Process for preparing non-woven webs

Details Process for preparing non-woven webs Process for preparing non-woven webs

1987-11-20

1989-04-04

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264 407, 264555, 264518, 264 292, 2642108, 26421114, 26421117, 156167, 425 722, D01D 514

Patent

active

048184632

ABSTRACT:
A process for producing a non-woven web of thermoplastic polymer fibers comprises extruding a thermoplastic polymer through a series of die openings while passing a stream of hot gas from both sides of the die openings to impinge and attenuate the molten extruded resin fibers, wherein the gas is passed through a plurality of flow distribution holes and through a flow detector to intermix gas jets discharging from the holes.

REFERENCES:
patent: 3379811 (1968-04-01), Hartmann et al.
patent: 3825379 (1974-07-01), Lohkamp et al.
patent: 3825830 (1974-07-01), Harding et al.
patent: 3942723 (1976-03-01), Langdon
patent: 3981650 (1976-09-01), Page
patent: 4078124 (1978-03-01), Prentice
patent: 4285655 (1981-08-01), Matsubara
patent: 4295809 (1981-10-01), Mikanai et al.

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