Pipes and tubular conduits – Distinct layers – Bonded to each other
Reexamination Certificate
2007-03-28
2010-10-12
Brinson, Patrick F (Department: 3754)
Pipes and tubular conduits
Distinct layers
Bonded to each other
C138S140000, C138S137000, C138S177000, C138SDIG011, C428S036910
Reexamination Certificate
active
07810524
ABSTRACT:
A resin composite hose includes a curved portion at an axial position thereof, and has a multilayer construction including a resin layer having permeation resistance to a transported fluid and serving as a barrier layer, an inner rubber layer and an outer rubber layer. The curved portion has a shape of progressively increasing a circumferential length while being flattened progressively increasingly from a curve beginning end of a perfect circle in cross-section to a curve terminal end or a curve middle portion of a flattened circle.
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Andrus Sceales Starke & Sawall LLP
Brinson Patrick F
Tokai Rubber Industries Ltd.
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