EP 0350450 A3 19910605 - POLYCHROMATIC MULTIFILAMENT YARNS
Title (en)
POLYCHROMATIC MULTIFILAMENT YARNS
Publication
Application
Priority
IT 2124388 A 19880706
Abstract (en)
[origin: EP0350450A2] A method of simultaneously producing at least four continuous polychromatic multifilament yarns consisting of at least four different homochromatic filament groups and comprising at least about 60 continuous filaments by melt spinning from a plurality of spinnerets, air quenching and stretching; the spinnerets are part of a single melt spinning unit and are arranged in at least two mutually distanced vertical planes (P<1>, P<2>); not more than three different homochromatic groups of filaments of any yarn are extruded from the spinnerets arranged in the same vertical plane.
IPC 1-7
IPC 8 full level
D01D 5/08 (2006.01); D01D 5/088 (2006.01); D02J 1/22 (2006.01); D01D 5/098 (2006.01); D01D 13/00 (2006.01)
CPC (source: EP)
D01D 5/082 (2013.01); D01D 13/00 (2013.01)
Citation (search report)
- [A] US 3899562 A 19750812 - SEIDL ANTON
- [A] DE 1805954 A1 19700611 - BAYER AG
- [A] WO 8503728 A1 19850829 - SCHWEIZERISCHE VISCOSE [CH]
- [X] PATENT ABSTRACTS OF JAPAN, vol. 3, no. 123 (C-61), 16th October 1979; & JP-A-54 101 912 (CHISSO) 08-10-1979
- [X] DATABASE WPIL, no. 81-48993D, Derwent Publications Ltd, London, GB; & RD-A-206 037 (ANONYMOUS) 10-06-1981
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0350450 A2 19900110; EP 0350450 A3 19910605; IT 1226160 B 19901219; IT 8821243 A0 19880706; JP H03119106 A 19910521
DOCDB simple family (application)
EP 89810496 A 19890630; IT 2124388 A 19880706; JP 17699789 A 19890706