| 摘要 |
An apparatus of the "slide mixing head" type has a housing which encloses a mixing chamber provided with an outlet opening, vertical lift slides having injection openings for charging the mixing chambers, and a means for moving the lift slides comprising a yoke provided with an adjustable drive, a gate disposed between the lift slides and divided into an extension of the yoke and a housing partition, the injection opening of the vertical lift slides being covered by the housing partition and the opposite end faces of the housing partition and the yoke extension lying on top of one another in a rest position, while in a working position the mixing chamber is formed corresponding to the stroke height of the yoke between the opposite end faces of the housing partition and yoke extension, the outer surfaces of the vertical lift slides and a housing wall section.
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