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