EP 0313889 B1 19910731 - VACUUM FURNACE FOR THE HEAT TREATMENT OF METALLIC WORK-PIECES
Title (en)
VACUUM FURNACE FOR THE HEAT TREATMENT OF METALLIC WORK-PIECES
Publication
Application
Priority
DE 3736502 A 19871028
Abstract (en)
[origin: US4869470A] A vacuum furnace for heat treatment of metallic workpieces wherein the heat conductors are formed as conduits fitted with bore holes and connected by electrical insulators to coolant gas distributor.
IPC 1-7
IPC 8 full level
C21D 1/18 (2006.01); B23K 1/008 (2006.01); C21D 1/613 (2006.01); C21D 1/767 (2006.01); C21D 1/773 (2006.01); F27B 5/05 (2006.01); F27B 5/16 (2006.01); F27D 7/04 (2006.01); F27D 9/00 (2006.01); F27D 11/02 (2006.01); F27B 5/06 (2006.01); F27B 5/14 (2006.01)
CPC (source: EP US)
C21D 1/767 (2013.01 - EP US); C21D 1/773 (2013.01 - EP US); F27B 5/16 (2013.01 - EP US); F27D 7/04 (2013.01 - EP US); F27B 2005/064 (2013.01 - EP US); F27B 2005/146 (2013.01 - EP US); F27B 2005/164 (2013.01 - EP US); F27B 2005/167 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI LU NL SE
DOCDB simple family (publication)
US 4869470 A 19890926; AT E65800 T1 19910815; AU 2440588 A 19890504; AU 601084 B2 19900830; BG 49829 A3 19920214; BR 8805558 A 19890711; CA 1313043 C 19930126; CN 1015474 B 19920212; CN 1033840 A 19890712; CS 276378 B6 19920513; CS 711288 A3 19920513; DD 283455 A5 19901010; DE 3736502 C1 19880609; DE 3864008 D1 19910905; DK 164747 B 19920810; DK 164747 C 19921228; DK 596488 A 19890429; DK 596488 D0 19881027; EP 0313889 A1 19890503; EP 0313889 B1 19910731; ES 2023994 B3 19920216; FI 85386 B 19911231; FI 85386 C 19920410; FI 884514 A0 19880930; FI 884514 A 19890429; HU 199903 B 19900328; HU T49652 A 19891030; IL 87761 A0 19890228; IL 87761 A 19930131; IN 170643 B 19920425; JP H01142018 A 19890602; NO 169783 B 19920427; NO 169783 C 19920805; NO 884390 D0 19881004; NO 884390 L 19890502; PL 156379 B1 19920331; PL 275470 A1 19890502; PT 88895 A 19890914; PT 88895 B 19970228; SU 1813194 A3 19930430; YU 193888 A 19900430; YU 46575 B 19931116; ZA 886832 B 19890530
DOCDB simple family (application)
US 26077188 A 19881021; AT 88116478 T 19881005; AU 2440588 A 19881027; BG 8572388 A 19881017; BR 8805558 A 19881027; CA 581507 A 19881027; CN 88108739 A 19881026; CS 711288 A 19881027; DD 32110788 A 19881026; DE 3736502 A 19871028; DE 3864008 T 19881005; DK 596488 A 19881027; EP 88116478 A 19881005; ES 88116478 T 19881005; FI 884514 A 19880930; HU 561588 A 19881027; IL 8776188 A 19880915; IN 764CA1988 A 19880912; JP 25609788 A 19881013; NO 884390 A 19881004; PL 27547088 A 19881025; PT 8889588 A 19881028; SU 4356698 A 19881026; YU 193888 A 19881017; ZA 886832 A 19880913