A ruled surface 
is a tangent developable of a curve 
if 
can be parameterized by 
. A tangent developable is a developable
surface.
Tangent Developable
See also
Binormal Developable, Developable Surface, Normal DevelopableExplore with Wolfram|Alpha
References
Gray, A. "Tangent Developables." §19.3 in Modern Differential Geometry of Curves and Surfaces with Mathematica, 2nd ed. Boca Raton, FL: CRC Press, pp. 441-444, 1997.Referenced on Wolfram|Alpha
Tangent DevelopableCite this as:
Weisstein, Eric W. "Tangent Developable." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/TangentDevelopable.html