Pipeline coating method

Details Pipeline coating method Pipeline coating method

1981-09-30

1983-12-06

Hoffman, James R.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156224, 427140, 427142, 427230, 427235, 427238, 427239, B05D 722, B32B 108

Patent

active

044191634

ABSTRACT:
A one step method of applying a sealant onto the inside surface of a pipe, such as a gas pipe, to repair any defective portions that are likely to cause a leak and should be repaired. The sealant is applied and it is then dried and solidified to seal the leak portions of the pipe. Preferably, an injection means is used for supplying the sealant in a cylindrical shape so that every portion of the inner surface of the pipe will be coated.

REFERENCES:
patent: 2675333 (1954-04-01), Trout et al.
patent: 3287148 (1966-11-01), Hilbush et al.
patent: 3974306 (1976-08-01), Inamura et al.
patent: 4325772 (1982-04-01), Suetoshi et al.

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