Method of forming ports in a fuel burner

Details Method of forming ports in a fuel burner Method of forming ports in a fuel burner

1976-03-18

1977-10-25

Larson, Lowell A.

Stoves and furnaces

Stoves

Cooking

72326, 126 39E, 431349, B21D 2810

Patent

active

040551326

ABSTRACT:
A method of forming ports in a fuel burner wherein the ports are formed in a single stroke employing a tool having a plurality of punch members arranged in an array corresponding to the configuration of the burner body that may be a complex shape. The burner body and tool structure are supported for relative movement toward and away from each other. The tool structure and body are moved toward one another to form the array of ports in the burner body in a single relative motion. This motion is terminated before the material punched by the tool is severed from the burner body.

REFERENCES:
patent: 146665 (1874-01-01), Foxwell
patent: 1044283 (1912-11-01), Stanger
patent: 2044528 (1936-06-01), Guhl
patent: 2220247 (1940-11-01), Kochendorfer et al.
patent: 2590807 (1952-03-01), Voslamber
patent: 3386431 (1968-06-01), Branson

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