Method of introducing addivites to fibrous products

Details Method of introducing addivites to fibrous products Method of introducing addivites to fibrous products

1991-09-06

1992-06-23

Theisen, Mary Lynn

Glass manufacturing

Processes

Forming product or preform from molten glass

65 9, 264 6, 264 8, 264115, 264122, C03B 3700

Patent

active

051239493

ABSTRACT:
A process for introducing additive particles to extruded fibers during production of the fibers. Particles are directed into a moving stream of fibers during or after the fiber attenuation process. The movement of the fibers intermingles the particles with the fibers prior to the intermingled material being collected on a moving support. If liquid binder is sprayed onto the fibers it is subsequently set in an oven to bind the fibers and the particles to each other. The fibers preferably are mineral fibers and the particles may be fibers or particles introduced for a variety of reasons, such as to increase the strength of the product or to serve as extenders or fillers.

REFERENCES:
patent: 2904453 (1959-09-01), Labino
patent: 2931422 (1960-04-01), Long
patent: 3020585 (1962-02-01), Berthon et al.
patent: 3030659 (1962-04-01), Slayter
patent: 3218139 (1965-11-01), Lincoln et al.
patent: 3616030 (1971-10-01), Jumentier et al.
patent: 3850601 (1974-11-01), Stapleford et al.
patent: 4201247 (1980-05-01), Shannon
patent: 4832723 (1989-05-01), Shisler
patent: 4865755 (1989-12-01), Lloyd

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