Sphere production process at zero gravity

Details Sphere production process at zero gravity Sphere production process at zero gravity

1991-09-30

1994-02-08

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

264 403, 264154, 2642711, 264574, B29D 2200, C01B 3100

Patent

active

052846067

ABSTRACT:
Methods to create hollow spheres and spheres produced according to such methods, such methods including suspending in a chamber at zero gravity a gas-generating pellet in a resin material which gas-generating pellet is caused to produce gas expanding the resin into a spherical mass; methods of coating sphere-forming material on a spherical liquid mass, hardening the coating and removing the liquid mass leaving the thus formed hollow sphere and methods of blowing bubbles of resin to form spheres.

REFERENCES:
patent: 3786134 (1974-01-01), Amagi et al.
patent: 4017290 (1977-04-01), Budrick et al.
patent: 4279632 (1981-07-01), Frosch et al.
patent: 4303431 (1981-12-01), Torobin
patent: 4303432 (1981-12-01), Torobin
patent: 4303433 (1981-12-01), Torobin
patent: 4344787 (1982-08-01), Wang et al.
patent: 4548767 (1985-10-01), Hendricks
patent: 4929400 (1990-05-01), Rembaum et al.

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