Pipe member for buried conduit with corrosion protection and pro

Details Pipe member for buried conduit with corrosion protection and pro Pipe member for buried conduit with corrosion protection and pro

1995-08-17

1998-01-13

Brinson, Patrick F.

Pipes and tubular conduits

Distinct layers

Coated

138143, 428 3671, 428632, F16L 5500

Patent

active

057068666

ABSTRACT:
A cast iron piping system element has an outer coating comprising a first, inner porous layer consisting of zinc/aluminum alloy containing from 5 to 60% of aluminum, and a second, outer pore occluding layer of an organic or mineral binder in an aqueous, solvent or powder phase with a thickness of 100-140 .mu.m.

REFERENCES:
patent: 4853297 (1989-08-01), Takahashi et al.
patent: 4885215 (1989-12-01), Yoshioka et al.
patent: 5126210 (1992-06-01), Wieserman et al.
patent: 5151308 (1992-09-01), Moskowitz et al.
patent: 5300336 (1994-04-01), Wong et al.
patent: 5356679 (1994-10-01), Houis et al.

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