Continuously slitted roll-on tube shield

Details Continuously slitted roll-on tube shield Continuously slitted roll-on tube shield

1994-11-08

1996-12-10

Brinson, Patrick

Pipes and tubular conduits

Combined

With hose protector

138129, 138134, F16L 1100

Patent

active

055822126

ABSTRACT:
A shield that is normally positioned or wrapped around a boiler tube when such tube is exposed to extreme operating conditions. This shield consists of an elongated strip of thin material that is formed as a helix. This strip also incorporates a means for spacing this strip from the tube so as to create a gap between the tube and the shield. Generally the shield is secured to the tube by spot or button welding only the longitudinal end regions of the strip to the tube. By thus wrapping and securing one or more such shields to the tube, the tube is protected while still permitting both it and the shield(s) to expand and contract as needed.

REFERENCES:
patent: 92381 (1869-07-01), Smith
patent: 1977775 (1934-10-01), Patterson
patent: 2032753 (1936-03-01), James
patent: 2045568 (1936-06-01), Burd
patent: 2160240 (1939-05-01), Wallace et al.
patent: 2166448 (1939-07-01), Schuknecht et al.
patent: 2441321 (1948-05-01), Ingalls
patent: 3117371 (1964-01-01), Farley
patent: 3237796 (1966-03-01), Callahan
patent: 3468733 (1969-09-01), Dunlap, Jr. et al.
patent: 3616819 (1971-11-01), Dunlap, Jr. et al.

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