Coating apparatus – Program – cyclic – or time control
Patent
1998-05-28
2000-09-05
Sells, James
Coating apparatus
Program, cyclic, or time control
118313, 156167, 156180, 15624411, 156500, B05C 1100
Patent
active
061136964
ABSTRACT:
An improved system for forming a three-dimensional object by filament deposition of forming materials includes a crucible for holding a reservoir of the filament forming material, an orifice disposed in the bottom of the crucible through which the forming material passes to form a flow of material filaments, and a flow control apparatus for controlling and selectively depositing the flow of material filaments on the substrate exclusively where required to form the three-dimensional object. In a preferred embodiment, the forming material is ejected from the crucible as a variable-diameter circular liquid jet, which cools to form variable-diameter filaments of semi-molten forming materials.
REFERENCES:
patent: 3046178 (1962-07-01), Tupper
patent: 4247508 (1981-01-01), Householder
J.J. Beaman, J.W. Barlow, D.L. Bourell, R.H. Crawford, H.L. Marcus and K.P. McAlea, "Solid Freeform Fabrication: A New Direction in Manufacturing," ch. 2(Kluwer Academic, Norwell, MA, 1997).
P.F. Jacobs, Rapid Prototyping & Manufacturing Fundamentals of Stereolithography, pp. 406-409 (Society of Manufacturing Engineering, Dearborn, MI, 1992).
Arizona State University
Sells James
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