Process and apparatus for forming flanged ends on tubular workpieces
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United States of America Patent
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Oct 11, 1988
Grant Date -
N/A
app pub date -
Jul 14, 1987
filing date -
Jul 14, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for forming a flanged end on a tubular workpiece comprising a die having a throat therethrough connected at one end to an abutment surface of the die extending transversely on each side of the throat, a main frame connected to the die, a sub-frame mounted reciprocably on the frame longitudinally relative to the die, a pair of cheek pieces connected on the sub-frame and movable apart, and a wedge member mounted reciprocably on the sub-frame between the cheek pieces. The sub-frame is driven longitudinally relative to the main frame and the wedge member is driven longitudinally between the cheek pieces, whereby the cheek pieces can be separated by extending the wedge member longitudinally relative to the cheek pieces. The separated cheek pieces are then driven longitudinally towards the abutment surface.
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