Large sphere production method and product

Details Large sphere production method and product Large sphere production method and product

1989-07-24

1991-12-17

Simmons, David A.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

264 455, 264154, 264321, 244159, B29D 2200, B29C 6720, B64G 110

Patent

active

050733176

ABSTRACT:
A method of creating hollow spheres and spheres produced according to such method, such method including suspending in a zero gravity environment a molten resin material mixed with a blowing agent which is caused to foam expanding into a spherical mass wherein the insides are hollowed out and the exterior sphere wall is solidified and the further process of creating adjoining spheres.

REFERENCES:
patent: 3301935 (1967-01-01), Stoeckhert
patent: 3786134 (1974-01-01), Amagi et al.
patent: 4279632 (1981-07-01), Frosch et al.
patent: 4371454 (1983-02-01), Hisatsugu et al.

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