Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1989-10-11
1990-10-16
Askin, Laramie E.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
277189, 336 90, H01F 2702
Patent
active
049636960
ABSTRACT:
A tamper-resistant three-phase padmounted transformer is provided including a tank having electrical connections mounted on one wall thereof, and a cabinet fixedly attached to the tank forming a cabinet-to-tank interface therebetween. An elongated P-shaped gasket is positioned at the interface so as to completely fill such interface, and a rib is secured to the cabinet for overlying the interface to form a tamper-resistant cabinet-to-tank interface which prevents the intrusion of extraneous objects into the interior of the cabinet.
REFERENCES:
patent: 2705655 (1955-04-01), Brown et al.
Adkins Herbert S.
Borgmeyer Virgil L.
Owen Timothy C.
ABB Power T&D Company Inc.
Askin Laramie E.
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