Global Patent Index - EP 4379099 A1

EP 4379099 A1 20240605 - COMPOSITE FIBER BUNDLE AND FIBER PRODUCT

Title (en)

COMPOSITE FIBER BUNDLE AND FIBER PRODUCT

Title (de)

VERBUNDFASERBÜNDEL UND FASERPRODUKT

Title (fr)

FAISCEAU DE FIBRES COMPOSITES ET PRODUIT FIBREUX

Publication

EP 4379099 A1 20240605 (EN)

Application

EP 22849561 A 20220727

Priority

  • JP 2021122063 A 20210727
  • JP 2022029025 W 20220727

Abstract (en)

The present invention pertains to a conjugate fiber bundle characterized by being constituted by conjugate fibers comprising at least two types of polymers having different melting points, and by being such that the variation coefficient CV for the value of the ((distance between polymer centers of gravity)/(fiber diameter)) among the conjugate fibers is 5-30%.

IPC 8 full level

D01F 8/04 (2006.01)

CPC (source: EP KR)

D01D 5/34 (2013.01 - EP); D01F 8/04 (2013.01 - EP KR); D10B 2401/10 (2013.01 - KR); D10B 2403/0331 (2013.01 - KR); D10B 2509/00 (2013.01 - KR)

Citation (search report)

See references of WO 2023008500A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4379099 A1 20240605; CN 117716076 A 20240315; JP WO2023008500 A1 20230202; KR 20240034772 A 20240314; WO 2023008500 A1 20230202

DOCDB simple family (application)

EP 22849561 A 20220727; CN 202280052686 A 20220727; JP 2022029025 W 20220727; JP 2022547306 A 20220727; KR 20247002834 A 20220727