Metal deforming – With means to drive tool – Including pneumatic- or fluid-actuated tool support
Reexamination Certificate
2009-01-17
2010-06-01
Ross, Dana (Department: 3725)
Metal deforming
With means to drive tool
Including pneumatic- or fluid-actuated tool support
C072S245000
Reexamination Certificate
active
07726168
ABSTRACT:
An adjusting cylinder for long, rapid lifting movements in rolling stands, includes vertical edging stands, wherein each cylinder has at least one piston, which acts through the bearing chocks of at least one work roll or of an interposed roll to adjust a work roll on both sides, wherein each adjusting cylinder has a piston that is equipped with two oppositely directed piston rods, and each piston is inserted in a recess in the cylinder base or cylinder cover, such that the base and cover have coaxially arranged bores through which the piston rods pass. The surface formed by one piston and the piston rod is smaller than the surface formed by another piston and the piston rod.
REFERENCES:
patent: 5142892 (1992-09-01), Noe et al.
Lindner Florian
Wendt Stefan
Jennings Stephanie
Kueffner Friedrich
Ross Dana
SMS Siemag Aktiengesellschaft
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