US 12,000,024 B2
Alloy for fiber-forming plate
Ludovic Hericher, Chalon sur Saone (FR); Jacques Labarthe, Montmorency (FR); and Cyril Condolf, Conflans-Sainte-Honorine (FR)
Assigned to SAINT-GOBAIN ISOVER, Courbevoie (FR); and SAINT-GOBAIN SEVA, Chalon-sur-Saone (FR)
Filed by SAINT-GOBAIN ISOVER, Courbevoie (FR); and SAINT-GOBAIN SEVA, Chalon-sur-Saone (FR)
Filed on Apr. 27, 2023, as Appl. No. 18/308,373.
Application 18/308,373 is a continuation of application No. 17/900,136, filed on Aug. 31, 2022, granted, now 11,667,993.
Application 17/900,136 is a continuation of application No. 17/273,149, granted, now 11,505,849, issued on Nov. 22, 2022, previously published as PCT/FR2019/052091, filed on Sep. 10, 2019.
Claims priority of application No. 1858208 (FR), filed on Sep. 13, 2018.
Prior Publication US 2023/0287541 A1, Sep. 14, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C22C 19/05 (2006.01); C03B 37/04 (2006.01)
CPC C22C 19/055 (2013.01) [C03B 37/047 (2013.01)] 22 Claims
 
1. An article for the conversion of glass, the article being made of an alloy that contains the following elements, the proportions being indicated as percentage by weight of the alloy (limit values included):
 
 
 
 Cr  20 to 35%
 
 Fe   1 to 6%
 
 W   3 to 8%
 
 Nb 0.5 to 3%
 
 Ti   0 to 1%
 
 C 0.4 to 1%
 
 Co   0 to 3%
 
 Si 0.1 to 1.5%
 
 Mn 0.1 to 1%
 
 
the remainder consisting of nickel and unavoidable impurities.