Title:
Aluminum sheathed heating elements in aluminum die castings
United States Patent 2890318
US Patent References:
Electric heater
- - 1359400
Electrical resistance element
- - 2213969
Pressure casting apparatus
- - 2220776
Heating apparatus
- - 2389587
Electric iron
- - 2684428
Electric heater
- - 1359400
Electrical resistance element
- - 2213969
Pressure casting apparatus
- - 2220776
Heating apparatus
- - 2389587
Electric iron
- - 2684428
Inventors:
Kruse, Marvin A.
Publication Date:
06/09/1959
View Patent Images:
Export Citation:
Assignee:
FERRO CORP
Primary Class:
Other Classes:
338/285, 164/98, 338/230
International Classes:
H05B3/50; H05B3/42
US Patent References:
| 2725453 | Heating apparatus |
Foreign References:
| GB581912A | ||||
| GB720939A |