EP 3987103 A1 20220427 - MACHINE AND METHOD FOR THE DISCONTINUOUS DYEING OF SPOOLS OF YARN
Title (en)
MACHINE AND METHOD FOR THE DISCONTINUOUS DYEING OF SPOOLS OF YARN
Title (de)
MASCHINE UND VERFAHREN ZUM DISKONTINUIERLICHEN FÄRBEN VON GARNSPULEN
Title (fr)
MACHINE ET PROCÉDÉ POUR LA TEINTURE DISCONTINUE DE BOBINES DE FIL
Publication
Application
Priority
- IT 201900009276 A 20190618
- EP 2020064753 W 20200527
Abstract (en)
[origin: WO2020254082A1] A machine and a method for the discontinuous dyeing of spools of yarn, which entails, within a closed tank (1) which contains the spools (2) of yarn to be processed immersed in a treatment bath, changing the quantity of bath held inside the spools of yarn a certain number of times per minute and conveniently mixing the remaining quantity of free bath inside the closed tank (1). A first pump (8) is substantially used to change the bath inside the spools and a second pump (20) is used to mix the free bath in the closed tank (1). Furthermore, an external heat exchanger (22) is installed on the circuit of the second pump (20) and is adapted to heat and/or cool the bath.
IPC 8 full level
D06B 5/16 (2006.01); D06B 23/20 (2006.01)
CPC (source: EP)
D06B 5/16 (2013.01); D06B 23/205 (2013.01); D06B 3/09 (2013.01); D06B 23/22 (2013.01)
Citation (search report)
See references of WO 2020254082A1
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
DOCDB simple family (publication)
WO 2020254082 A1 20201224; CN 113966420 A 20220121; EP 3987103 A1 20220427; IT 201900009276 A1 20201218
DOCDB simple family (application)
EP 2020064753 W 20200527; CN 202080042665 A 20200527; EP 20727663 A 20200527; IT 201900009276 A 20190618