EP 3824160 B1 20221102 - ROLLER CUTTER
Title (en)
ROLLER CUTTER
Title (de)
SCHNEIDROLLE
Title (fr)
DISQUE DE COUPE
Publication
Application
Priority
- DE 102018005972 A 20180720
- EP 2019066755 W 20190625
Abstract (en)
[origin: WO2020015958A1] A roller cutter having a spindle (2) on which a cutting ring (4) is rotatably mounted by means of a bearing device (10, 12) that is sealed off from the surroundings by means of a sealing device (28, 30) is characterized in that any differential pressure between the bearing device (10, 12) and the surroundings can be compensated by means of a compensating device (40).
IPC 8 full level
E21C 25/18 (2006.01); E21B 10/12 (2006.01)
CPC (source: EP US)
E21B 10/12 (2013.01 - EP US); E21B 10/24 (2013.01 - US); E21B 10/25 (2013.01 - US); E21C 25/18 (2013.01 - EP); E21D 9/104 (2013.01 - US)
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
DOCDB simple family (publication)
WO 2020015958 A1 20200123; AU 2019303851 A1 20210114; CN 215830495 U 20220215; DE 102018005972 A1 20200123; EP 3824160 A1 20210526; EP 3824160 B1 20221102; JP 2021529906 A 20211104; JP 7371079 B2 20231030; US 11866999 B2 20240109; US 2021262292 A1 20210826
DOCDB simple family (application)
EP 2019066755 W 20190625; AU 2019303851 A 20190625; CN 201990000854 U 20190625; DE 102018005972 A 20180720; EP 19735236 A 20190625; JP 2021500394 A 20190625; US 201917261320 A 20190625