End cap assembly for a fluid resistant electrical device

Details End cap assembly for a fluid resistant electrical device End cap assembly for a fluid resistant electrical device

1985-11-22

1986-12-09

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337158, 337251, 228136, 228 60, 29623, H01H 8514, H01H 8504

Patent

active

046282947

ABSTRACT:
An end cap assembly for a fluid resistant electrical device includes a solderable insulating tube end cap and an insert having a solderable cylindrical body portion positioned within a tubular opening of the end cap. The body portion of the insert has a circumscribing groove containing a quantity of solder. During assembly, the walls of the end cap defining the tubular opening are magneformed inwardly to tightly engage the body portion and thus provide limited frictional resistance to movement of the insert relative to the end cap. Next, the end cap and insert are heated until the solder melts. The end cap assembly provides a strong, torque resistant connection between the insert and the end cap while also maintaining a highly effective seal to preclude fluid leakage when the device is immersed.

REFERENCES:
patent: 3333336 (1967-08-01), Cameron et al.
patent: 4146862 (1979-03-01), Mikulecky

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