US 11,904,669 B2
Hemming structure and hemming method for hybrid-type door
Ki Hyun Choi, Whasung-Si (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Motors Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Motors Corporation, Seoul (KR)
Filed on Jun. 12, 2018, as Appl. No. 16/006,565.
Claims priority of application No. 10-2017-0168701 (KR), filed on Dec. 8, 2017.
Prior Publication US 2019/0176590 A1, Jun. 13, 2019
Int. Cl. B60J 5/04 (2006.01); B60J 10/86 (2016.01); B60J 10/80 (2016.01)
CPC B60J 5/0469 (2013.01) [B60J 5/0484 (2013.01); B60J 10/80 (2016.02); B60J 10/86 (2016.02)] 8 Claims
OG exemplary drawing
 
1. A hemming structure for a door, in which the door includes an internal panel and an external panel made of different materials, the hemming structure comprising:
the internal panel, the external panel and a sealer, wherein each of the internal panel and the external panel is provided with a contact area with end portions of the internal panel and the external panel contacting with each other at the contact area and wherein the internal panel and the external panel are stacked and bent together,
wherein the contact area includes a first contact area with the sealer applied onto a contact surface between the internal panel and the external panel, and a second contact area extending from the first contact area and being bent to contact with the internal panel at the first contact area,
wherein the second contact area is provided with a bonding portion at which the internal panel and the external panel are mechanically bonded to each other, and the bonding portion includes a first bonding portion and a second bonding portion, and
wherein the first bonding portion of the inner panel and the second bonding portion of the external panel are bent from a first side to a second side of the hemming structure, respectively so that the external panel, the sealer, the inner panel, the first bonding portion of the inner panel and the second bonding portion of the external panel are sequentially stacked from a lower side to an upper side of the hemming structure.