Title:
IGNITION PLUG AND METHOD FOR MANUFACTURING A CENTER ELECTRODE FOR THE SAME
United States Patent 3548472
Inventors:
Urushiwara, Hisashi
Morino, Hiroshi
Suzuki, Misao
Publication Date:
12/22/1970
Export Citation:
Click for automatic bibliography generation
Assignee:
HITACHI LTD
Primary Class:
445/7
Other Classes:
313/136, 313/141, 313/144
International Classes:
H01T21/02; H01T21/00; (IPC1-7): H01T13/00
View Patent Images:
Download PDF 3548472        PDF help
US Patent References:
3452235SPARK PLUG HAVING A SHORT TIP CENTER ELECTRODE
3356882Spark plug having the center electrode sheath with a nickel alloy
2717438Spark plug with auxiliary gap
2542903Spark plug and method of making same
2449403Spark plug electrode
2415138Spark plug
2360287Method of making spark plugs
2321840Spark plug and method of making same
2296033Spark plug
2208030Spark plug
1488526Spark plug




<- Previous Patent (GEM POSITION FIXING ...)   |   Next Patent (POCKET-TYPE CUTTING ...) ->