Patent ID: 7534386
Filing Date: 2009-05-19
Classification: B29C,B29K,B33Y,C08G,C08K,C08L,D01F,G05B,G16Z

Abstract:
1. A feedstock supply for use in building a three-dimensional model and a support structure using a layered-deposition modeling technique, the feedstock supply comprising: a thermoplastic modeling material for building the three-dimensional model, the thermoplastic modeling material having a glass transition temperature greater than about 220° C., and a melt flow in the range of about 5-30 grams/10 minutes pursuant to ASTM D1238 using a 1.2 kilogram load and a temperature of 420° C.; and a thermoplastic support material for building the support structure, the thermoplastic support material having a glass transition temperature that is within about 20° C. of the glass transition temperature of the thermoplastic modeling material, and a melt flow in the range of about 5-30 grams/10 minutes pursuant to ASTM D1238 using a 1.2 kilogram load and a temperature of 420° C., wherein the thermoplastic support material comprises: wherein at least one of the thermoplastic modeling material and the thermoplastic support material is provided in a filament form.