A system for in situ repair of the bottom refractory of a chamber holding molten metal is disclosed. The system utilizes a weighted refractory block which is put in place through the molten metal. The repair is suitable for the bottom refractories of a forming chamber for float glass formation....http://www.google.fr/patents/US4233047?utm_source=gb-gplus-shareBrevet US4233047 - In situ repair of delaminated float bath bottom refractory
In situ repair of delaminated float bath bottom refractory