Hollow glass fiber bushing assembly
AssigneePPG Industries, Inc.
InventorsThomas H. Jensen, Eugene J. Palamara, William L. Schaefer
Life of this patent
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Abstract
A fiber glass bushing is described which produces hollow glass fibers from a multiplicity of tips having air tubes centered inside of them. Modules for providing a common header for rows of tubes centered in rows of tips on the bushing bottom are shown along with means to maintain the tubes centered during the running of the bushing.
Claims19
A fiber glass bushing for producing hollow glass fibers comprising a molten glass container having a bottom, a plurality of orifices in said bottom arranged in rows, a hollow tip projecting downwardly from each orifice, a row of tubes depending downwardly from a common gas distributor and in gas communication therewith and positioned inside of a row of tips so that each tip is provided with a concentrically located tube therein, a mounting bracket having a flat plate member spaced from the bushing bottom and provided with apertures along its length through which each of said hollow tubes pass, means to rigidly affix said tubes to said flat plate, at downwardly depending legs from said plate having their free ends fused to the bushing bottom, means to maintain the bushing at a desired temperature and means to pass a gas to said gas distributor tubes into the glass at the tip exit.
Dependencies are inferred from the claim text.