Corrugated laminated tube
 A corrugated or convoluted laminated tube has a wall formed by an outer resin layer formed from e.g. nylon and a thin inner layer of a THV terpolymer bonded to its inner surface. It is high in flexibility, etc., has a low fuel permeability and is not deformed by swelling with fuel. 
Tokai Rubber Industries, Ltd.
Y F F F
Y10S F16L F16L F16L
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Atsuo Hiroaki Tomohide Yoshimitsu
Miyajima Ito Ito Ishida