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US 2020/0346406 A1Published application
Receptacle to hold a powder
AssigneeHewlett-Packard Development Company, L.P.
InventorBrent Ewald
Life of this patent
Estimating the term…
Abstract
In one example, a powder holding system includes a receptacle having an interior to contain a column of powder and a meter to measure a shear force exerted on the interior of the receptacle by the column of powder.
Claims15
A powder holding system, comprising:
- a receptacle having an interior to contain a column of powder;
- and
- a meter to measure a shear force exerted on the interior of the receptacle by the column of powder.
A powder holding system, comprising:
- a hopper having a first tube and a funnel at one end of the first tube to funnel material out of the hopper;
- a vertically oriented second tube suspended inside the first tube above the funnel;
- and
- a scale to measure the weight of the second tube independent of the hopper.
1 more element
A powder holding system, comprising:
- a receptacle to hold a column of powder;
- and
- a meter to measure a shear force exerted on an interior of the receptacle by a column of powder in the receptacle, the meter including one or both of:
- a scale to measure a weight of powder in the receptacle without also measuring a weight of the receptacle;
- or
- a panel on the interior of the receptacle, the panel flexible in the direction of a shear force exerted on the interior of the receptacle by the column of powder, and a sensor operatively connected to the panel to sense a shear force on the panel.
3 more elements
Dependencies are inferred from the claim text.