Three dimensional printing material system and method
First Claim
Patent Images
1. A product of a reaction of a mixture comprising:
- a particulate material including plaster;
an at least partially water-soluble adhesive aqueous fluid;
an adhesive; and
an accelerator;
said plaster reacted with at least a portion of said aqueous fluid to form an essentially solid prototype article including hydrated plaster;
said article including a plurality of essentially evenly distributed layers of said reaction product.
2 Assignments
0 Petitions
Accused Products
Abstract
The present invention is directed to a 3DP™ material system ad method, and an article made therefrom. The method of the present invention includes building cross-sectional portions of a three-dimensional article, and assembling the individual cross-sectional areas in a layer-wise fashion to form a final article. The individual cross-sectional areas are built by using an ink-jet printhead to deliver an aqueous fluid to a particulate material that includes plaster.
118 Citations
30 Claims
-
1. A product of a reaction of a mixture comprising:
-
a particulate material including plaster;
an at least partially water-soluble adhesive aqueous fluid;
an adhesive; and
an accelerator;
said plaster reacted with at least a portion of said aqueous fluid to form an essentially solid prototype article including hydrated plaster;
said article including a plurality of essentially evenly distributed layers of said reaction product. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30)
-
-
17. A method for forming a prototype article, comprising:
-
providing a first layer of a particulate material including plaster;
dispensing an aqueous fluid onto a first portion of said first layer, leaving a second portion of said first layer free of said aqueous fluid, said first layer further comprising an at least partially water-soluble adhesive and an accelerator;
allowing said first portion of said plaster and at least a portion of said aqueous fluid to react to form an at least partially solid first portion of said first layer;
providing a second layer of said particulate material on said first layer;
dispensing said aqueous fluid onto a first portion of said second layer, leaving a second portion of said second layer free of said aqueous fluid, said second layer further comprising an at least partially water-soluble adhesive and an accelerator; and
allowing the plaster contained in said first portion of said second layer and at least a portion of said aqueous fluid to react to form at least a portion of an essentially solid prototype article including the at least partially solid first portion of said first layer.
-
-
26. A method for forming a prototype article, comprising:
-
applying, to a first portion of a first layer of particles including plaster and an accelerator, an aqueous fluid in an amount sufficient to react the particles with the aqueous fluid with the aid of an at least partially water-soluble adhesive such that at least a portion of said first portion of said first layer of particles crystallize to form an essentially solid, singular article;
forming a second layer of the particles on the first layer; and
applying, to a first portion of said second layer of particles, said aqueous fluid in an amount sufficient to react said particles with said aqueous fluid with the aid of an at least partially water-soluble adhesive such that said particles within said first portion of said second layer crystallize to form at least a portion of an essentially solid, singular prototype article from said first portion of said first layer and said first portion of said second layer.
-
Specification