Keyless tooling system
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United States of America Patent
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-
N/A
Issued Date -
May 20, 2004
app pub date -
Nov 10, 2003
filing date -
Apr 20, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A keyless tooling system for the production of continuous seam-welded tubes is disclosed wherein the tube forming rolls are selectively held in fixed position on supporting spindles by an expandable tapered bushing. The bushing may be caused to move to permit contraction in annular dimension facilitating the removal of the associated forming roll during a mill changeover.
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