| 摘要 |
<p>1423696 Charging coke ovens SIMONCARVES Ltd 7 Aug 1974 [4 Oct 1973] 46352/73 Heading F4B A coke oven battery of the kind having a charging machine with a structure extending transversely of and adapted to run longitudinally of the battery and supporting a number of coal hoppers each having a telescopic sleeve engaging a roof charging aperture is characterized by the provision of a recess 20 surrounding each aperture 15 and a compressible seal 21 in said recess engaged by the sleeve 16. Each recess is formed in a cast frame member 19 and widens towards the base as shown. The seal 21 comprises a pad of ceramic fibres.</p> |
