Apparatus for treating blanks of plastic material
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United States of America Patent
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Sep 27, 1988
Grant Date -
N/A
app pub date -
Dec 2, 1987
filing date -
Feb 25, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for treating blanks of plastic material comprising a substantially cylindrical main frame structure, a central, coaxial cam drum which is mounted within same rotatably about its longitudinal axis and which is provided on its outside with working cams, and a plurality of treatment stations arranged in juxtaposed relationship around the periphery of the frame structure, with tools for processing the plastic blanks. The tools in a respective station are carried by vertically movable carriages, each of which is adapted to be moved up and down in the station by a cam follower guided by an associated cam on the cam drum. Each cam follower is carried by a drive carriage. The respectively associated tool carriages and drive carriages are each independently guided on the housing by vertical guide means and are interconnected by way of non-rigid connecting means. The guide means for the carriages are arranged in projection on to a plane perpendicularly to the direction of movement of the respective carriage, between the cam follower and the point at which a reaction force resulting from treatment of a said blank acts on the tool carriage.
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