Powder metallurgy processes – Forming articles by uniting randomly associated metal particles – Powder pretreatment
Patent
1999-10-06
2000-12-05
Jenkins, Daniel J.
Powder metallurgy processes
Forming articles by uniting randomly associated metal particles
Powder pretreatment
419 65, 419 66, B22F 102
Patent
active
061562645
ABSTRACT:
Disclosed is a process for producing an AC cylindrical electromagnetic ignition coil core (28) comprising:
filling a cylindrical holding container (20) with powdered metal;
placing the filled container into an electromagnetic field and compacting, in the radial direction, the powder in the container by subjecting the powder to the electromagnetic field; and
recovering the compacted ignition coil core (28).
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patent: 5002727 (1991-03-01), Okimoto et al.
patent: 5211896 (1993-05-01), Ward et al.
patent: 5250255 (1993-10-01), Sagawa et al.
patent: 5405574 (1995-04-01), Chelluri et al.
patent: 5472661 (1995-12-01), Gay
patent: 5629092 (1997-05-01), Gay et al.
Gay David Earl
Johnston Ralph Herbert
Score David Allen
Skinner Albert Anthony
Delphi Technologies Inc.
Dobrowitsky Margaret A.
Jenkins Daniel J.
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