placed in heated air of chamber 1 and heated to film shrink temperature in cooling process. Then, product 6 is carried from heat tunnel to cool film 6. In heating film 5, hot air is additionally injected into chamber 1 onto film 5, at the angle to its surface from top to bottom an opposite direction of cold air feed. Note here that film heating rate is adjusted by increasing or decreasing hot air jet temperature.
EFFECT: higher quality of package and process efficiency.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| HEAT TUNNEL FOR PACKAGING PRODUCTS IN HEAT-SHRINK FILM AND METHOD OF PACKAGING PRODUCTS | 2011 |
|
RU2491214C1 |
| BLOWER FOR HEAT TUNNEL OF PACKING LINE AND BLOWER IMPELLER | 2011 |
|
RU2523491C2 |
| PACKING LINE HEAT TUNNEL CONVEYOR | 2011 |
|
RU2488528C1 |
| PACKING FILM THERMAL SHRINKAGE OVEN | 1997 |
|
RU2127697C1 |
| CONVEYER FURNACE | 1997 |
|
RU2115599C1 |
| FURNACE FOR ELONGATED ITEMS PACKING IN SHRINKABLE FILM | 2003 |
|
RU2240966C2 |
| THERMAL KNIFE OF CONSTANT HEATING OF PACKING MACHINE (VERSIONS) | 2011 |
|
RU2499753C2 |
| THERMAL SHRINKAGE FURNACE | 0 |
|
SU1574508A1 |
| THERMAL SHRINKAGE FURNACE | 0 |
|
SU1528690A1 |
| TROLLEY OF PACKAGING MACHINE | 2011 |
|
RU2487824C1 |
