|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B65D-006/00 B65D-008/00 B60K-015/03 F02M-037/00 F02M-037/22|
|우선권정보||JP-2005-183592 (2005-06-23); JP-2005-183598 (2005-06-23)|
|§371/§102 date||20090113 (20090113)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 1 인용 특허 : 9|
A fuel tank comprises an upper-half tank body (7) and a lower-half tank body (8) which are made of bowl-shaped steel plates and which integrally include a flange (7f) and a flange (8f) in their peripheral edges, respectively, the flanges (7f, 8f) being superposed on and liquid-tightly connected to each other. The flanges (7f, 8f) are connected together by crimping into a roll shape to form an annular thick-walled connection (12), and an annular reinforcing rib (7r, 8r) leading to the connection (12) is formed at least in one of the upper-half and lower-h...
1. A fuel tank comprising an upper-half tank body and a lower-half tank body which are made from bowl-shaped steel plates and which integrally include an upper flange and a lower flange in their peripheral edges, respectively, the upper and lower flanges being superposed on and liquid-tightly connected to each other, wherein the upper and lower flanges and a support plate flange, which is formed in a peripheral edge portion of a bowl-shaped bottom supporting plate arranged to cover a bottom surface of the lower-half tank body, are connected together by c...