Method and Means of Lining a Manhole
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United States of America Patent
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Nov 10, 2016
filing date -
Nov 10, 2010
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Abstract
An apparatus and method is provided for lining the wall of a manhole. The apparatus may include a liner assembly. The liner assembly includes a bladder, a liner holding device, and a liner. The bladder comprises a first end positioned near an opening of the manhole, and a bladder body positioned in the manhole. The liner holding device is positioned at least partially above the opening of the manhole. The liner includes a first end operably connected to the holding device, and a liner body positioned at least partially surrounding the bladder in the manhole. The liner holding device is adapted to feed a portion of the liner body into the manhole during expansion of the liner body.
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