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US 12,691,606 B2Granted
Pressing device
AssigneeAlphasystem Corporation
InventorDaizo Masuda
Life of this patent
Estimating the term…
Abstract
A pressing device configured to press a workpiece includes a first die, a second die that moves relative to the first die, and a piston that moves the second die. The piston includes an annular pressing surface that pushes the second die.
Claims9
A pressing device configured to press a workpiece, the pressing device comprising:
- a first die;
- a second die that moves relative to the first die;
- a piston including a tubular body, the piston being configured to move the second die;
- and
- a first additional piston including a tubular body or a solid body, the first additional piston being configured to cooperate with the piston to move the second die,
- wherein the piston includes a first axis and a circular tubular piston rod, the circular tubular piston rod including an annular pressing surface that pushes the second die,
- an inner surface of the circular tubular piston rod defines a first through hole extending in the first axis,
- the first additional piston includes a second axis that coincides with the first axis and a first additional pressing surface that is in contact with and pushes the second die, and
- the first additional piston is arranged in the first through hole.
6 more elements
Dependencies are inferred from the claim text.