Waveguide and process for making the same

Details Waveguide and process for making the same Waveguide and process for making the same

1975-12-24

1977-08-23

DiPalma, VictorA.

Metal working

Method of mechanical manufacture

Electrical device making

29728, 333 95R, H01P 1100, H01P 312

Patent

active

040430294

ABSTRACT:
A process for the manufacture of a circular helix waveguide comprising a helically wound insulated metallic wire covered with a barrier layer and forming a wound and wrapped structure itself covered by a metallic screen, wherein a metal band is shaped into a tube, the contiguous edges of the said band are welded by a high frequency current in such a way that after welding the internal diameter of the shaped tube is a few millimeters greater than the external diameter of the wound and wrapped structure, the said tube is placed around the said structure, then the said tube is shaped into a cylinder with a circular base on the said structure to constitute the said metallic screen.

REFERENCES:
patent: 3023300 (1962-02-01), Lehnert
patent: 3529340 (1970-09-01), Polizzano et al.
patent: 3605046 (1971-09-01), Miller
patent: 3769697 (1973-11-01), Priaroggia et al.
patent: 3779846 (1973-12-01), Kleykamp et al.
patent: 3952407 (1976-04-01), Aupoix et al.

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