Eugene J Blanzy

US Patent:

41957857, Apr 1, 1980

Filed:

Nov 13, 1978

Appl. No.:

5/959648

Inventors:

Eugene J. Blanzy - Center Line MI

Assignee:

Lincoln Brass Works, Inc. - Detroit MI

International Classification:

B05B 114

US Classification:

239566

Abstract:

In a burner tube having burner ports formed by a series of struck-in tabs, improved structure wherein the tabs have trapezoidal shape to increase the amount of unsevered metal supporting each tab, each tab being formed by cutting through the tube wall along a line perpendicular to the tube axis and then simultaneously bending the tab inwardly and severing the tube wall from the ends of the cut along lines which converge in an outward direction.