Process for manufacturing spherical objects

Details Process for manufacturing spherical objects Process for manufacturing spherical objects

1988-10-24

1989-12-05

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By extrusion spraying or gravity fall through orifice

264 15, 264236, 264298, 264313, 623 2, 623901, B29B 900, B29C 3504

Patent

active

048851183

ABSTRACT:
A process for manufacturing spherical objects which includes the steps of ejecting into a reaction medium layer a predetermined amount of liquid material which form spherical objects and allowing the spherical mass produced by the ejection to react and set while floating in the reaction medium layer. The reaction medium layer is restricted by a first blocking and protective liquid layer having a smaller specific gravity than the reaction medium layer and located above the level of ejection and a second blocking and protective layer having a greater specific gravity than that of the reaction medium and located below the level of ejection.

REFERENCES:
patent: 3787550 (1974-01-01), McGillvary et al.
patent: 4380518 (1983-04-01), Wydro, Sr.
patent: 4521353 (1985-06-01), Bonnot et al.
patent: 4783217 (1983-11-01), Robertson

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