| 摘要 |
A plastic-film-heat-sealing device for aligning the edge sections (3) on both sides of a plastic film (1) with one another, and heat-sealing in the lengthwise direction thereof, wherein the edge sections (3) on both sides are definitively heat-sealed, and a worsening of the outward appearance thereof is prevented without reducing the sealing strength thereof. A pair of heaters (5) are positioned in a manner such that one heater is on one side and one heater is on the other side of the two edge sections (3). The heaters (5) each have a heating surface (6). The heating surfaces (6) face one another with an interval interposed therebetween, and preheat the two edge sections (3). In addition, a plurality of air-suction holes (7) are formed in each heating surface (6), the two edge sections (3) are each drawn to and held by the suction holes (7), and the two edge sections (3) each contact one of the heating surfaces (6). |
