F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
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F28D 11/00 (2006.01) B21D 53/02 (2006.01) B21D 53/08 (2006.01) F28D 11/02 (2006.01) F28D 11/04 (2006.01) F28F 1/32 (2006.01)
Patent
CA 1079265
ABSTRACT OF THE DISCLOSURE Annular fins for a heat exchanger are fabricated in circumferential segments, arranged end to end, with each segment having inner and outer edges of identical but radially spaced contour, so that such segments can be stamped from a blank without any scrap created between the common edges of adjacent segments.
247904
Macdonald Robert D.
Rose Robert K.
E.i. Du Pont de Nemours And Company
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