| 摘要 |
A sealing cover assembly that provides a liquid-tight seal around the upper perimeter of an underground utility box includes an upper lid element, a lower lid element, and a resilient, elastomeric sealing element sandwiched in between. The sealing element includes a peripheral sealing lip that mates with a peripheral surface of the upper lid element, and a sealing flange that seats in a peripheral groove or slot in the lower lid element. The peripheral lip bears against an interior surface of the underground box to form a seal The underside of the lower lid element includes fastening elements for securing an accessory holder to the underside of the cover assembly. A central fastening assembly secures the upper and lower lid elements together with the sealing element captured therebetween. |
