ROLLING MILL LAYING HEAD
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United States of America Patent
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Issued Date -
Dec 25, 2014
app pub date -
Jun 20, 2013
filing date -
Jun 20, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Aspects of the present invention relate to a rolling mill laying head. The rolling mill laying head comprises a quill rotatable about a central axis, said quill being equipped with a guide pathway configured and arranged to form a longitudinally moving product into a continuous series of rings; a stationary support structure; and axially spaced radial bearings supporting said quill for rotation about said axis, one of said bearings comprising a hydrostatic oil film bearing having an internal diameter of at least about 500 mm, and having a L/D ratio less than 0.25.
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