Three-roll-type reducing mill for electro-resistance-welded tube
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United States of America Patent
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-
Aug 21, 2001
Grant Date -
N/A
app pub date -
Jun 27, 2000
filing date -
Jun 27, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A three-roll-type reducing mill including three forming rolls brought into contact with an outer periphery of an electro-resistance-welded steel tube for reducing its diameter. Two left and right sliding brackets respectively mounted with two follower forming rolls are sidden symmetrically with respect to a center of a main forming roll and simultaneously only by rotation of a single adjusting screw shaft, thereby enabling the diametrical reduction of the steel tube to be adjusted on-line and speedily.
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