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AssigneeCanon Kabushiki Kaisha
InventorsTetsuya Numata, Makoto Hayashida, Naoki Maeda, Kayo Mitsugi
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A manufacturing method of a cartridge, the cartridge being attachable to an apparatus main body of an image forming apparatus, the cartridge including a first member and a second member, the first member including a receiving surface and a retaining portion, and the second member including a contact surface in contact with the receiving surface. In the manufacturing method, the first member and the second member are held so that the contact surface covers the retaining portion and so that the contact surface and the receiving surface are in contact with each other and joined by ultrasonic spot welding so that a recess recessed towards the retaining portion is formed in the second member and so that at least part of a fused portion of the first member and the second member enters the retaining portion.
A manufacturing method of a cartridge, the cartridge being attachable to an apparatus main body of an image forming apparatus, and the cartridge including a first member and a second member, the first member including a receiving surface and a retaining portion, and the second member including a contact surface in contact with the receiving surface, the manufacturing method comprising:
A cartridge being attachable to an apparatus main body of an image forming apparatus, the cartridge comprising:
Dependencies are inferred from the claim text.