发明授权
US4518336A Apparatus for forming plastic material gaskets in stoppers comprising a cup, such as screw-on and crown caps 失效
用于在包括杯的塞子中形成塑料材料垫圈的装置,例如螺旋和冠盖

Apparatus for forming plastic material gaskets in stoppers comprising a
cup, such as screw-on and crown caps
摘要:
The apparatus comprises a carousel carrying a plurality of peripherally distributed cups and slidable supports, respectively aligned with the axes of the cups, pick-up and metering assembly forming a spoon member facing in the direction of rotation of the carousel and adapted to be selectively placed in communication with suction and blowing means. The apparatus further includes an extruder nozzle for the plastic material which is stationary relatively to the carousel and opens at the pick-up and metering assembly so as to allow withdrawal of a metered amount of plastic material by said spoon.
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