Reinforced glass fiber forming bushing and tips

Details Reinforced glass fiber forming bushing and tips Reinforced glass fiber forming bushing and tips

C - Chemistry, Metallurgy

03

B

49/9.2

C03B 37/083 (2006.01)

Patent

CA 1335158

This invention relates to a novel bushing apparatus having unique nozzles or projecting orifices for the production of round glass fibers. Particularly, it relates to a bushing having tips with cross sections in the form of finite-sided polygons. It is shown that the use of noncircular tips to produce round fibers can result in higher tip packing densities than are now present in the state of the art. Tips with square cross sections are shown to provide the most preferred embodiment of this aspect of the invention. Still more preferred is an embodiment in which rows of noncircular tips are interconnected with the tip plate by means of an integrally formed rib which increases the stiffness of the tip plate and its resistance to high temperature thermal creep.

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