Title (en)

PLASTIC CHROME ORE REFRACTORY COMPOSITIONS

Publication

EP 0000981 B1 19810311 (EN)

Application

EP 78300228 A 19780801

Priority

• US 82764277 A 19770825
• US 90054078 A 19780427

Abstract (en)

[origin: EP0000981A1] In order to provide plastic chrome or refractory compositions which have a desirably low swelling or bloating tendency, without using asbestos or floc, compositions are introduced, which include hectorite, which is a naturally occurring or manufactured hydrous magnesium silicate material. The refractory compositions contain, by weight on a dry basis, 85 to 95% of size-graded chrome ore, 1 to 5% of alkali metal silicate binder, 0 to 5% of plasticizer (other than hectorite) and sufficient water to form a plastic mass, the amount of hectorite being 0.5 to 5%. The hectorite can constitute the sole plasticizer, but for cost reasons other plasticizers are also included, plastic clays being especially preferred.

IPC 1-7

C04B 35/42; C04B 35/66

IPC 8 full level

C04B 35/66 (2006.01); C04B 28/26 (2006.01); C04B 35/047 (2006.01); C04B 35/63 (2006.01)

CPC (source: EP US)

C04B 28/26 (2013.01 - EP US); C04B 35/047 (2013.01 - EP US)

C-Set (source: EP US)

C04B 28/26 + C04B 14/04 + C04B 14/10 + C04B 14/30

Designated contracting state (EPC)

BE DE FR GB LU NL SE

DOCDB simple family (publication)

EP 0000981 A1 19790307; EP 0000981 B1 19810311; AU 3885978 A 19800221; AU 518632 B2 19811008; CA 1098134 A 19810324; DE 2860522 D1 19810409; IT 1098408 B 19850907; IT 7827062 A0 19780825; JP S5443912 A 19790406; US 4166748 A 19790904

DOCDB simple family (application)

EP 78300228 A 19780801; AU 3885978 A 19780814; CA 306911 A 19780706; DE 2860522 T 19780801; IT 2706278 A 19780825; JP 10100678 A 19780821; US 90054078 A 19780427