Importance

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Abstract

The inventive concept relates to a method for manufacturing a metal based frame comprising the steps of: providing a first element (202) comprising a first element inner enveloping wall (204) surrounding an interior volume; providing a second element (210) having a second element outer wall (212), a second element inner wall (213), and a third element (220) having a third element outer wall (222), a third element inner wall, wherein the second element inner wall (213)and the third element inner wall each surrounds a free space (215); arranging the second element (210) and the third element (220) in the interior volume (208) such that an intermediate space (230) having an access opening (232) is formed between the first element inner enveloping wall (204) and the second element outer wall (212) and the third element outer wall (222) in a predetermined pattern; arranging a plurality of pieces of a wrought material (250) in the intermediate space (230); providing a closing member (240) arranged such that it covers at least the access opening (232) of the intermediate space (230), whereby the first element (202), the second element (210), the third element (220), the plurality of pieces of a wrought material (250), and the closing member (240) form an assembled frame arrangement (200); removing gas from the intermediate space; subjecting the assembled frame arrangement to a hot pressing process for a predetermined time at a predetermined pressure and a predetermined temperature such that at least the plurality of pieces of a wrought material bond metallurgically to each other, to form the metal based frame.

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First Claim