Pipes and tubular conduits – Combined – With end structure
Reexamination Certificate
2011-06-21
2011-06-21
Brinson, Patrick F (Department: 3754)
Pipes and tubular conduits
Combined
With end structure
C138S177000, C285S366000, C072S370110, C123S468000
Reexamination Certificate
active
07963298
ABSTRACT:
A fluid distribution pipe includes an elongate tubular body and a spherical end form integral with the tubular body at an inlet end. The spherical fluid connection end of the fuel rail is formed by plastic deformation. A series of tools and motions is used while the tubing of the fuel rail is clamped in place to form the spherical end form at the inlet end of the tubing. The resulting spherical end form provides the necessary geometry and surface finish to provide a successful seal and flexible connection of the fuel rail with a fuel line with significant cost advantages over current prior art methods.
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EP Search Report dated Jan. 22, 2010.
Brinson Patrick F
Delphi Technologies Inc.
Twomey Thomas N.
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