Document Type

Patent

Publication Date

11-17-1987

Patent Number

patent number 4707409

Abstract

Spinneret having an orifice defined by two intersecting slots and each intersecting slot in turn defined by three quadrilateral sections connected in series: the middle quadrilateral section of each intersecting slot having a greater width than the other two quadrilateral sections of the same intersecting slot and intersecting the other intersecting slot at its middle quadrilateral section to form therewith a generally X-shaped opening, with each of the other two quadrilateral sections of each intersecting slot being longer than the middle quadrilateral section of each intersecting slot; and a four-winged filament cross-section extruded through the aforedescribed spinneret orifice.

Application Number

06/890270

Assignees

Eastman Kodak Company (Rochester, NY)

Filing Date

1986-07-29

Primary/U.S. Class

428/397

Other/U.S. Class

57/243, 57/246, 57/248, 428/364, 428/373, 428/374

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