Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement
Reexamination Certificate
2005-08-09
2005-08-09
Will, Thomas B. (Department: 3671)
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Repair, replacement, or improvement
C405S150200, C138S097000, C118S317000, C118S323000, C427S236000, C239S407000, C239S583000, C239S750000
Reexamination Certificate
active
06926466
ABSTRACT:
A polyurethane applicator (10) for spraying at high-pressures a liner on the inner circumferential wall of an existing conduit (C) to be rehabilitated. The applicator (10) includes a carriage (12) coaxially guided in the conduit (C) and an atomizer (16) rotatably mounted to the carriage (12) for rotation about the central axis thereof. The atomizer (16) is provided with a nozzle (62) through which the lining mixture is forced out while the atomizer (16) rotates and travels in conduit with the carriage (12).
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(Ogilvy Renault)
Mayo Tara L.
Novaliner Technologies Inc.
Will Thomas B.
LandOfFree
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