| 摘要 |
<p>The invention provides a light assembly for the light curing of a synthetic resin which is light curable, and is arranged as a layer (12) upon the surface of a pipeline or passageway (10). The assembly comprises a metal plurality of lamps (40, 42, 44) each being a pressure metal halide lamp (40) contained and sealed in an outer case which is nitrogen filled so that it can be used under water.</p> |
