Methods and apparatus for additive manufacturing of glass

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United States of America Patent

PATENT NO 9896368
SERIAL NO

15365577

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Abstract

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In illustrative implementations of this invention, a crucible kiln heats glass such that the glass becomes or remains molten. A nozzle extrudes the molten glass while one or more actuators actuate movements of the nozzle, a build platform or both. A computer controls these movements such that the extruded molten glass is selectively deposited to form a 3D glass object. The selective deposition of molten glass occurs inside an annealing kiln. The annealing kiln anneals the glass after it is extruded. In some cases, the actuators actuate the crucible kiln and nozzle to move in horizontal x, y directions and actuate the build platform to move in a z-direction. In some cases, fluid flows through a cavity or tubes adjacent to the nozzle tip, in order to cool the nozzle tip and thereby reduce the amount of glass that sticks to the nozzle tip.

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Patent Owner(s)

  • MASSACHUSETTS INSTITUTE OF TECHNOLOGY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dave, Shreya Cambridge, US 3 41
Franchin, Giorgia Padova PD, IT 6 42
Houk, Peter Medford, US 6 57
Inamura, Chikara Somerville, US 5 55
Kayser, Markus Cambridge, US 7 91
Klein, John Boston, US 99 3307
Oxman, Neri Cambridge, US 22 664
Stern, Michael Cambridge, US 14 187

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