Method of making rolls for forming radar reflective surfaces

Details Method of making rolls for forming radar reflective surfaces Method of making rolls for forming radar reflective surfaces

1977-09-12

1979-04-17

Moon, Charlie T.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291212, 29434, 29445, 51289R, 51326, 76107R, 72196, B21K 102, B21K 520, B23P 1900

Patent

active

041493044

ABSTRACT:
A plurality of concave or convex cube corners are formed in a radar transparent solid or on a reflective substance in a uniform repetitive pattern. The reflective substance may be flexible so as to adapt to warped surface mounting, as for instance on the outer surface of aircraft access panels or other outer recessed panels. A smooth optical blank may be ground by passing the same beveled cutting wheel across the back side of the blank along three paths diverging 120.degree.. A flexible reflector may be formed by passing the substance between gear-connected rollers patterned in male and female fashion with the cube corner pattern. The invention may be utilized in radar reflectors on vehicles of various sorts to make them more visible to radar emergency situations as encountered by downed aircraft, ships in fog, or lost individuals.

REFERENCES:
patent: 1430385 (1922-09-01), Komarek
patent: 1822451 (1931-09-01), Oestnaes
patent: 2203200 (1940-06-01), Komarek
patent: 2572275 (1951-10-01), Millmather, Jr.
patent: 3022231 (1962-02-01), Broderick
patent: 3042996 (1962-07-01), Nelson
patent: 3079741 (1963-03-01), Render
patent: 3905283 (1975-09-01), Baker
patent: 3979859 (1976-09-01), Miller

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