Flexible tube having a variable stiffness bellows
Granted 11 Sep 2001 · no office action yet
Current assignee: E. I. Du Pont De Nemours And Company · originally DuPont
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Inventors: Michel Claude Renaud · Examiner: Robin V. Taylor · AU 2911 · TC 2900
Life of the patent
4 dated eventsDescription
1 parts›FIG. 1 is a perspective view of a…
FIG. 1 is a perspective view of a flexible tube having a variable stiffness bellows showing my new design;
FIG. 2 is a front view thereof, the rear being identical;
FIG. 3 is a side view thereof;
FIG. 4 is another embodiment thereof;
FIG. 5 is a front view thereof, the rear being a mirror image; and,
FIG. 6 is a side view.
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