Method and apparatus for filling powder

Details Method and apparatus for filling powder Method and apparatus for filling powder

1997-03-28

1999-03-09

Jenkins, Daniel J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Consolidation of powder prior to sintering

264 56, 29DIG31, 425 78, B22F 312

Patent

active

058813578

ABSTRACT:
A method and apparatus for filling a cavity with powder wherein a pipe having holes for discharging gas is disposed in a powder box and gas is discharged into the powder in the powder box as the powder enters the cavity so that particles of the powder are movable relative to each other. Due to the gas discharge, the powder can enter the cavity smoothly without whirling up in the cavity and settling unevenly, so that a filling time period is shortened and a particle size distribution in the cavity is uniform.

REFERENCES:
patent: 5250255 (1993-10-01), Sagawa et al.
patent: 5397530 (1995-03-01), Narasimhan et al.
patent: 5514327 (1996-05-01), Schneider

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