Fluid flow method and apparatus used in manufacture of glass fib

Details Fluid flow method and apparatus used in manufacture of glass fib Fluid flow method and apparatus used in manufacture of glass fib

1978-08-03

1980-03-25

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 12, C03B 3702

Patent

active

041948955

ABSTRACT:
The present invention embraces fluid flow apparatus comprising a first nozzle for discharge of a first fluid therefrom, duct means for receiving the first fluid discharged from the first nozzle and for discharging the first fluid therefrom, and a second nozzle for discharge of a second fluid therefrom for modifying the first fluid upon discharge from the duct means. The present invention also embraces a method of controlling the environment of the fiber forming region of a glass fiber forming bushing comprising establishing a first flow of fluid in which the fluid in the center region of the first flow has a flow velocity at least as high as the flow velocity of fluid in all other regions of the first flow, directing a second flow of fluid into contact with the first flow to establish a combined flow in which the fluid in the center region of the combined flow has a flow velocity lower than the flow velocity of fluid in other regions of the combined flow and contacting the fiber forming region with the combined flow.

REFERENCES:
patent: 3123242 (1964-03-01), Imoto et al.
patent: 3625025 (1971-12-01), Jensen
patent: 3829301 (1974-08-01), Russell
patent: 3905790 (1975-09-01), Strickland
patent: 3979195 (1976-09-01), Strickland
patent: 3982915 (1976-09-01), Coggin
patent: 3986853 (1976-10-01), Coggin et al.
patent: 3988135 (1976-10-01), Coggin
patent: 4003731 (1977-01-01), Thompson
patent: 4033742 (1977-07-01), Nichols et al.
patent: 4088469 (1978-05-01), Schaefer

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