Pipes and tubular conduits – Flexible – Spirally wound material
Reexamination Certificate
2003-11-11
2010-06-15
Brinson, Patrick F (Department: 3754)
Pipes and tubular conduits
Flexible
Spirally wound material
C138S129000, C138S133000, C138S172000, C138S138000
Reexamination Certificate
active
07735524
ABSTRACT:
A hose (10) comprising a tubular body (12) of flexible material arranged between an inner and an outer helically wound wire (22, 24). The hose (10) further comprises an elongate member having opposing longitudinal edges, the elongate member being helically wound around the tubular body such that the opposing longitudinal edges of the layer are in an adjacent or overlapping arrangement, wherein each longitudinal edge includes a formation capable of interengaging with a cooperating formation on the opposing longitudinal edge.
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Burke Raymond Nicholas
Cox David Charles
Davis Eric Joseph
Hall Gerard Anthony
Ridolfi Matthew Vernon
BHP Billiton Petroleum Pty Ltd
Brinson Patrick F
Rankin , Hill & Clark LLP
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