EP 1780324 A1 20070502 - Apparatus for needling a nonwoven material
Title (en)
Apparatus for needling a nonwoven material
Title (de)
Vorrichtung zum Nadeln eines Vlieses
Title (fr)
Dispositif d'aiguilletage d'un non-tissé
Publication
Application
Priority
AT 17502005 A 20051027
Abstract (en)
Apparatus for needling nonwovens, comprising a needle board connected to push rods, comprises a push rod drive in the form of a hydrostatic resonance drive comprising pistons (2) acted upon on both sides by hydraulic springs (4, 5) and a device for applying pressure to the pistons at a frequency corresponding to the resonance frequency of the vibrational system comprising the moving masses and the hydraulic springs.
IPC 8 full level
D04H 18/00 (2012.01)
CPC (source: EP US)
D04H 18/02 (2013.01 - EP US)
Citation (search report)
- [A] GB 1346894 A 19740213 - WOOL IND RES ASSOC
- [A] EP 0790343 A2 19970820 - FEHRER TEXTILMASCH [AT]
- [A] FR 2657094 A1 19910719 - FEHRER TEXTILMASCH [AT]
- [A] GB 2351090 A 20001220 - FEHRER TEXTILMASCH [AT]
- [A] DE 19910945 A1 19991007 - FEHRER TEXTILMASCH [AT]
- [A] US 6785940 B1 20040907 - MUELLER KARL [AT]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1780324 A1 20070502; EP 1780324 B1 20131016; AT 502044 A4 20070115; AT 502044 B1 20070115; CN 1990932 A 20070704; JP 2007119998 A 20070517; TW 200730687 A 20070816; US 2007101562 A1 20070510; US 7308744 B2 20071218
DOCDB simple family (application)
EP 06450146 A 20061017; AT 17502005 A 20051027; CN 200610172979 A 20061026; JP 2006316257 A 20061026; TW 95138688 A 20061020; US 58875806 A 20061027