Pipes and tubular conduits – Distinct layers – With intermediate insulation layer
Patent
1983-04-28
1985-04-09
Bryant, III, James E.
Pipes and tubular conduits
Distinct layers
With intermediate insulation layer
138157, 138120, 138161, F16L 914
Patent
active
045095612
ABSTRACT:
An insulation device for surrounding the uninsulated, adjoining end portions of a preinsulated pipe comprising a plurality of axially extending cylinder segments adapted to be circumferentially joined to form a cylindrical insulating jacket around the uninsulated end portions. The cylinder segments in their undeformed states have a length slightly greater than the combined length of the uninsulated adjoining end portions. The cylindrical insulating jacket has an inside diameter generally conforming to the outside diameter of the uninsulated end portions and an outside diameter generally conforming to the outside diameter of the preinsulated pipe. Each cylinder segment has at least a first pair of rigid arcuate sections and a first resilient arcuate section sandwiched therebetween. The first resilient arcuate sections of all of the cylinder segments are longitudinally positioned in the cylindrical jacket to fall substantially in the same transverse plane.
REFERENCES:
patent: 3081098 (1963-03-01), Stephens
patent: 3453716 (1969-07-01), Cook
patent: 4025091 (1977-05-01), Zeile
patent: 4219225 (1980-08-01), Sigmund
patent: 4221405 (1980-09-01), Stonitsch et al.
patent: 4294454 (1981-10-01), Cannings
Bryant III James E.
Ethridge Christine
Power Piping Company
Yeager Robert D.
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