Process for the production of glass fiber light conductors

Details Process for the production of glass fiber light conductors Process for the production of glass fiber light conductors

1978-05-18

1980-01-22

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 30E, 65 33, 350 9630, 427167, C03B 3700

Patent

active

041848608

ABSTRACT:
A process for producing a glass fiber light conductor which has increased tensile strength characterized by forming a protective layer at an elevated temperature either on a preform of the fiber and cladding or on the cladding of a drawn fiber with the material of the protective layer having a coefficient of thermal expansion, which is lower than the adjoining glass material of the fiber so that on cooling from the elevated temperature, the layer is subjected to compressive stresses to increase the tensile strength of the fiber.

REFERENCES:
patent: 3589878 (1971-06-01), Achener
patent: 3884550 (1975-05-01), Maurer et al.
patent: 3899313 (1975-08-01), Grabmaier et al.
patent: 4002512 (1977-01-01), Lim

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