Vibration absorbing hose

Pipes and tubular conduits – Flexible – Corrugated

Reexamination Certificate

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Details

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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patent: 6240969 (2001-06-01), Wildermuth
patent: 6279615 (2001-08-01), Iio et al.

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