Tube shield

Details Tube shield Tube shield

1991-08-23

1992-10-13

Favors, Edward G.

Heat exchange

With protector or protective agent

122DIG13, F28F 1900

Patent

active

051546485

ABSTRACT:
A tube shield for protecting the tubes of heat exchangers, such as boilers and condensers, from hostile elements. The tube shield includes an axially elongated arcuate protector member and a plurality of spring clips secured to the axial free edges of the protector member at spaced locations along the length of the protector member. The spring clips are sized and configured such that they splay outwardly as the protector member is pressed downwardly over an associated tube to pass the maximum diameter of the tube and thereafter move inwardly in a spring biased manner to bitingly engage the exposed portion of the tube to preclude inadvertent separation of the protector from the tube.

REFERENCES:
patent: 1942211 (1934-01-01), Hartwig
patent: 2646818 (1953-07-01), Bimpson
patent: 3318374 (1967-05-01), Block
patent: 3850146 (1974-11-01), Graham et al.
patent: 3999600 (1976-12-01), Bell
patent: 4619314 (1986-10-01), Shimoda
patent: 4667733 (1987-05-01), Bessouat et al.
patent: 4682568 (1987-07-01), Green et al.
patent: 4776790 (1988-10-01), Woodruff
patent: 4809645 (1989-03-01), Fournier et al.
Helmick Corporation Brochure, "Eliminate boiler and condenser tube failure with Helmick Tube Shields" (2 pp.).

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