Patent ID: 8752288

Claim:
A process for forming a leaf-spacer pair for use in a leaf seal which effects a seal between two components, the leaf-spacer pair having a leaf section which maintains wiping contact with one of the components and a root section which is fixed relative to the other component and from which the leaf section extends, the leaf-spacer pair further having a spacer which overlays the root section, wherein the process includes the steps of: (a) providing a region of sheet of substantially uniform thickness, the sheet region having a leaf section portion, a root section portion from which the leaf section portion extends, and a spacer portion which is connected to the root section portion along a fold line; (b) thinning the root section portion and/or the spacer portion, the leaf section portion retaining said thickness of the region of sheet provided in step (a); and (c) folding the spacer portion onto the root section portion along the fold line to form the leaf-spacer pair in which the spacer overlays the root section and the leaf section extends therefrom.