Method to extract material from a running length of fiber

Details Method to extract material from a running length of fiber Method to extract material from a running length of fiber

1988-08-29

1990-12-18

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264184, 264203, 26421116, D01F 1100

Patent

active

049784927

ABSTRACT:
A method of extracting a material from a continuous running length of fiber comprising continuously moving the fiber through a conduit while simultaneously flowing a solvent for the material through the conduit with the conduit having a length and cross sectional area sufficient to facilitate extraction of the desired amount of the material. The flow is countercurrent to the movement of the fiber.

REFERENCES:
patent: 2304474 (1942-12-01), Poese
patent: 2468081 (1949-04-01), Koster
patent: 2509279 (1950-05-01), Lisson
patent: 2725276 (1955-11-01), Griset, Jr.
patent: 3124631 (1964-03-01), Davis et al.
patent: 3725523 (1973-04-01), Bowen
patent: 3918111 (1975-11-01), Dunn
patent: 4248066 (1981-02-01), Muller
patent: 4365424 (1982-12-01), Hoersch
patent: 4413110 (1983-11-01), Kavesh et al.

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