Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1984-08-28
1987-08-11
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156156, 156287, 156294, 156361, 156423, 264510, 427238, 428 36, B32B 3112
Patent
active
046859837
ABSTRACT:
The present invention comprises an apparatus for installing a flexible tubular liner into a pipe. The apparatus comprises means for defining a pressurized region for inserting the liner into the pipe and an insertion conduit, having an entry end and exit end connected to the means defining the pressurized region. Means are provided on the exit end of the insertion conduit for sealing, clamping the leading end of the liner to the exit end of the insertion conduit and for creating an fluid tight seal between the liner and the insertion conduit. A first feed control mean is provided for substantially continuously controlling the feed rate of the liner as one portion of the liner is inserted into the pipe. The feed control means comprises a conveyor means having a slack conveyor belt, an idler nip roller assembly, including nip rollers juxtaposed in a line space relationship to the conveyor means and means for controlling the speed of movement of the conveyor belt. A second feed control means is provided for substantially continuously controlling the feed rate of the liner as the other portion of the liner is inserted into the pipe. The present invention further comprises a diverter apparatus for diverting the liner through a diversion angle of about ninety degrees and securement means for securing a cable to one end of the liner for controlling the rate of insertion of the liner into the pipe.
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Dawson Robert A.
Long Technologies, Inc.
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