Method of making a multiple-pin heatsink

Details Method of making a multiple-pin heatsink Method of making a multiple-pin heatsink

1987-01-16

1988-03-29

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29522R, 29798, 403274, 165185, 165 803, B23P 1100

Patent

active

047334533

ABSTRACT:
A method of making a multiple-pin heatsink which includes forming in the upper surface of a die member a plurality of pin-receiving holes, each with a depth which is less than the length of a respective pin and forming in a base element a plurality of pin-receiving holes which correspond to the pin holes in the die member. The pins are introduced into the holes in the die member and the base element is mounted on the upper surface of the die member so that each pin extends through and above a respective hole in the base element. Sufficient downward force is applied to the upper ends of the pins to cold swage the pins into permanent attachment with the base element and the attached pins and base element are then removed from the die member.

REFERENCES:
patent: 418198 (1889-12-01), Lemp et al.
patent: 1900099 (1933-03-01), Ferguson
patent: 2163683 (1939-06-01), Heller
patent: 2366756 (1945-01-01), Spencer
patent: 2722048 (1955-11-01), Gier, Jr.
patent: 2955351 (1960-10-01), McCreadie
patent: 3257708 (1966-06-01), Stricker
patent: 3327779 (1967-06-01), Jacoby
patent: 3847700 (1974-11-01), Dalol et al.
patent: 4574330 (1986-03-01), Cohen et al.

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