Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – Fusible element actuated
Patent
1977-08-01
1979-06-26
Broome, Harold
Electricity: electrothermally or thermally actuated switches
Electrothermally actuated switches
Fusible element actuated
337232, 338274, 338329, H01H 8516
Patent
active
041594584
ABSTRACT:
A component and method for applying end caps thereto is provided. A wire extends within a body defining a body sidewall and oppositely facing body ends with opposite end portions of the wire extending outwardly beyond the body ends and bent over so that they lie adjacent to each end of the body. Two end caps are provided, each having a cylindrical first portion and a cylindrical second portion with a diameter less than the first portion and joined to the first portion by an annular shoulder. The cylindrical second portion has an end wall so that the second portion defines a chamber. A solder and flux mixture is deposited in the chambers of the end caps which are then each applied to an end portion of the body with the cylindrical first portion compressively embracing the sidewall of the body adjacent one end thereof. The shoulder of the end cap bears against the body end to maintain the end wall of the cap at a predetermined distance from the body end and thereby prevent severance of the wire end portion. Heat is applied to each end cap to melt the mixture so that it flows around the wire end portion to form a solder bond between the end portion and the end cap.
REFERENCES:
patent: 1278911 (1918-09-01), Griffith
patent: 2532078 (1950-11-01), Baxter
patent: 2876312 (1959-03-01), Frederick
patent: 3914863 (1975-10-01), Wiebe
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