Method of manufacturing a three-dimensional plastic article

Details Method of manufacturing a three-dimensional plastic article Method of manufacturing a three-dimensional plastic article

1991-04-26

1992-12-22

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

1562728, 1562735, 1562755, 156298, 1563031, 1563071, 264 25, 264257, 26427217, 264308, 427 96, 427195, 4273935, 4274071, 427510, 427512, 427581, B29C 3508, B29C 4120

Patent

active

051732203

ABSTRACT:
A method for producing a three dimensional plastic article having an insert. The three dimensional plastic article (20) is formed by exposing a liquid photopolymer or other material (14) capable of selective solidification or curing to a source of energy (10), preferably a laser beam (30). A portion of the three dimensional plastic article is formed by selectively exposing portions of the surface (12) of the liquid photopolymer to the laser beam. The insert (26) is placed onto the partially formed article (20), and the remainder of the article is formed by selectively exposing additional portions of the surface (16) of the liquid polymer to the laser beam, creating successive layers, whereupon a plurality of the layers form the three dimensional article (20). The insert (26) becomes an integral part of the completed three-dimensional article.

REFERENCES:
patent: 4358331 (1982-11-01), Schmidt et al.
patent: 4752498 (1988-06-01), Fudim
patent: 4822536 (1989-04-01), Voinis et al.
patent: 4863538 (1989-09-01), Deckard
patent: 4929402 (1990-05-01), Hull
patent: 4943928 (1990-07-01), Campbell et al.
patent: 4996010 (1991-02-01), Modrek et al.
patent: 4999143 (1991-03-01), Hull et al.

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