DEVICE FOR PRODUCING THREE-DIMENSIONAL MODELS
First Claim
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1. A device for manufacture of models comprising:
- a particulate material that is deposited in layers on a build platform by means of a spreader device and then selectively printed with a second material likewise deposited in layers and these two application steps are repeated until a desired model is achieved,wherein the spreader device transports incurring overflow quantities of the particulate material in a direction perpendicular to a spreading direction into at least one container, in which the particulate material is moved with the spreader device.
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Abstract
The present invention relates to a device for man facture of three-dimensional models by means of a 3D printing process, whereby a spreader device is used to deposit particulate material in layers on a build platform and the particulate material flow, which occurs perpendicular to the spreading direction, is transferred into containers that are actively cleaned by sliders or brushes at the spreader device. It exploits the fact that particulate material that is moves dynamically can only bridge small height differences. The arrangement can be implemented in a space-saving manner beneath the spreading plane.
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Citations
14 Claims
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1. A device for manufacture of models comprising:
- a particulate material that is deposited in layers on a build platform by means of a spreader device and then selectively printed with a second material likewise deposited in layers and these two application steps are repeated until a desired model is achieved,
wherein the spreader device transports incurring overflow quantities of the particulate material in a direction perpendicular to a spreading direction into at least one container, in which the particulate material is moved with the spreader device. - View Dependent Claims (2, 4, 6, 7, 8, 9, 10)
- a particulate material that is deposited in layers on a build platform by means of a spreader device and then selectively printed with a second material likewise deposited in layers and these two application steps are repeated until a desired model is achieved,
- 3. A device according to wherein the container is entirely located beneath a spreading plane of the particulate material.
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11. A device for manufacture of models comprising:
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a) a build platform; b) a spreader device for depositing a particulate material in layers on the build platform; c) a printer for selectively printing a second material layers on the build platform; d) at least one container for receiving overflow quantities of the particulate material; and e) sliders mounted proximate to the spreader device so that the sliders move the particulate material with the spreader device; wherein the spreader device transports the overflow quantities of the particulate material in a direction perpendicular to a spreading direction into the at least one container and wherein the at least one container is located along a side of the build platform. - View Dependent Claims (12, 13, 14)
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Specification