Apparatus for producing hollow bodies of thermoplastic material
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United States of America Patent
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-
Oct 4, 1988
Grant Date -
N/A
app pub date -
Nov 5, 1987
filing date -
Feb 25, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an apparatus for producing hollow bodies from thermoplastic material in large numbers a plurality of stations in which the blanks are successively subjected to various treatment steps are arranged at horizontal spacings around the peripheral surface of a vertical, substantially cylindrical housing of an operating unit of the apparatus. The blanks to be treated are passed downwardly through the operating unit and a first one of the treatment stations therein to the next station therein. Arranged within the operating unit is a cam drum which rotates about a vertical axis and which has cams adapted to actuate tools for treating the blanks in at least some of the treatment stations. Two or more such operating units may be connected in succession for carrying out successive treatment operations on the blanks.
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