Pipes and tubular conduits – Flexible – Corrugated
Reexamination Certificate
2006-02-28
2006-02-28
Brinson, Patrick (Department: 3754)
Pipes and tubular conduits
Flexible
Corrugated
C138S122000, C138S173000, C138S126000, C138S124000
Reexamination Certificate
active
07004201
ABSTRACT:
A vibration absorbing hose has a corrugated portion extending substantially entire part of the hose and end portions of straight cylindrical shape. The vibration absorbing hose has multi-layered construction of tubular inner rubber layer, pressure resistant reinforcement layer circumscribing an outer side of the inner rubber layer and outer rubber layer as outermost cover layer. The pressure resistant reinforcement layer is formed, for example, by braiding reinforcing yarns, so as to have corrugations along the corrugated portion of the inner rubber layer.
REFERENCES:
patent: 3279502 (1966-10-01), Waddell, Jr.
patent: 3626988 (1971-12-01), Chu
patent: 5485870 (1996-01-01), Kraik
patent: 6279615 (2001-08-01), Iio et al.
Arima Tetsuya
Furuta Norihiko
Ikemoto Ayumu
Andrus Sceales Starke & Sawall LLP
Brinson Patrick
Tokai Rubber Industries Ltd.
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