Work reducing
AssigneeAsko, Inc.
InventorsJohn Charles Purcupile, Martin J. Dempsey, Selwyn Raymond Rackoff
Life of this patent
Estimating the term…
Abstract
A roll assembly for reducing rod and the like in which the rolls are secured against rotation on their arbor by force applied to the sides of the rolls in the direction of the axis of the arbor. The force is applied by an hydraulic nut or annulus having a cavity which is sealed pressure tight by a deformable membrane. An annular shoe is interposed between the membrane and the rolls. The cavity is supplied with fluid under pressure and is deflected exerting force on the shoe which is transmitted to the roll.
Claims10
Roll apparatus for reducing work including an arbor, at least one roll mounted on said arbor for rotation therewith, an annulus, having an annular cavity therein, mounted on said arbor coaxial with said roll for rotation with said arbor, a deformable membrane, of a material capable of withstanding high pressure, sealed pressure tight to said annulus about said cavity, forming a closure for said cavity by a weld, and connected to said roll to transmit lateral force to said roll on the deformation of said membrane on the application of pressure thereto, and means, connected to said cavity, for injecting hydraulic fluid under pressure therein to deflect said membrane, whereby rotation of said roll relative to said arbor is suppressed.
Roll apparatus for reducing work including an arbor, at least one roll on said arbor, hydraulic means mounted on said arbor and connected to said roll for securing said roll against rotation relative to said arbor, the said hydraulic means including:
- a. An annulus coaxial with said roll having a cavity;
- b. a deformable membrane, of a material capable of withstanding high pressure, coaxial with said roll closing said cavity and welded to said cavity forming a pressure tight seal about said cavity with said annulus;
- and
- c. a shoe coaxial with said cavity, interposed between said membrane and said roll, in lateral engagement with said membrane on one side and said roll on the opposite side, and means for supplying hydraulic fluid under pressure to said cavity to produce a force on said membrane to deform said membrane whereby said shoe transmits said force from said deformed membrane to said roll.
Roll apparatus for reducing work including an arbor, at least one roll mounted on said arbor for rotation therewith, an annulus having a cavity therein, mounted on said arbor coaxial with said roll for rotation with said arbor, an axially deformable membrane, of a material capable of withstanding high pressure, coaxial with said roll sealed pressure tight to said annulus about said cavity by a weld and forming a closure for said cavity so that, on the existance of pressure within said cavity, said membrane reacts to the pressure by deforming axially, said annulus being mounted on said cavity with said membrane in axial pressure-transmitting relationship with said roll, means, connected to said cavity, for injecting a medium therein for applying pressure to deform said membrane, and abutment means, on said mandrel rotatable therewith in axial pressure-receiving relationship with said roll, whereby on the deformation of said membrane, said roll is compressed axially by the pressure applied by said deformed membrane between said membrane and said abutment means and rotation of said roll relative to said mandrel while reducing said work is prevented.
Dependencies are inferred from the claim text.