Liner for a manhole and a method for lining a manhole

Details Liner for a manhole and a method for lining a manhole Liner for a manhole and a method for lining a manhole

1998-05-19

2000-10-03

Castellano, Stephen

Receptacles

In ground, nontank container

220 16, 2205671, B65D 8876

Patent

active

061260304

ABSTRACT:
A flexible manhole liner bag soaked with a curable liquid resin is inserted into a manhole; this liner bag is equipped with step connectors having female screws, which are disposed to penetrate and be supported by a fabric layer of the liner bag; the open ends of the female screws are substantially flush with the inner face of the fabric layer, and male screws are screwed into these female screws and a sealing material is applied between the internal thread of the female screws and the external thread of the male screws.

REFERENCES:
patent: 2002127 (1935-05-01), O'Neal
patent: 4865220 (1989-09-01), Wiegand
patent: 5081802 (1992-01-01), Westhoff et al.

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