EP 3359719 A1 20180815 - NEEDLING MACHINE
Title (en)
NEEDLING MACHINE
Title (de)
NADELMASCHINE
Title (fr)
AIGUILLETEUSE
Publication
Application
Priority
- DE 102015116883 A 20151005
- EP 2016068628 W 20160804
Abstract (en)
[origin: WO2017059984A1] The invention relates to a needling machine for securing nonwoven textile products, comprising a needle bar which can be moved up and down by at least one rotatable crankshaft by means of connection rods. The needling machine has multiple bearings for supporting the crankshaft on a housing and/or in a bore of the connection rod, said bearings being provided with a lubricant. The invention is characterized in that the bearing(s) is/are sealed on both sides by a respective sealing element (23; 24), and each sealing element (23; 24) is designed in the form of a ring and has at least one spiral-shaped or helical groove or ridge on the outer or inner diameter, said groove or ridge interacting with a counter surface which is arranged at a distance therefrom and which is flat over the width.
IPC 8 full level
D04H 18/02 (2012.01); F16C 33/78 (2006.01)
CPC (source: EP)
D04H 18/02 (2013.01); F16C 33/782 (2013.01); F16C 9/04 (2013.01); F16C 19/26 (2013.01); F16C 33/7886 (2013.01); F16C 33/80 (2013.01); F16C 2240/46 (2013.01)
Citation (search report)
See references of WO 2017059984A1
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)
DE 102015116883 A1 20170406; CN 108138410 A 20180608; EP 3359719 A1 20180815; WO 2017059984 A1 20170413
DOCDB simple family (application)
DE 102015116883 A 20151005; CN 201680054952 A 20160804; EP 16748298 A 20160804; EP 2016068628 W 20160804