Method of forming heat dissipating fins

Details Method of forming heat dissipating fins Method of forming heat dissipating fins

1997-12-01

1999-12-14

Cuda, I.

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

29521, 29557, B23P 1526

Patent

active

060001321

ABSTRACT:
A method of fabricating a heat sink, including the steps of providing a base plate having a plurality of grooves therein, providing a plurality of blanks each having bell-bottom shaped foot portions on opposite sides thereof, separating each blank into a pair of mirror image heat fin portions, each of the heat fin portions having one of the bell-bottom shaped foot portions and a plurality of tongues projecting therefrom, positioning the heat sink fin portions with the bell-bottom shaped foot portions in respective ones of the grooves of the base plate, and swaging the bell-bottom shaped foot portions into the grooves, thereby creating the heat sink with the tongues projecting from the base plate.

REFERENCES:
patent: 4879891 (1989-11-01), Hinshaw
patent: 4884331 (1989-12-01), Hinshaw
patent: 5014776 (1991-05-01), Hess
patent: 5351748 (1994-10-01), Dagan
patent: 5381859 (1995-01-01), Minakami
patent: 5406698 (1995-04-01), Lipinski
patent: 5419041 (1995-05-01), Ozeki
patent: 5421406 (1995-06-01), Furusawa
patent: 5499450 (1996-03-01), Jacoby
patent: 5542176 (1996-08-01), Serizawa et al.
patent: 5590712 (1997-01-01), Fisher et al.

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