Title:
Hollow propeller blade with bulbed core
United States Patent 2652121
US Patent References:
Method of making tubes
- - 1854550
Method of forming a propeller
- - 1869478
Method of making propeller blades
- - 1927247
Aircraft of the rotative wing type
- - 1950080
Method of producing propeller blades
- - 2081645
Method of making tubes
- - 1854550
Method of forming a propeller
- - 1869478
Method of making propeller blades
- - 1927247
Aircraft of the rotative wing type
- - 1950080
Method of producing propeller blades
- - 2081645
Inventors:
Kearns Jr., Charles M.
Lampton, Glen T.
Lampton, Glen T.
Publication Date:
09/15/1953
View Patent Images:
Export Citation:
Assignee:
UNITED AIRCRAFT CORP
Primary Class:
Other Classes:
29/889.610, 72/61
International Classes:
B64C11/24; B64C11/00
US Patent References:
| 2259247 | Propeller blade | |||
| 2262163 | Propeller blade | |||
| 2272439 | Aircraft sustaining rotor blade | |||
| 2364635 | Propeller blade | |||
| 2366164 | Brazing | |||
| 2451099 | Method of uniting metal pieces by means of a bonding layer of predetermined thickness | |||
| 2465007 | Aircraft propeller | |||
| 2496169 | Variable pitch propeller | |||
| 2511858 | Method of making propeller blades | |||
| 2511862 |
Foreign References:
| FR877664A |