B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/20 (2006.01) B05D 7/22 (2006.01) C04B 41/52 (2006.01) C04B 41/63 (2006.01) C04B 41/70 (2006.01) E03F 3/06 (2006.01) F16L 55/164 (2006.01) F16L 55/165 (2006.01) F16L 58/10 (2006.01)
Patent
CA 2152680
A concrete fluid structure deteriorated to the condition of removal of substance of the concrete by sulfuric acids and like corrosive material in contact therewith is restored by a substratum (28) of epoxy foam, polyurethane foam, or a combination thereof having a relatively thin layer (34) of polyvinyl chloride or polyethylene bonded to the outward facing surface (32) of the foam and bonding the layer to the structure. A method for forming the substratum in the location of the deteriorated structure is described.
Bertram Richard L.
Nexus Law Group Llp
LandOfFree
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