Roll coating of glass fibers

Details Roll coating of glass fibers Roll coating of glass fibers

2006-02-21

2006-02-21

Halpern, Mark (Department: 1731)

Glass manufacturing

Processes of manufacturing fibers, filaments, or preforms

With coating

C065S430000, C065S529000, C065S453000, C065S377000, C427S174000, C427S209000

Reexamination Certificate

active

07000435

ABSTRACT:
A roll coater for placing binder on the fibers prior to being wound around a rotating drawing drum. The drawing drum draws fibers out of orifices in the bottom of a slowly reciprocating furnace. The fibers form a mat on the drawing drum that is later removed and expanded. The roll coater includes a graphite or other material coating drum that rotates in a bath of liquid binder and/or wetting agents, and reciprocates with the furnace. The fibers scrape over the surface of the coating drum after being formed but before winding around the drawing drum. The binder and/or wetting agent picked up on the surface of the coating drum coats the fibers with binder and/or wetting agent. Liquid binder and/or wetting agent is replenished in the bath in which the coating drum is partially submerged by a float, sensor, pump and large container of binder/wetting agent.

REFERENCES:
patent: 2546230 (1951-03-01), Modigliani
patent: 2609320 (1952-09-01), Modigliani
patent: 2916347 (1959-12-01), Russell
patent: 2964439 (1960-12-01), Modigliani
patent: 3029780 (1962-04-01), Justus et al.
patent: 3873291 (1975-03-01), Miller

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