The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 30, 1991
Filed:
Feb. 13, 1990
Sadaaki Nakajima, Shiga, JP;
Taiju Terakawa, Shiga, JP;
Chisso Corporation, , JP;
Abstract
A spinneret device for conjugate fibers of eccentric sheath-and-core type, capable of universally corresponding to various polymer-spinning conditions; affording a uniform eccentric extent of the core component; reducing the quality variation of single fibers and also that of fibers with lapse of time; being manufactured by easy works and economically are provided, which device includes cap 1; inlets of stocks 2, 2A; reservoirs 3, 3A; partitioner 4 separating 3 and 3A; filter 6; first distributing plate 7 provided with introducing holoes 8A, 8 for alternately distributing the stocks into front and rear distributing grooves 10A, 10; second distributing plate 9 on the back surface of which the grooves 10A, 10 being parallel, equally spaced and linear are engraved and on the ventral surface of which pressure-controlling holes 11A, 11 are bored; eccentricity-controlling plate 14 on the back surface of which grooves for eccentricity, 15 are engraved and the ventral surface (flat) of which introducing holes 16 for leading the stocks rendered eccentric by the grooves 15 to nozzle plate 17 are provided; the nozzle plate 17 having a flat back surface and spinning holes bored at a position where the holes 11 are concentric with the holes 16; and spacer 12 for forming a narrow and uniform clearance 13 between plate 9 and plate 14; holes 11A being arranged so as to be positioned at the intersection of a square or rectangular lattice; and holes 11 being arranged so as to be positioned at the intersection of two diagonals of the quadrilateral form formed by four adjacent holes 11A.