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

2000-05-16

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Dental shaping type

264 17, 264 19, 264651, 264 86, 264219, 264222, 264226, 264227, 419 38, 419 39, 419 40, 419 66, A61C 1300, C04B 3328

Patent

active

06063314&

ABSTRACT:
Shaped article replicas which are proportionately accurate replicas of a shaped article and which are equal, greater or smaller in size than said shaped article are made by preparing a swellable polymer replica of said shaped article; immersing said swellable polymer replica in a swelling agent system under conditions which will enlarge said polymer replica to a predetermined extent; forming a casting mold of such enlarged polymer replica; making a powder compact in said casting mold and heating said powder compact to produced a proportionately accurate solid replica of a predetermined size.

REFERENCES:
patent: 5852248 (1999-12-01), Chadwick
patent: 5852766 (1999-12-01), Chadwick et al.

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