Glass bead forming nozzles and method

Details Glass bead forming nozzles and method Glass bead forming nozzles and method

1975-09-02

1977-01-11

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Self-supporting particle making

65142, C03B 1910

Patent

active

040024474

ABSTRACT:
The diameters of glass beads formed by jetting molten glass through an orifice are changed without a shut-down by employing an orifice nozzle having a tapered tip. With such a nozzle, the bead diameter is changed by changing the velocity with which the glass is forced through the nozzle. This may be accomplished by changing either the pressure or the viscosity. Alternatively, the bead diameter can be changed by using interchangeable nozzles having different lengths.

REFERENCES:
patent: 2908036 (1959-10-01), Russell
patent: 3294503 (1966-12-01), Machlan et al.
patent: 3843340 (1974-10-01), Cone
The Manufacturing Technology of Continuous Glass Fibres, K. L. Loewenstein, Elsevier Scientific Pub. Co., 1973, pp. 93-95.

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