| 摘要 |
<p>The invention relates to a device (1) for degassing melts (6), especially plastic melts, comprising a melt nozzle (1) which has an inlet connection (11) for connecting to a melt supply, a melt outlet opening and a degassing chamber (20) which is defined by essentially vacuum-tight walls, which is linked to a vacuum source and which opens into a discharge opening for an essentially vacuum-tight connection to a melt processing system, the melt outlet opening of the nozzle extending into the degassing chamber. According to the invention, the melt outlet opening (13a) of the nozzle (1) is configured as a slit whose length is a multiple of its width. This inventive measure enables the melt to be degassed adequately with only a slight vacuum since the gas bubbles only need to be drawn to the surface of the melt from a very low melt depth.</p> |
