| 摘要 |
1534914 Furnace roof or wall construction FOSECO TRADING AG 17 Feb 1977 [21 Feb 1976] 06921/76 Addition to 1287530 Heading F4B Furnace roof or wall panels, Fig. 1, having an outer metal backing 1 and an inner refractory layer 3 formed with end faces sloping away from the backing plate and substantially parallel are suspended by members 6 at one end engaging supports 8 secured to main beams 9, Figs. 2 and 3, so that each panel can be pivoted about the support members 6 without disturbing adjacent panels. Side edges of the panel carry seal plates 10, having ceramic fibre linings, and the edge remote from the support members 6 has L-shaped stops 13. |
