Method for producing a hollow body provided with a stand ring by blow moulding
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United States of America Patent
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-
Sep 6, 1988
Grant Date -
N/A
app pub date -
Dec 3, 1986
filing date -
Dec 5, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a blow mould firstly a convexly formed bottom is blown. An intermediate region lying between an axially displaceable bottom mould and the blow mould bears on mould portions which on introduction of the bottom mould are pivoted back for turning back the bottom region to form a stand ring and release the path for the bottom mould which is finally positioned on the blow mould so that a closed mould cavity is formed on which the transformed bottom region can be reliably applied by blow pressure.
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