Process for making tube in sheet heat exchangers

Details Process for making tube in sheet heat exchangers Process for making tube in sheet heat exchangers

1979-01-29

1980-10-14

Husar, Francis S.

Metal deforming

By application of fluent medium, or energy field

291573V, 72 61, B23P 1526

Patent

active

042273919

ABSTRACT:
An apparatus and process for forming an opening in a composite metal panel on an edge of the panel at a position wherein the opening is to be formed and hammered to delineate a bond interface. The opening is formed between the sheets of the panel and inwardly of the edge thereof starting from the delineated bond interface. The opening is adapted to provide a means for communicating a fluid under pressure for inflating tubular passageways in the panel.

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