EP 1728878 B1 20130605 - Process for hardening of saw-tooth and all-steel card clothing
Title (en)
Process for hardening of saw-tooth and all-steel card clothing
Title (de)
Verfahren zum Härten von Sägezahn- und Ganzstahlgarnituren
Title (fr)
Procédé de durcissement de garnitures de cardage en dent de scie et tout-acier
Publication
Application
Priority
DE 102005025627 A 20050603
Abstract (en)
[origin: DE102005025627B3] Production of sawtooth wire clothing for textile carding comprises cutting saw teeth in a wire and then hardening it by heating it in a protective atmosphere to an austenite-forming temperature and rapidly cooling it. The wire is then annealed to reduce its brittleness or increase its toughness. An independent claim is included for plant for carrying out the production method comprising a heating chamber with a protective gas supply pipe (40) and a burner (50). The burner is fitted with a mixer which supplies fuel gas and an oxidant in a predetermined ratio.
IPC 8 full level
C21D 1/52 (2006.01); C21D 1/74 (2006.01); C21D 9/24 (2006.01); C21D 9/26 (2006.01); C21D 9/52 (2006.01); D01G 15/88 (2006.01)
CPC (source: EP KR US)
B21F 45/10 (2013.01 - KR); C21D 1/18 (2013.01 - KR); C21D 9/24 (2013.01 - EP US); C21D 9/26 (2013.01 - EP US); C21D 9/525 (2013.01 - EP US); D01G 15/88 (2013.01 - EP US)
Citation (examination)
US 5096506 A 19920317 - HOLLINGSWORTH JOHN D [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 102005025627 B3 20061005; AR 053473 A1 20070509; BR PI0602102 A 20070213; CA 2548632 A1 20061203; CN 103173603 A 20130626; CN 1873033 A 20061206; EP 1728878 A2 20061206; EP 1728878 A3 20080709; EP 1728878 B1 20130605; ES 2426493 T3 20131023; JP 2006336108 A 20061214; JP 5378640 B2 20131225; KR 20060126394 A 20061207; TW 200712273 A 20070401; US 2007028423 A1 20070208; US 7743470 B2 20100629
DOCDB simple family (application)
DE 102005025627 A 20050603; AR P060102065 A 20060519; BR PI0602102 A 20060525; CA 2548632 A 20060526; CN 200610088778 A 20060605; CN 201310074967 A 20060605; EP 06008191 A 20060420; ES 06008191 T 20060420; JP 2006153132 A 20060601; KR 20060049803 A 20060602; TW 95119371 A 20060601; US 44498506 A 20060601