Method of using thermally reversible material to form ceramic mo

Details Method of using thermally reversible material to form ceramic mo Method of using thermally reversible material to form ceramic mo

1996-12-11

1999-05-25

Fiorilla, Christopher A.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

Utilizing surface to be reproduced as an impression pattern

264221, B29C 3340

Patent

active

059067810

ABSTRACT:
A method for forming a ceramic mold comprises the step of placing a pattern having critical pattern surfaces in a flask having an open end. The critical pattern surfaces face upward toward the open end. Successive steps include adding a concentrated heat reversible gel solution to the flask to cover the critical pattern surfaces, and cooling the gel solution to form an elastic solid gel mold. The gel mold has critical gel mold surfaces inverse to the critical pattern surfaces. Further steps include removing the pattern from the elastic gel mold, casting a ceramic mold around the gel mold, and liquifying the gel mold to remove it from the ceramic mold. The ceramic mold has critical ceramic surfaces inverse to the critical gel mold surfaces, thereby accurately replicating the critical pattern surfaces.

REFERENCES:
patent: 3605855 (1971-09-01), Nakata
patent: 3751271 (1973-08-01), Kimura et al.
patent: 3823002 (1974-07-01), Kirby, Jr. et al.
patent: 3829295 (1974-08-01), Farmer et al.
patent: 3882220 (1975-05-01), Ryder
patent: 3894575 (1975-07-01), Baum
patent: 3929476 (1975-12-01), Kirby, Jr. et al.
patent: 4146080 (1979-03-01), Baum
patent: 4161207 (1979-07-01), Fluckiger et al.
patent: 4327156 (1982-04-01), Dillon et al.
patent: 4455353 (1984-06-01), Bruce
patent: 4669522 (1987-06-01), Griffin
patent: 5252273 (1993-10-01), Sakai et al.
patent: 5266252 (1993-11-01), Buck et al.
patent: 5333667 (1994-08-01), Louat et al.
patent: 5507336 (1996-04-01), Tobin
"Recommended Foundry Procedure For Shell Investment Casting Using QuickCast Stereolithography Patterns"--QuickCast Foundry Reports--pp. 4-7--Dr. P. F. Jacobs--Apr., 1993.
Metal Parts From Selective Laser Sintering of Metal-Polymer Powders:--Sold Freeform Fabrication Symposium Proceedings--pp. 141-146--Badrinarayan & Barlow--1992.
"Precision Casting of Plastic Tooling by the Unicast Process"--SME Paper #CM70-118--R.J. Fitzgerald No date.
"Metal Parts Generation By Three Dimensional Printing"--Michaels, Sachs, Cima--Conference Proceedings, Fourth International Conference on Rapid Prototyping--1993.
"KELTOOL: Fast Tooling From Rapid Prototype Patterns"--Rapid Prototyping Report, vol. #1--Jun., 1991.
Tool And Manufacting Engineers Handbook, vol. #2--Chapter 16, pp. 52-66--Society of Manufacturing Engineers--1984.
"Options Grow For Fast Mold Tooling"--Machine Design--Horner & Frantz--pp. 54-56--Sep. 12, 1996.
"Rapid Manufacture of Prototype Injection Molds Using the Selective Laser Sintering Process"--Masters Thesis for University of Texas at Austin--James R. Tobin--May, 1994 Chapt 2 only--Rapid Mold Fab Techs.

Affiliated with

Also associated with

Rating

Method of using thermally reversible material to form ceramic mo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of using thermally reversible material to form ceramic mo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of using thermally reversible material to form ceramic mo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-400077