Process for producing air blown glass fiber strand mat

Details Process for producing air blown glass fiber strand mat Process for producing air blown glass fiber strand mat

1974-04-08

1977-10-04

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

252189, 427178, C03C 2502

Patent

active

040521826

ABSTRACT:
A process of making a mat of glass fibers wherein a strand of glass fibers frictionally engages the surface of a revolving cylinder from which the strand is tangentially discharged onto a moving conveyor. The strand is caused to be randomly looped upon the conveyor by alternate blasts of air which laterally impinge upon the strand to throw the strand in a looped fashion from side to side across the conveyor. More efficient and sustained operation in the processing of glass fiber mat is obtained by wetting the individual filaments of glass with a water solution comprising organosilane, nonionic lubricants, and acidic salt, which water solution eliminates wheel wrap of the glass fiber strand around the revolving cylinder without adversely affecting other desirable properties of the strand and the mat.

REFERENCES:
patent: 3676095 (1972-07-01), Stalego
patent: 3725123 (1973-04-01), Marzocchi et al.
patent: 3773607 (1973-11-01), Marzocchi

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