Thermo-shrinking device for packaging with heat-shrink film, equipped with section burners. (Machine-translation by Google Translate, not legally binding)

摘要

Thermo-shrinking apparatus for a thermo-shrink film packaging on loads moving along a transport line (1c) along a longitudinal axis (xx), comprising a supporting bridge (1), arranged to straddling said transport line, on which a ring furnace provided with a plurality of gas burners is vertically movable, Each burner being composed of a box-shaped body with suitable outlet nozzles for expelling hot air from a peripheral zone towards a central working zone of said annular furnace, in which a load to be packed is intended to rest, Said plurality of burners comprising a first pair of cross burners (2, 3) arranged opposite each other, and a second pair of side burners (4, 5), disposed facing each other and essentially perpendicular to the first ones, in which at least one of said burners transverse burners (3) is movably mounted in a horizontal direction along an approach/distance axis with respect to the other of the transverse burners (2), characterized in that At least said side burners (4, 5) are longitudinally subdivided into at least two sections (4a, 4b; 5a, 5b) energetically independent, for the formation of respective independently adjustable hot air flows. (Machine-translation by Google Translate, not legally binding)