Insulated joint and method for producing same

Details Insulated joint and method for producing same Insulated joint and method for producing same

1981-04-03

1984-05-01

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

Insulated

285284, 285DIG12, 428432, 501 32, 501 75, F16L 1112

Patent

active

044457154

ABSTRACT:
An insulated joint and a method for producing the joint in which first and second tubular members are joined together with an insulating member disposed in the gap therebetween. The first tubular member includes a cylindrical body with an outer circumferential portion having a larger internal diameter than the external diameter of the cylindrical body while the second tubular member has the same internal and external diameters as those of the cylindrical body of the first tubular member. At least a portion of the second tubular member is fitted in the outer circumferential portion of the first tubular member with a gap therebetween. An insulating member is disposed in the gap to hermetically couple the first and second tubular members while insulating them from each other.

REFERENCES:
patent: Re15727 (1923-12-01), Broadbent
patent: 2136877 (1938-11-01), Clamart
patent: 2322587 (1943-06-01), Payne
patent: 2558878 (1951-07-01), Richardson
patent: 3353563 (1967-11-01), Hutton
patent: 3515346 (1970-06-01), MacVaugh
patent: 3906147 (1975-09-01), Pirooz
patent: 4171832 (1979-10-01), Metcalfe

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