Parabolic reflector and method of forming the same

Details Parabolic reflector and method of forming the same Parabolic reflector and method of forming the same

F - Mech Eng,Light,Heat,Weapons

24

J

88/113, 181/18,

F24J 3/02 (1980.01)

Patent

CA 1114259

PARABOLIC REFLECTOR AND METHOD OF FORMING THE SAME ABSTRACT OF THE INVENTION A parabolic reflector is made of sheet material from a flat pliable elongated blank bent to form a parabolically curved shield shaped member. Both blank and member have continuously varying transverse widths from end to end thereof and terminate in a pointed lobe at one end or in two pointed lobes at opposite ends. Opposite lateral edges of the blank and member are op- positely curved. The blank and member are symmetrical on opposite sides of a central longitudinal line. The member is parabolically curved longitudinally from end to end and is straight transversely from end to end. The member can be formed by applying a force to the pointed end of single lobed blank while clamping the other end, or by applying equal forces to the pointed ends of a double lobed member. A plurality of parabolically curve members may be disposed side-by-side to increase the area of reflection. A plurality of double lobed members may be attached together at their centers and spread angularly apart to define a parabolic bowl.

311241

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