Metal working – Method of mechanical manufacture – Electrical device making
Patent
1993-11-10
1995-09-12
Larson, Lowell A.
Metal working
Method of mechanical manufacture
Electrical device making
72370, B21C 3730
Patent
active
054488214
ABSTRACT:
Disclosed is a method for the manufacture of a waveguide or a part of a waveguide from a casting, said waveguide comprising at least one part along which two parts of walls of the waveguide, a first part and a second part, must remain parallel to each other, with a spacing between them that is equal to a distance X with a tolerance value of x, the caster's tolerance value for the dimension X being f, wherein the part coming from the casting process is conformationally shaped with at least one of its first or second walls comprising embossed features, and wherein these embossed features are reduced by passes with a tool that is pushed or drawn in parallel to the first and second walls. FIG. 1.
REFERENCES:
patent: 3066557 (1962-12-01), Stevens
patent: 3763543 (1973-10-01), Strauch et al.
Soviet Inventions Illustrated, Section Ch: Chemical, Week B02, 594,192 Issued Feb. 21, 1979, p. 129.
"Thomson-CSF"
Larson Lowell A.
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