EP 0281485 B1 19901017 - COMPOSITE PRODUCT IN A TUBULAR ENVELOPE FOR TREATING MOLTEN-METAL BATHS
Title (en)
COMPOSITE PRODUCT IN A TUBULAR ENVELOPE FOR TREATING MOLTEN-METAL BATHS
Publication
Application
Priority
FR 8701433 A 19870203
Abstract (en)
[origin: US4863803A] The invention relates to a composite product of substantial length for the treatment of metal baths which is formed by a tubular metal casing (2) within which are housed the treatment material or materials in powder form and which comprises an axial zone (4) containing a first material surrounded by a tubular metal intermediate wall (3) and an annular zone (6) between the casing and the intermediate wall and which also contains a second material. Such a composite product in which the axial zone contains at least one element selected from calcium and magnesium can be used in particular for the desulphurization of iron or steel baths.
IPC 1-7
IPC 8 full level
C21C 7/04 (2006.01); C21C 1/02 (2006.01); C21C 7/00 (2006.01); C21C 7/064 (2006.01)
CPC (source: EP KR US)
C21C 1/025 (2013.01 - EP US); C21C 7/0056 (2013.01 - EP US); C21C 7/04 (2013.01 - KR); C21C 7/064 (2013.01 - KR); C21C 7/0645 (2013.01 - EP US); Y10T 428/12056 (2015.01 - EP US); Y10T 428/12069 (2015.01 - EP US); Y10T 428/1209 (2015.01 - EP US); Y10T 428/12097 (2015.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0281485 A1 19880907; EP 0281485 B1 19901017; AT E57541 T1 19901115; AU 1118788 A 19880804; AU 607968 B2 19910321; BR 8800405 A 19880920; CN 1010324 B 19901107; CN 88100499 A 19880817; DE 3860801 D1 19901122; DK 52088 A 19880804; DK 52088 D0 19880202; ES 2018355 B3 19910401; FR 2610331 A1 19880805; GR 3000950 T3 19911210; IN 169055 B 19910824; JP S63227712 A 19880922; KR 880010141 A 19881007; US 4863803 A 19890905; ZA 88736 B 19880803
DOCDB simple family (application)
EP 88420033 A 19880203; AT 88420033 T 19880203; AU 1118788 A 19880202; BR 8800405 A 19880202; CN 88100499 A 19880203; DE 3860801 T 19880203; DK 52088 A 19880202; ES 88420033 T 19880203; FR 8701433 A 19870203; GR 900400586 T 19901018; IN 51CA1988 A 19880121; JP 2364788 A 19880203; KR 880000949 A 19880203; US 14843588 A 19880126; ZA 88736 A 19880202