Global Patent Index - EP 4197949 A1

EP 4197949 A1 20230621 - YARN WINDING MACHINE

Title (en)

YARN WINDING MACHINE

Title (de)

GARNWICKELMASCHINE

Title (fr)

MACHINE DE BOBINAGE DE FIL

Publication

EP 4197949 A1 20230621 (EN)

Application

EP 22210857 A 20221201

Priority

JP 2021204504 A 20211216

Abstract (en)

A winding unit (10) unwinds a yarn (20) from a cross-wound package (21) and winds the yarn (20) into a package (30). The winding unit (10) includes: an optical sensor (45) that is arranged on a side of the cross-wound package (21) and detects a yarn layer of the cross-wound package (21); and a sensor moving device (60) including a drive motor (61) that moves the optical sensor (45) in a predetermined moving direction (D2).

IPC 8 full level

B65H 63/08 (2006.01)

CPC (source: CN EP)

B65H 54/06 (2013.01 - CN); B65H 54/28 (2013.01 - CN); B65H 54/70 (2013.01 - CN); B65H 54/74 (2013.01 - CN); B65H 59/06 (2013.01 - CN); B65H 59/40 (2013.01 - CN); B65H 61/00 (2013.01 - CN); B65H 63/082 (2013.01 - CN EP); B65H 2701/31 (2013.01 - CN EP)

Citation (applicant)

JP H0485266 A 19920318 - MURATA MACHINERY LTD

Citation (search report)

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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4197949 A1 20230621; CN 116265362 A 20230620; JP 2023089779 A 20230628

DOCDB simple family (application)

EP 22210857 A 20221201; CN 202211500379 A 20221128; JP 2021204504 A 20211216