Method of forming bushing plate for glass filaments

Details Method of forming bushing plate for glass filaments Method of forming bushing plate for glass filaments

1991-06-13

1992-08-25

Lindsay, Robert L.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

65 1, 65 2, 761076, C03B 3708

Patent

active

051407329

ABSTRACT:
A bushing plate for use in the production of glass fibers has an array of nozzle tips. The bushing plate is formed by successive cold forming operations from a starting plate of precious metal alloy. The starting plate is first indexed through a press which coins embossments raised from one side of the plate. The plate is then indexed through another press in which bores are extruded through the embossments to form the nozzle tips. The ends of the tips are then finished in an operation such as EDM wire finishing.

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The Manufacturing Technology of Continuous Glass Fibers, by L. Lowenstein, published by Elsevier Science Publishing Company, Inc., New York, 1980, pp. 131-135.

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