Split ring casting for boiler tubes with protective shields

Details Split ring casting for boiler tubes with protective shields Split ring casting for boiler tubes with protective shields

2007-02-27

2007-02-27

Wilson, Gregory (Department: 3749)

Liquid heaters and vaporizers

Tubes and connections

C248S901000, C165S172000

Reexamination Certificate

active

10802474

ABSTRACT:
A series of upright boiler tubes periodically exposed to the abrasive action of a stream of blowing fluid cleaning medium. Vertically spaced shields mounted on the boiler tubes for protection from the fluid cleaning medium. A split ring casting located between the protective shields to maintain the boiler tubes in an aligned and fixed spaced relationship. The split ring casting is sized to overlap adjacent portions of the protective shields thereby covering any gaps exposing the boiler tubes to the action of the fluid cleaning medium.

REFERENCES:
patent: 3809018 (1974-05-01), Pratt et al.
patent: 4285396 (1981-08-01), Schwoerer et al.
patent: 5404941 (1995-04-01), Jacksits
patent: 5724923 (1998-03-01), Green
patent: 6006702 (1999-12-01), Harth et al.

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