| 摘要 |
<p>Modifications to packaging machines with retraction oven. Consisting in a rectangular parallelepipedal structure, two chambers separated from each other by means of a transverse partition, one of them being used for containing electrical elements and control elements 20, whilst the second chamber is in turn divided by a longitudinal partition into two sub-chambers of which the rear one is used to contain, in the upper region, heating means such as electrical resistance elements 2, and, in the lower region, air-aspiration and lateral expulsion means, such as turbines (fans) 1, with the aim of there always being a heat reserve in the upper chamber and achieving, by means of the action of the means in the lower chamber, the absorption of this heat and its expulsion towards the front sub-chamber. It is used for packaging articles.</p> |
