Method of large sphere production at zero gravity

Details Method of large sphere production at zero gravity Method of large sphere production at zero gravity

1994-06-20

1996-04-16

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

264 455, 264 51, 264154, 264321, B29C 4406

Patent

active

055079822

ABSTRACT:
A method of creating large hollow spheres and other shapes and structures produced according to such method, such method including suspending in a zero gravity environment a molten material mixed with a blowing agent which is caused to foam, expanding into a mass wherein the exterior sphere wall is solidified and the interior is hollowed out.

REFERENCES:
patent: 3640081 (1972-02-01), Hadden
patent: 3975194 (1976-08-01), Farnand et al.
patent: 4279632 (1981-07-01), Frosch et al.
patent: 4400191 (1983-08-01), Youngberg et al.
patent: 4565571 (1986-01-01), Abbaschian
patent: 5073317 (1991-12-01), Brotz
patent: 5284606 (1994-02-01), Brotz
patent: 5322652 (1994-06-01), Brotz

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