Apparatus for melt spinning hollow fibers

Plastic article or earthenware shaping or treating: apparatus – Means providing a shaping orifice – Adjustable shaping orifice or shape imparting insert member

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264177F, A01J 2100

Patent

active

042784158

ABSTRACT:
Using a conventional spinneret plate with suitable pins inserted in the counterbore-orifice combination thereof, hollow fibers are provided.

REFERENCES:
patent: 1618256 (1927-02-01), Wurthrich
patent: 3075242 (1963-01-01), Grafried
patent: 3121254 (1964-02-01), Heynen et al.
patent: 3438087 (1969-04-01), Attfield et al.
patent: 3439381 (1969-04-01), Plomp
patent: 3540080 (1970-11-01), Goossens
patent: 3608040 (1971-09-01), Green
patent: 3686377 (1972-08-01), Hays
patent: 4151242 (1979-04-01), Sansone

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