Method of attaching a lead to a metal end cap of a safety fuse

Details Method of attaching a lead to a metal end cap of a safety fuse Method of attaching a lead to a metal end cap of a safety fuse

1986-06-05

1988-05-24

Albritton, C. L.

Electric heating

Metal heating

By arc

29623, 337232, 337252, 338215, B23K 2600

Patent

active

047467843

ABSTRACT:
A method of attaching a lead to a metal end cap of an otherwise complete miniature-type safety fuse having a fuse element secured to the interior of said end caps by connecting means, is characterized in that the attaching is effected by a soldering operation which comprises holding one end of said lead against said end cap, wherein the region where attachment is to take place there is a given amount of solder, and supplying to said region a metered amount of energy in the form of one or more energy pulses producing over a given period enough total energy to melt said quantity of solder, but of insufficient total energy to penetrate through said end cap and adversely affect the bonding of said fuse element thereto.

REFERENCES:
patent: 3793604 (1974-02-01), Duggan et al.
patent: 3911246 (1975-10-01), Drinkard, Jr.
patent: 4016527 (1977-04-01), Francis et al.
patent: 4320281 (1982-03-01), Cruickshauk et al.
patent: 4587395 (1986-05-01), Oakley et al.
J. B. Harris, IBM Technical Disclosure Bulletin, "Solder Planarity Device", vol. 14, No. 9, Feb. 1972, p. 2773.

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