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US 2020/0346404 A1Published application
Build material spreaders
AssigneeHewlett-Packard Development Company, L.P.
InventorsBrent EWALD, Arthur H. BARNES, Michael CROCKETT
Life of this patent
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Abstract
An apparatus may, in an example, include a build platform to receive a dose of build material and a build material spreader to spread the dose of build material over a length of the build platform wherein lateral portions of the build material spreader have a diameter smaller than a medial portion of the build material spreader.
Claims15
An apparatus, comprising:
- a build material spreader to spread the dose of build material over a length of the build platform;
- wherein lateral portions of the build material spreader have a diameter smaller than a medial portion of the build material spreader.
An additive manufacturing system, comprising:
- a build material dispensing system, the build material dispensing system comprising:
- a build material spreader;
- and
- a controller to cause the spreader to move over a build platform to form a layer of build material thereon;
- wherein the build material spreader comprises lateral portions having a smaller diameter than at a medial portion of the build material spreader,
2 more elements
A build material spreader system, comprising:
- a roller comprising lateral portions having a diameter smaller than a medial portion of the roller;
- wherein the entire length of the roller is to spread an amount of build material over a build platform.
Dependencies are inferred from the claim text.