Pipe joints or couplings – With assembly means or feature – Molded joint facilitator
Reexamination Certificate
2005-03-15
2005-03-15
Nicholson, Eric K. (Department: 3679)
Pipe joints or couplings
With assembly means or feature
Molded joint facilitator
C285S136100, C285S285100, C285S288100, C285S423000, C137S202000
Reexamination Certificate
active
06866297
ABSTRACT:
A welded structure constituted of a fuel filling container having an opening, and a welded part including a pipe-shaped section whose one end is disposed in the opening of the fuel filling container. A welding section is fixedly disposed around the outer periphery of the pipe-shaped section. The welding section is welded through a welding surface to the outer surface of the fuel filling container. In the welded structure, the welding section of the welded part includes a welding strength providing layer and a fuel permeation resistance layer which are coaxial with the pipe-shaped section of the welded part and radially laminated to define the annular welding surface. Additionally, at least an inner peripheral surface portion of the pipe-shaped section and an outer peripheral surface portion of the other end portion of the pipe-shaped section are formed of a fuel permeation resisting material.
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Honma Masami
Kumagai Hiroshi
Morohoshi Katsumi
Satou Tomoyuki
Yamada Mitsuo
Nicholson Eric K.
Nissan Motor Co,. Ltd.
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