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:
Feb. 11, 1997
Filed:
Mar. 28, 1996
Taiju Terakawa, Shiga-ken, JP;
Chisso Corporation, Osaka-fu, JP;
Abstract
A combined filament type, melt-blow spinneret device can correspond to various kinds of microfine, combined filaments, and includes a spinning-resin-feeding plate 2 having respective resin-introducing grooves 7a, 7b for introducing two kinds of spinning resins A and B; a distributing plate 3 having distributing grooves 9a, 9b for respectively distributing the spinning resins A, B fed from the resin-introducing grooves of the resin-feeding plate 2; a nozzle plate 5 having a cavity 22 for receiving a separating plate 4 therein and a plurality of holes formed in a bottom interior surface of a downwardly-extending portion of the nozzle plate 5; a separating plate 4 received in the cavity 22 and attached to the second major surface of the distributing plate 3, the separating plate 4 including separation grooves 17a, 17b engraved from a side portion to a bottom portion thereof facing a plurality of holes 14 of the nozzle plate 5, for introducing the different spinning resins into the plurality of holes; and a clearance-defining plate 6 having a V-shaped groove arranged to provide a gas-introducing clearance 16 between the nozzle plate 5 and the clearance-defining plate 6 for stretching the combined resins.