Structure for connecting tubular member to fuel tank

Details Structure for connecting tubular member to fuel tank Structure for connecting tubular member to fuel tank

2006-10-31

2006-10-31

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

End to side or plate

Sput

C285S423000, C285S201000

Reexamination Certificate

active

07128346

ABSTRACT:
An cylindrical convex portion of which opposite ends are open is integrally formed onto a fuel tank made of HDPE therewith so as to inwardly extend in the fuel tank to provide an opening thereon. A press-fit portion of a filler hose connecting pipe made of PA as a tubular member is press-fitted in the cylindrical convex portion to connecting the tubular member to the fuel tank. At least one continuous annular projection is provided on the outer peripheral surface of the press-fit portion of the tubular member so as to bite into the inner peripheral surface of the cylindrical convex portion to provide continuous circumferential contact. A face of the annular projection in direction axially of one end of tubular member is formed so as to extend outwardly and inclinedly with respect to the axial direction of the tubular member form one end toward the other end thereof.

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