Method of producing lumps of tangled fibers

Details Method of producing lumps of tangled fibers Method of producing lumps of tangled fibers

1978-03-13

1979-08-14

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Agitating to form larger particles

264115, 264121, 264122, B01J 216

Patent

active

041645340

ABSTRACT:
Short filaments, or strands near filaments, of, for example, glass are introduced into a vessel such as a cyclone in which whirls around a gas such as air, resulting in entanglement of the filaments into ball-like lumps. Preferably the whirling of the gas and the introduction of the filaments into the vessel are made such that the fiber lumps are discharged downwards from the vessel while the gas is discharged upwards. The product is useful as a stuffing for heat- and/or sound insulation.

REFERENCES:
patent: 3564083 (1969-03-01), Fournet et al.
patent: 3632257 (1972-01-01), Ashizawa
patent: 3904726 (1975-09-01), Jacquelin et al.

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