Patent ID: 6257314
Filing Date: 2001-07-10
Classification: B22D

Abstract:
A radiating device forming assembly comprising:(a) a lower mold;(b) an upper mold coupled to said lower mold to substantially enclose an inner chamber therebetween, one of said upper and lower molds having formed therein a filling hole communicating with said inner chamber;(c) an aluminum radiating piece disposed within said inner chamber, said radiating piece having longitudinally opposed end portions, said radiating piece having a corrugated contour defined by a plurality of substantially parallel fin sections each extending longitudinally between said end portions, adjacent ones of said fin sections defining therebetween a longitudinally extending slot; and,(d) first and second movable molds respectively engaging said end portions of said radiating piece, each said first and second movable mold including a plate portion and a plurality of spaced inserting plates projecting longitudinally therefrom, each said inserting plate inserting into one said radiating piece slot, terminal ends of said first movable mold inserting plate respectively engaging in longitudinally opposed manner terminal ends of said second movable mold inserting plates to thereby partition in said inner chamber substantially isolated upper and lower spaces;whereby a molten aluminum may be introduced through said filling hole into one of said upper and lower spaces and thereafter solidified to integrally form a radiating device having said fin sections projecting at least partially therefrom.