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169 914 new documents added

2 331 667 documents amended

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EP 0074446 A1 19830323 - Multifilament yarn and spinning process therefor.

Title (en)

Multifilament yarn and spinning process therefor.

Title (de)

Multifilamentgarn und Spinnverfahren.

Title (fr)

Fil multifilament et procédé de filage.

Publication

EP 0074446 A1 19830323 (EN)

Application

EP 81304214 A 19810915

Priority

EP 81304214 A 19810915

Abstract (en)

A multifilament yarn wherein the conjugate filaments have the same denier and may be split into different numbers of sub-filaments. A preferred spinneret (22) has horse-shoe shaped slots (20) with recessed web regions (24). Two dissimilar polymers are fed a a sheath-core conjugate stream with polymer interface (26).

IPC 1-7

D01D 5/30; D01D 5/24

IPC 8 full level

D01D 5/24 (2006.01); D01D 5/30 (2006.01)

CPC (source: EP)

D01D 5/24 (2013.01); D01D 5/30 (2013.01)

Citation (search report)

[AD] US 4051287 A 19770927 - HAYASHI KAZUSHIGE, et al
[A] EP 0013186 A1 19800709 - MONSANTO CO [US]
[A] GB 2045153 A 19801029 - MONSANTO CO

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0074446 A1 19830323; EP 0074446 B1 19850522; DE 3170615 D1 19850627

DOCDB simple family (application)

EP 81304214 A 19810915; DE 3170615 T 19810915