Pipe joints or couplings – Deformed – Both members
Patent
1978-01-04
1980-03-11
Larson, Lowell A.
Pipe joints or couplings
Deformed
Both members
2853825, 29523, F16L 1314
Patent
active
041925343
ABSTRACT:
Disclosed is novel high-voltage fuse which includes therein attached tubular members. A method of attaching one tubular member such as a hollow metallic conducting tube to another tubular member such as a hollow insulator tube of a high voltage fuse comprises the steps of inserting the metallic tube into the insulator tube to a desired location and then expanding the metallic tube radially outwardly at a position where engagement is desired until the metallic tube engages and at least partially fills an annular groove on the interior of the insulator tube. To further provide a moisture tight seal at the point of engagement, an elastomeric compound such as a room-temperature-vulcanizing silicone rubber may be placed in the groove to assure a moisture tight seal when the metallic tube is expanded. The exterior of the insulator tube is slightly deformed due to expansion of the metallic tube, and the quality of the connection between the tubes may be determined by the amount of this slight deformation.
REFERENCES:
patent: 2479702 (1949-08-01), Rood
patent: 2599646 (1952-06-01), Kozacka
patent: 2868868 (1959-01-01), Corey
patent: 3662309 (1972-05-01), Harmon
patent: 3699490 (1972-10-01), Macemon
patent: 4069573 (1978-01-01), Rogers, Jr. et al.
Bernatt Joseph
Steegmueller Alfred
Larson Lowell A.
S & C Electric Company
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