Machine for straightening and stress-relieving steel rails
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United States of America Patent
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-
Feb 23, 1988
Grant Date -
N/A
app pub date -
Mar 4, 1986
filing date -
Mar 11, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydraulic stretching machine for straightening and stress-relieving rails, the machine being defined by stretching grips and fixing shackles being displaceable individually and independently, laterally and vertically, with respect to the longitudinal axis of the stretching machine, and grip-holding jaws which can be oriented about a longitudinal axis, the jaws including a fixed jaw and a mobile jaw articulated in and upon the fixed jaw.
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