Method of manufacturing tube, and tube
AssigneeMitsubishi Hitachi Power Systems, Ltd.
InventorsTadakazu Sakaguchi, Hirokazu Nishimura
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Abstract
A method of manufacturing a tube, and a tube, the method comprising the steps of: coupling in position a first tube body and a second tube body by inserting a first insert portion of a connecting pin into an end portion of a first hole of the first tube body and inserting a second insert portion into an end portion of a first hole of the second tube body; welding all around an outer circumferential portion of the coupled portion of the first tube body and the second tube body and all around an inner circumferential portion of the first holes in which the connecting pin is inserted; and removing the connecting pin remaining inside the first hole of the first tube body and the first hole of the second tube body.
Claims6
A method of manufacturing a tube provided with a first tube body, which includes a plurality of holes, and a second tube body, which includes a plurality of holes, wherein the first tube body and the second tube body are joined, the method comprising the steps of:
- coupling in position the first tube body and the second tube body by inserting a first end portion of a connecting pin into an end portion of a hole of the plurality of holes of the first tube body and inserting a second end portion of the connecting pin into an end portion of a hole of the plurality of holes of the second tube body;
- welding all around an outer circumferential portion of the coupled portion of the first tube body and the second tube body and all around an inner circumferential portion of the holes in which the connecting pin is inserted;
- and
- removing the connecting pin remaining inside the holes of the first tube body and the second tube body.
Dependencies are inferred from the claim text.