Compressor blade and method of forming same
United States Patent 2859936

Inventors:
Warnken, Elmer P.
Publication Date:
11/11/1958
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Assignee:
CINCINNATI TESTING & RES LAB
Primary Class:
416/225
Other Classes:
264/DIG.053, 273/DIG.007, 264/229, 416/241A, 156/296, 416/220R, 416/230
International Classes:
B29C45/00; B29C45/14; B29C70/40; B29C70/48; B29C70/56; B29C70/86; B29D31/00; B64C11/20; F01D5/28; B29C70/00; B29C70/04; B64C11/00
US Patent References:
2621140Method for molding propeller blades
2630868Plastic rotor blade
Foreign References:
GB501649A
GB502409A