Bearings – Linear bearing – Fluid bearing
Patent
1985-01-02
1986-12-30
Levy, Stuart S.
Bearings
Linear bearing
Fluid bearing
651822, 384116, 384100, F16C 3202, F16C 3206, C03B 4004
Patent
active
046325743
ABSTRACT:
A fluidic support device is described that counteracts the gravitational bending moment present in a substrate tube during a modified chemical vapor deposition preform fabrication process. Hence, use of this device results in the production of a straight optical fiber preform. The device includes a hemicylindrical annulus section in close proximity to the portion of the substrate tube to be supported, and uses flowing fluid to offset gravity and to center the substrate tube. Gaseous use of the device increases and stabilizes the thermophoretic force without contact by either solid or liquid materials, avoiding any reduction in strength of the finished fiber.
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Folweiler Robert C.
Wilson James L.
Fisher Fred
GTE Laboratories Incorporated
Hannon Thomas R.
Levy Stuart S.
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