Pipes and tubular conduits – Flexible – Corrugated
Reexamination Certificate
2006-01-10
2006-01-10
Brinson, Patrick (Department: 3754)
Pipes and tubular conduits
Flexible
Corrugated
C138S126000, C138S122000, C138S173000, C138S124000
Reexamination Certificate
active
06983769
ABSTRACT:
A vibration absorbing hose including a corrugated portion has multi-layered construction of tubular inner rubber layer, pressure resistant reinforcement layer formed on an outer side of the inner rubber layer by providing reinforcing yarns. A radial depth B of the pressure resistant reinforcement layer at a position of each of corrugation valleys of the rubber layer has such relationship with respect to a corrugation valley depth A of the rubber layer as 0< or =B< or =0.7×A, and an opening angle θ of each of the corrugation valleys of the rubber layer satisfies θ< or =100°.
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Arima Tetsuya
Furuta Norihiko
Ikemoto Ayumu
Brinson Patrick
Tokai Rubber Industries Ltd.
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