Method for accurate replication of shaped articles using sintera

Details Method for accurate replication of shaped articles using sintera Method for accurate replication of shaped articles using sintera

1998-05-21

1998-12-22

Jenkins, Daniel J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making porous product

419 36, 264434, B22F 310, A61C 1308

Patent

active

058527664

ABSTRACT:
Shaped articles such as dental onlays and inlays having at least one surface adapted to mate with a mating surface of a second shaped article are produced by a procedure which includes immersing a swellable polymer casting mold in a swelling agent system to swell such casting mold to an extent which compensates for the shrinkage which occurs when a sinterable powder compact made therein or in a solid replica thereof, is heated.

REFERENCES:
patent: 5270513 (1993-12-01), Sergent
patent: 5362438 (1994-11-01), van der Zel
patent: 5776382 (1998-07-01), Kim et al.

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