Rapid prototyping method of sintering powdery material and fabri

Details Rapid prototyping method of sintering powdery material and fabri Rapid prototyping method of sintering powdery material and fabri

1997-12-22

1999-09-07

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Laser ablative shaping or piercing

264113, 264154, 264219, 264603, 264642, 425 801, 425 811, 425174, 425290, 425412, B29C 4102

Patent

active

059483423

ABSTRACT:
A rapid prototyping method utilizing a powder sintering process and an apparatus for fabricating a product, utilizing the method. The rapid prototyping method includes steps of slicing an image of a product to be fabricated into a number of layers, preparing a mold sheet for each of the slices of the product with a cavity adapted to the profile of the corresponding slice, laying the mold sheet in place on a one-on-the-other basis, feeding the cavity of the mold sheet with a powdery material, pressurizing the material, repeating the preceding steps for each slide to form a multilayer structure for a complete product, and sintering the multilayer structure to produce a finished product. The rapid prototyping method according to the invention provides major advantages over comparable known methods in terms of cost, processing time, and profiling accuracy.

REFERENCES:
patent: 4851061 (1989-07-01), Sorkoram
patent: 5354414 (1994-10-01), Feygin
patent: 5637169 (1997-06-01), Hull et al.
patent: 5653925 (1997-08-01), Batchelder

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