Utilization of blow molding tooling manufactured by sterolithogr

Details Utilization of blow molding tooling manufactured by sterolithogr Utilization of blow molding tooling manufactured by sterolithogr

1994-10-14

1995-10-17

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Stereolithographic shaping from liquid precursor

264 401, 264225, 264308, 264523, 364476, B29C 3338, B29C 3508, B29C 4102, B29C 4900

Patent

active

054588251

ABSTRACT:
A method for producing a prototype of an article includes generating a data file utilizing a computer aided design apparatus to provide data representing all of the geometry and contours for the inner cavity of the mold required to mold the article, using the data file to create the mold as a physical object directly from photosensitive resin utilizing a stereolithographic apparatus whereby the mold which is created utilizing the stereolithographic apparatus has a mold cavity having the geometry and contours required to blow mold the prototype of the article, positioning the mold in the blow molding apparatus, introducing a preform into the mold; and expanding the preform against the surface of the inner cavity of the mold to produce the prototype of the article.

REFERENCES:
patent: 4575330 (1986-03-01), Hull
patent: 4641270 (1987-02-01), Lalloz et al.
Michael Burdick, "Thermo-Vacuum Formed Parts Using A Stereolithography Hold", Proceedings of the Fourth International Conference on Rapid Prototyping, Jun. 14-17, 1993, pp. 75-83.
Stan W. Thomas, "Optimizing Composite Part Design And Manufacture Using Stereolithography Tooling"; Proceedings of the Third International Conference in Rapid Prototyping; 1992 pp. 267-279.
Paul Jacobs; "Stereolithography: From Art to Part" reprinted from Cutting Tool Engineering, vol. 45 No. 3 Apr. 1993.

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