Valve access cover assembly

Details Valve access cover assembly Valve access cover assembly

1998-07-27

2000-08-29

Lillis, Eileen D.

Road structure, process, or apparatus

Pavement

Vault cover-closure

52 20, E02D 2914

Patent

active

061098221

ABSTRACT:
Lid 12 has affixed thereto an annular resilient flap 26 which cooperates with a flange 21 on a lid support 13 to resist dislodgement of the lid. The flap 26 i worked into position beneath the flange 21 by rotation of the lid about its axis. A container portion 34 of the lid may contain a granular material to add weight to the lid.

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