CPC B23K 1/0008 (2013.01) [B23K 1/20 (2013.01); B23K 2101/006 (2018.08)] | 15 Claims |
1. A manufacturing method, comprising:
forming a plurality of first apertures in a first plate to provide an apertured first plate, the apertured first plate comprising first plate metal;
forming a plurality of second apertures in a second plate to provide an apertured second plate, the apertured second plate comprising second plate metal;
bonding the apertured first plate and the apertured second plate to a base sheet to form a structure, the base sheet comprising base sheet metal; and
bending the base sheet to form a bend in the structure between the apertured first plate and the apertured second plate, wherein a channel is formed by and between the base sheet, the apertured first plate and the apertured second plate along the bend in the structure.
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