Safety shield for flanged pipe couplings

Details Safety shield for flanged pipe couplings Safety shield for flanged pipe couplings

1981-01-28

1983-09-13

Callaghan, Thomas F.

Pipe joints or couplings

With casing, lining or protector

174DIG8, 285 93, 285381, 285419, 285DIG22, F16L 4700

Patent

active

044037945

ABSTRACT:
A safety shield for containing and deflecting a fluid leaking from a flanged pipe coupling in the form of an arcuate strip of transparent fluoropolymer. The strip has a flange along each circumferential edge which is integral with the strip and extends radially inwardly thereof. The strip is of sufficient length to encase the circumference of the pipe coupling flange to which it is applied with the opposing ends overlapping and fastened together. The flanges closely engage the radial surfaces of the coupling flanges. The safety shield is obtained by heat-shrinking a heat-shrinkable tube of fluoropolymer while restricting radial shrinkage thereof except the marginal edge portions which become the flanges.

REFERENCES:
patent: 2585438 (1952-02-01), Clingman
patent: 2699960 (1955-01-01), Callery et al.
patent: 2708123 (1955-02-01), Risley et al.
patent: 2772034 (1956-11-01), Richmond, Jr.
patent: 3113790 (1963-12-01), Matthiessen
patent: 3265092 (1966-08-01), Ely, Jr. et al.
patent: 3379218 (1968-04-01), Conde
patent: 3387364 (1968-06-01), Boggs
patent: 3526683 (1970-09-01), Heslop et al.
patent: 3565116 (1971-02-01), Gabin
patent: 3567259 (1971-03-01), Benson et al.
patent: 3850451 (1974-11-01), Matthiessen
patent: 4141576 (1979-02-01), Lupke et al.
patent: 4216980 (1980-12-01), Shreve
Advertising Literature of Slickbar, Inc., Southport, Conn. entitled "Milsheff Spray-Stop Valve and Flange Covers" (copyright 1975).
Advertising Brochure of Ramco Manufacturing Company, Roselle Park, N.J. entitled "The Safety Shield Story" (1979).

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