| 摘要 |
A hollow body blowing system, which consists of a machine frame with a tube extrusion device, beneath the die of which there is at least one closing unit with a first and second vertical closing plate, can also be used alternatively to produce oblong hollow bodies which require a horizontal mold parting if in the upper region of the first vertical closing plate an upper horizontal closing plate can be fastened in a cantilevered manner, which plate carries an upper mold half on the lower side, and in the lower region of the second vertical closing plate a horizontal supporting plate can be fastened in a cantilevered manner, against which rests at least one hydraulic cylinder, by means of which a lower horizontal closing plate is vertically displaceable and on which sits on the upper side a lower mold half. The closing unit is configured in such a way that when the vertical closing plates are moved toward each other the upper horizontal closing plate and the lower horizontal supporting plate come into an interlocking engagement with their edges with the respectively opposite vertical closing plate.
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