Method of coating or lining metals

Details Method of coating or lining metals Method of coating or lining metals

1980-08-20

1982-11-23

Combs, Ervin M.

Metal working

Method of mechanical manufacture

Shaping by direct application of fluent pressure

29523, 72 54, B23P 1700

Patent

active

043598110

ABSTRACT:
Coating or lining normally-corrodible tubular metal shapes with corrosion-resistant metal coatings or linings is effected by placing the tubular metal shape in concentric telescopic relationship with a tubular shape of the corrosion-resistant metal to provide an assembly consisting of an inner tubular member and an outer tubular member, closing the ends of the inner member, introducing a liquid into the interior of the inner member to fill that member, and then freezing the liquid while confined in the inner member, whereby the outer wall of the inner member is expanded into firm contact with the inner wall of the outer member. The process is typically applied to an assembly of the two shapes in concentric telescopic relationship with one of the shaped defining an inner member and the other of the shapes defining an outer member, a first cap and a second cap enclosing the ends of the inner member in fluid-tight relationship, and means for introducing a liquid through one of the caps.

REFERENCES:
patent: 714903 (1912-12-01), Hinds
patent: 2263714 (1941-11-01), Bloomfield et al.
patent: 2458189 (1949-01-01), Morgan
patent: 2487257 (1949-11-01), Morgan
patent: 2982360 (1961-05-01), Morton et al.
patent: 3432905 (1969-03-01), Monroe
patent: 4198740 (1980-04-01), Prevender

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