The present disclosure discloses a hydraulic machine including a support assembly and a main cylinder device connected with the support assembly. The main cylinder device includes at least two main cylinder assemblies and at least two piston rods respectively. The at least two piston rods are opposite to each other and move along opposite directions and on the same straight line. A support worktable device is disposed on the support assembly and spaced with the main cylinder device. At least two pressing mechanisms are formed between the support worktable device and the at least two main cylinder assemblies or between the support worktable device and the at least two piston rods. The at least two pressing mechanisms are configured for pressing work pieces simultaneously.

The disclosed forming apparatus includes a frame. The frame defines a vertical axis, a horizontal axis, and a longitudinal axis. A carriage is movably connected to the frame. A first stomp foot is movably connected to the carriage such that it may move along the vertical axis. A first end effector is movably connected to the carriage. The first end effector is controlled by an actuator. The disclosed method for forming a composite part includes applying at least one ply of composite material over a forming surface of a forming tool and deforming the at least one ply of composite material over the forming surface of the forming tool with a forming apparatus.

Embodiments disclosed herein relate to cell assemblies for fabricating superhard materials (e.g., used in a high-pressure cubic press) and methods of using the same. The disclosed cell assemblies include a plurality of internal anvils, at least some of which are positioned internally relative to a cell pressure medium of the cell assembly. Such a configuration for the cell assemblies may enable one or more of intensifying cell pressure, reducing processing time, or reducing costs for fabricating such superhard materials.

Embodiments disclosed herein relate to cell assemblies for fabricating superhard materials (e.g., used in a high-pressure cubic press) and methods of using the same. The disclosed cell assemblies include a plurality of internal anvils, at least some of which are positioned internally relative to a cell pressure medium of the cell assembly. Such a configuration for the cell assemblies may enable one or more of intensifying cell pressure, reducing processing time, or reducing costs for fabricating such superhard materials.

A device for crimping a radially expandable and collapsible prosthetic valve comprises a crimping loop having a first end portion, a second end portion, and a loop portion extending between the first and second end portions and defining an opening configured to receive the prosthetic valve. The crimping loop is movable between a first state in which the opening has a first diameter and a second state in which the opening has a second diameter smaller than the first diameter such that when the prosthetic valve is positioned within the loop portion, movement of the crimping loop from the first state to the second state is effective to reduce a diameter of the prosthetic valve. A method for crimping a prosthetic valve comprises reducing a diameter of an opening of a crimping loop, thereby radially compressing an at least partially expanded prosthetic valve disposed within the opening.

A crimping device includes a housing defining a bore and at least three extendable mechanisms angularly equispaced about the axis of the bore. Each of the extendable mechanisms include: (i) a first elongate arm hingedly connected at or near a first axial end of the first arm to the housing; (ii) a second elongate arm hingedly connected at or near a first axial end of the second arm to the housing, wherein: the first axial ends of the first and second arms are displaceable relative to each other; and the first and second arms are hingedly connected at or near their second axial ends to each other. The crimping device further includes means for equi-displacing the first axial ends of coupled first and second arms relative to each other, thereby to configure the crimping device between: (i) a dilated condition in which the second axial ends of the first and second arms are maximally spaced from the bore axis; and (ii) a contracted condition in which the second axial ends of the first and second arms are minimally spaced from the bore axis.

The present disclosure is for a briquetting machine and method thereof to process loose metal scraps. The method comprises the steps of advancing a pre-extruding punch in a first pathway to push loose metal scraps towards a first entrance leading into a re-extruding cavity; advancing a re-extruding punch in a second pathway perpendicular to the first pathway to further push the loose metal scraps towards a second entrance leading to a final pressing cavity; advancing a final-extruding punch along a third pathway perpendicular to both the pre and re-extruding punches to compress loose metal scraps to form a metal cake in the final extruding cavity. Pressure and overflow release areas are configured adjacent to each entrance. Advancing and retracting sequences of the pre-, re-, and final-extruding punches are monitored and controlled via sensors and switches.

The present disclosure is for a briquetting machine and method thereof to process loose metal scraps. The method comprises the steps of advancing a pre-extruding punch in a first pathway to push loose metal scraps towards a first entrance leading into a re-extruding cavity; advancing a re-extruding punch in a second pathway perpendicular to the first pathway to further push the loose metal scraps towards a second entrance leading to a final pressing cavity; advancing a final-extruding punch along a third pathway perpendicular to both the pre and re-extruding punches to compress loose metal scraps to form a metal cake in the final extruding cavity. Pressure and overflow release areas are configured adjacent to each entrance. Advancing and retracting sequences of the pre-, re-, and final-extruding punches are monitored and controlled via sensors and switches.

A device for crimping a radially expandable and collapsible prosthetic valve comprises a coiled wire frame having a longitudinal opening extending from a proximal end to a distal end thereof. The opening has a first state and a second state, the opening in the first state having a first diameter dimensioned to receive the prosthetic valve in an expanded or partially crimped configuration therein, and the opening in the second state having a second diameter dimensioned to receive the prosthetic valve in a crimped configuration. The coiled wire frame has a first end coupled to a first member and a second end coupled to a second member. The first member is movable relative to the second member to convert the coiled wire frame from the first state to the second state.

An automatic cleaner for a pressing device has a pressing unit that can reciprocate between a pressing position and an apart position. The automatic cleaner includes a separating structure configured to separate a workpiece from the pressing unit; a cleaning member; and a drive mechanism configured to move the separating structure and the cleaning member back and forth, in accordance with movement of the pressing unit. The drive mechanism is configured to make the separating structure drop the workpiece, after being worked, from the pressing unit, and to make the cleaning member clean the pressing unit, in accordance with the movement of the pressing unit.