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US 12,528,119 B2Granted
Pressing device
AssigneeDorst Technologies GmbH & Co. KG
InventorWalter Rau
Life of this patent
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Abstract
A powder pressing device, such as a metal powder or ceramic powder pressing device includes at least one die and at least one punch. In a pressing position, the punch is arranged to be immersible from a first side of the die into a cavity filled with powder. The powder pressing device further includes at least one powder sealing device, which can have at least two parts. The powder sealing device can be arranged in sections, which can be arranged completely around the cavity.
Claims19
A powder pressing device, comprising:
- at least one die;
- at least one first punch, which in a pressing position is arranged to be dippable from a first side into a cavity of the die filled with a powder;
- and
- at least one powder sealing device which is arranged at least in sections around the cavity and has at least a first part and a second part that are moveable relative to each other,
- wherein the first part and the second part are configured to be movable transversely to a direction of movement of the first punch such that the first part and the second part slide over the die and move towards the first punch in a sealing position, and move away from the first punch in a non-sealing position, wherein the first and second parts of the sealing device are displaceable, in such a way that they are slid along a surface of the die adjacent to the cavity during the movement of the first punch.
2 more elements
Dependencies are inferred from the claim text.