Method and apparatus for necking and flanging containers
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United States of America Patent
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Sep 15, 1987
Issued Date -
N/A
app pub date -
Apr 22, 1985
filing date -
Dec 27, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A modular system for producing triple-necked open ended containers includes three substantially identical necking modules each having the same frame and identical rotatable turrets which have a plurality of identical necking stations around the periphery. Each necking station includes an annular necking die and a platform and punch which are cam-operated to move towards and away from each other and are maintained in engagement with the cams by pressurized fluid. Each necking station also has a container pressurizing means in the form of an annular chamber which acts as a holding chamber prior to transmitting the pressurized fluid into the container.
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