Stopper rod

Details Stopper rod Stopper rod

B - Operations, Transporting

22

D

B22D 41/18 (2006.01)

Patent

CA 2351942

The present invention concerns a one-piece stopper rod whose gas tightness is improved. In particular, the stopper rod of the present invention has a body of refractory material comprised at least partially of a refractory material relatively impermeable to gases.

L'invention porte sur une quenouille d'une seule pièce présentant une étanchéité aux gaz améliorée, se caractérisant en particulier par son corps fait de matériaux réfractaires, dont au moins une partie d'un matériau réfractaire imperméable aux gaz.

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