Patent · US Expired

Three-dimensional structured printing

US7455804B2 · kind B2 · utility

102Cited by
7References
64Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 12, 2002
Grant dateNov 25, 2008
Priority date
Expiry dateApr 12, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29K2105/162
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A process for forming a three-dimensional article in sequential layers in accordance with a digital model of the article. The process comprises the steps of defining a layer of powder material, applying a liquid reagent to the powder layer in a pattern corresponding to the digital model, and repeating these steps to form successive layers. The powder comprises a first reactive component and the liquid includes a second active component capable of reacting with the first reactive component so that the article is built up in layers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.