EP 0648868 A1 19950419 - A method for producing a yarn for a field of artificial grass.
Title (en)
A method for producing a yarn for a field of artificial grass.
Title (de)
Verfahren zur Herstellung von Garnen für Kunstrasen.
Title (fr)
Méthode pour la fabrication de fils pour terrains en gazon artificiel.
Publication
Application
Priority
NL 9301798 A 19931018
Abstract (en)
A method for producing a yarn for a field of artificial grass by extruding a polymer material into a monofilament, stretching the monofilament at an elevated temperature, relaxing it to obtain a band and twisting several bands together into a yarn, whereby said extrusion takes place via a spinning plate having such a form that monofilaments are obtained, which in the cross-section have regularly spaced-apart protrusions having a height of 10 - 40% of the thickness of the monofilament without protrusions, being a thickness of 100 - 700 mu m and a width of 1 - 5 mm, then said stretching takes place at a stretching ratio between 1 : 2 and 1 : 10, whereby bands having a thickness of 50 - 350 mu m and a width of 0.5 - 2 mm are obtained after relaxing and cooling, and whereby subsequently 5 - 10 bands are twisted together in order to obtain said yarn. <IMAGE>
IPC 1-7
IPC 8 full level
D02G 3/44 (2006.01); D01D 5/20 (2006.01); D01D 5/253 (2006.01); D01F 6/30 (2006.01)
CPC (source: EP)
Citation (search report)
- [A] CH 511305 A 19710430 - KANTOROWICZ JOSEPH [CH]
- [A] DE 2838986 A1 19800320 - BAYER AG
- [A] GB 1305206 A 19730131
- [A] US 3072064 A 19630108 - BURKHOLDER ALDEN H
- [DA] EP 0417832 A1 19910320 - DESSEAUX H TAPIJTFAB [NL]
- [A] EP 0359321 A1 19900321 - SOLVAY [BE]
- [A] US 3573147 A 19710330 - ELBERT DONALD L
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0648868 A1 19950419; EP 0648868 B1 19970409; AT E151475 T1 19970415; DE 69402504 D1 19970515; DE 69402504 T2 19970717; DK 0648868 T3 19970721; ES 2099534 T3 19970516; JP H07197308 A 19950801; NL 9301798 A 19950516; NZ 264629 A 19950926
DOCDB simple family (application)
EP 94202940 A 19941011; AT 94202940 T 19941011; DE 69402504 T 19941011; DK 94202940 T 19941011; ES 94202940 T 19941011; JP 25071294 A 19941017; NL 9301798 A 19931018; NZ 26462994 A 19941006