F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
Dispositif permettant de maintenir captif un axe d'articulation dans un logement d'un élément de couronnement, tel qu'une grille ou un tampon, d'un regard de chaussé
Perfectionnements apportes aux organes destines a etre positionnes, a l'aide d'un outil tel qu'une clef, par deplacement axial en un emplacement d'acces difficile de leur support