Removable mold for forming high frequency antennas

Details Removable mold for forming high frequency antennas Removable mold for forming high frequency antennas

1975-02-18

1978-05-23

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Shaping or casting surface

249184, 343912, 425 90, 425175, 425182, 425436R, B29C 1300, B29C 1304

Patent

active

040908348

ABSTRACT:
A removable mold for forming high frequency antennae, such as a horn-reflector antenna. The removable mold may comprise a paraboloid-cylindrical section and a pair of half cone shells for forming respectively the paraboloid-cylindrical portion and the cone portion of the antenna. In assembling the mold, the shells are secured together and then the cylindrical section is fastened to the assembled shells. After the antenna has been formed, the mold is disassembled by first removing the paraboloid-cylindrical section, thereafter removing one of the shells and then the remaining shell; and all such mold parts being removed via the radiating aperture of the paraboloid-cylindrical portion of the antenna.

REFERENCES:
patent: 1604274 (1926-10-01), Gammeter
patent: 1984186 (1934-12-01), Haber
patent: 2273055 (1942-01-01), Manson
patent: 2655701 (1953-10-01), Hites
patent: 2882951 (1959-04-01), Fuchs, Jr. et al.
patent: 3152365 (1964-10-01), Fisher
patent: 3314091 (1967-04-01), Levaggi
patent: 3632277 (1972-01-01), Stalter

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