| 摘要 |
<p>The invention relates to a method and facility for packaging products (10), said facility comprising a linear transporter (20) that includes a set of endless conveyor belts (20a) associated with a belt having synchronizing cleats (20b), with a linear pusher (20c) actuated by a parallelogram mechanism (20d) imparting rectilinear motion thereto, as well as with a counter-pusher (20e) which is provided for gripping the product and the sheet of packaging material, and which is driven by a cam or the like. The products are placed in one of the receiving jaws (21a) of a first revolver (21) so as to enter a first heat-sealing station (30) which is designed to seal the fold along the longitudinal edge of the product (10). At the outlet of a folding box, the products are transferred into the recesses (23a) of a second revolver (23) which rotates in the direction opposite the direction of rotation of the first revolver (21). The products are consecutively conveyed into three identical stations (40, 41 and 42) for heat-sealing the end folds, wherein all of the stations consecutively receive the same products. The reason for said plurality of stations is due to the fact that the end folds have more than two sheets of packaging material, and the greater the number of pieces of material, the longer the heat-sealing step takes.</p> |
