Patent · US Expired

Method for forming solid objects utilizing viscosity reducible compositions

US5474719A · kind A · utility

131Cited by
15References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 14, 1991
Grant dateDec 12, 1995
Priority date
Expiry dateFeb 14, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/49013
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method and apparatus, where high viscosity liquids, including pseudoplastic, plastic flow, and thixotropic liquids, as well as gels, semi-solid, and solid materials are viscosity reduced during coating and allowed to increase in viscosity during imaging steps, for use in Solid Imaging applications. Use of these materials and the apparatus improves coating uniformity and final object tolerances.

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